403 lines
62 KiB
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403 lines
62 KiB
XML
<document id="3DAF928185881981339FB6F057303F8E" ID-CLB-Dataset="7102" ID-DOI="10.11646/zootaxa.4939.1.1" ID-GBIF-Dataset="ee8e66ff-2f2c-47e2-978b-be52996d5b0f" ID-ISSN="1175-5326" ID-Zenodo-Dep="4580622" ID-ZooBank="F33F42D0-A139-4CE3-97D7-1314C12CF86B" IM.bibliography_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1614842897337" checkinUser="plazi" docAuthor="Conlan, Kathleen E., Desiderato, Andrea & Beermann, Jan" docDate="2021" docId="03B487DAFFE5D94EC9C81B86FD6EFC30" docLanguage="en" docName="zootaxa.4939.1.1.pdf" docOrigin="Zootaxa 4939 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Jassa falcata Uropod" docType="treatment" docVersion="11" lastPageNumber="87" masterDocId="FF8DFFA2FFB5D918C95F1B11FFF4FFF9" masterDocTitle="Jassa (Crustacea: Amphipoda): a new morphological and molecular assessment of the genus" masterLastPageNumber="191" masterPageNumber="1" pageNumber="81" updateTime="1698932378003" updateUser="ExternalLinkService">
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<mods:title id="E2F822510463A5AA6868BA94A7A9F756">Jassa (Crustacea: Amphipoda): a new morphological and molecular assessment of the genus</mods:title>
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<mods:namePart id="CCCC834DEC5A6D780493ACD90F8905C0">Conlan, Kathleen E.</mods:namePart>
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<mods:nameIdentifier id="BB45B0EEED93E1614B73CDECD75A016A" type="email">kconlan@nature.ca</mods:nameIdentifier>
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<mods:namePart id="12D23E08054AC12B8BEB1DDA93AE6EF7">Desiderato, Andrea</mods:namePart>
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<mods:namePart id="1503EADDBDEDA753311D96201432CB93">Beermann, Jan</mods:namePart>
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<mods:nameIdentifier id="428E1BF208E78F6D6173BD228ECF14BD" type="email">kconlan@nature.ca</mods:nameIdentifier>
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<mods:title id="C7E89FD4F69F9D444FC182E1E231897F">Zootaxa</mods:title>
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<mods:date id="0AADB938E10AE33CB312B67521291222">2021</mods:date>
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<mods:number id="FC615367004FAEB3A43016B1ACA348CD">2021-03-04</mods:number>
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<mods:number id="7A7F7AAC687344E4786CA0A3BD3D0CA2">4939</mods:number>
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<treatment id="03B487DAFFE5D94EC9C81B86FD6EFC30" ID-DOI="http://doi.org/10.5281/zenodo.4580568" ID-GBIF-Taxon="181871895" ID-Zenodo-Dep="4580568" LSID="urn:lsid:plazi:treatment:03B487DAFFE5D94EC9C81B86FD6EFC30" httpUri="http://treatment.plazi.org/id/03B487DAFFE5D94EC9C81B86FD6EFC30" lastPageId="86" lastPageNumber="87" pageId="80" pageNumber="81">
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<subSubSection id="C3076547FFE5D948C9C81B86FE61FF2C" pageId="80" pageNumber="81" type="nomenclature">
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<paragraph id="8BA236CCFFE5D948C9C81B86FDFEFF48" blockId="80.[151,522,151,213]" box="[151,522,151,178]" pageId="80" pageNumber="81">
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<heading id="D0EA81A0FFE5D948C9C81B86FDFEFF48" bold="true" box="[151,522,151,178]" fontSize="11" level="2" pageId="80" pageNumber="81" reason="4">
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<taxonomicName id="4C1D4D4FFFE5D948C9C81B86FDFEFF48" ID-CoL="3QMZF" authority="(Montagu, 1808)" authorityName="Uropod" baseAuthorityName="Montagu" baseAuthorityYear="1808" box="[151,522,151,178]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="80" pageNumber="81" phylum="Arthropoda" rank="species" species="falcata">
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<emphasis id="B969EADEFFE5D948C9C81B86FDFEFF48" bold="true" box="[151,522,151,178]" pageId="80" pageNumber="81">
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<emphasis id="B969EADEFFE5D948C9C81B86FEC0FF4B" bold="true" box="[151,308,151,178]" italics="true" pageId="80" pageNumber="81">Jassafalcata</emphasis>
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(
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<bibRefCitation id="EF8C4B3DFFE5D948C81B1B86FDF6FF48" author="Montagu, G." box="[324,514,151,177]" pageId="80" pageNumber="81" pagination="81 - 114" refId="ref100606" refString="Montagu, G. (1808) Description of several marine animals found on the south coast of Devonshire. Transactions of the Linnean Society of London, 9, 81 - 114. https: // doi. org / 10.1111 / j. 1096 - 3642.1818. tb 00327. x" type="journal article" year="1808">Montagu, 1808</bibRefCitation>
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)
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="8BA236CCFFE5D948C9C81BAAFE61FF2C" blockId="80.[151,522,151,213]" box="[151,405,187,213]" pageId="80" pageNumber="81">
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(
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<tableCitation id="C69F0377FFE5D948C9C01BAAFEF6FF2C" box="[159,258,187,213]" captionStart="TABLE 11" captionStartId="73.[151,239,225,249]" captionTargetPageId="73" captionText="TABLE 11. Key character states of locally distributed North Atlantic species. Trans-hemispheric species (Table 10) may occur there as well. X indicates the presence of the first character state described while — indicates the alternative character state given in italics. S and L indicate length.? indicates that the state is unknown. Character states apply to both sexes and juveniles unless indicated otherwise." httpUri="http://table.plazi.org/id/DF626644FFFCD951C9C81BF0FD79FE9C" pageId="80" pageNumber="81" tableUuid="DF626644FFFCD951C9C81BF0FD79FE9C">Table 11</tableCitation>
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,
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<figureCitation id="13262A49FFE5D948C8511BAAFE79FF2C" box="[270,397,187,213]" captionStart-0="FIGURE 42" captionStart-1="FIGURE 43" captionStart-2="FIGURE 44" captionStart-3="FIGURE 45" captionStart-4="FIGURE 46" captionStart-5="FIGURE 47" captionStartId-0="80.[151,250,1937,1961]" captionStartId-1="81.[151,250,1786,1810]" captionStartId-2="82.[151,250,1172,1196]" captionStartId-3="83.[151,250,1796,1820]" captionStartId-4="84.[151,250,1710,1734]" captionStartId-5="85.[151,250,1868,1892]" captionTargetBox-0="[187,1411,814,1905]" captionTargetBox-1="[183,1401,194,1759]" captionTargetBox-2="[175,1411,181,1141]" captionTargetBox-3="[196,1387,189,1761]" captionTargetBox-4="[168,1423,191,1679]" captionTargetBox-5="[159,1436,192,1839]" captionTargetId-0="figure-188@80.[177,1411,808,1913]" captionTargetId-1="figure-18@81.[183,1405,181,1762]" captionTargetId-2="figure-22@82.[170,1417,181,1148]" captionTargetId-3="figure-18@83.[184,1404,181,1773]" captionTargetId-4="figure-22@84.[151,1436,181,1686]" captionTargetId-5="figure-18@85.[151,1436,181,1844]" captionTargetPageId-0="80" captionTargetPageId-1="81" captionTargetPageId-2="82" captionTargetPageId-3="83" captionTargetPageId-4="84" captionTargetPageId-5="85" captionText-0="FIGURE 42. Jassa falcata (Montagu, 1808), type species for the genus Jassa. Holotype, adult male, minor form, 6.3 mm. Torcross, South Devon, England, date unknown, collector unknown, NHM 603a. Lateral views: whole body and right uropods 1-3; dorsal view: telson; other views medial. Scale 0.1 mm. Illustration after Conlan (1990)." captionText-1="FIGURE 43. Jassa falcata (Montagu, 1808). Adult male, major form, 5.7 mm, lectotype for the series 296a-296g of Jassa pulchella Leach, 1814. Devon, England, date unknown, collector unknown, NHM 296e. The tip of the thumb on gnathopod 2 was probably damaged while the animal was alive; other damage was probably incurred while it was dry mounted. Adult male 1, major form, 11.0 mm; juvenile male 2, 7.0 mm; adult male 3, major form, 6.5 mm; juvenile male 4, 4.5 mm; and adult female, 7.0 mm. Stoer Bay, Sutherland, Scotland, 22 October 1937, D. M. Reid, coll., very abundant on the floats of coastal salmon nets (SNM). Lateral view: whole body; other views medial. Appendages are of the lectotype unless indicated otherwise. Scale 0.1 mm. Illustration after Conlan (1990)." captionText-2="FIGURE 44. Jassa falcata (Montagu, 1808). Adult male 1, major form, 11.0 mm; juvenile male 2, 7.0 mm; adult male 3, major form, 6.5 mm; juvenile male 4, 4.5 mm; and adult female, 7.0 mm. Stoer Bay, Sutherland, Scotland, 22 October 1937, D. M. Reid, coll., very abundant on the floats of coastal salmon nets (SNM). Developing new cuticle is visible inside the propodus and dactyl of the juvenile male 2 gnathopod 2, not yet at the terminal molt as the new cuticle lacks a thumb. All views medial. Scale 0.1 mm." captionText-3="FIGURE 45. Jassa falcata (Montagu, 1808). Variation in thumb length relative to body length in males in a single collection at Audrassalas, Pas-de-Calais, France, 1 July 1985, K. E. Conlan, coll., in tubes and and actively walking over Ceramium rubrum (mainly) and Polysiphonia, even though out of contact with seawater at low tide, IZ 1985-093 (CMN). Arrows refer to the associated gnathopod illustrations. The subadult male had a thumb visible inside the cuticle, indicating that it would molt next into a thumbed adult. Setae omitted except for those around the thumb and spines in order to landmark position changes with growth. All views lateral. Scale 0.1 mm. Linear regression assumptions passed for the adult major form male. Linear regression statistics: Major form, thumb length = -1.219 + 0.281 body length, r2 = 0.773, n = 38. Illustration after Conlan (1990)." captionText-4="FIGURE 46. Jassa falcata (Montagu, 1808). Variation in gnathopod 2 propodus length and pereopod 3 basis width in males and females from a population at Audrassalas, Pas-de-Calais, France (1 July 1985, K. E. Conlan, coll., in tubes and and actively walking over Ceramium rubrum (mainly) and Polysiphonia, even though out of contact with seawater at low tide, IZ 1985-093 (CMN). Linear regression assumptions passed for the juvenile male. Linear regression statistics: juvenile male, propodus length = -0.152 + 0.126 x body length, r2 = 0.916, n = 13." captionText-5="FIGURE 47. Jassa falcata (Montagu, 1808). Holotype, adult male, minor form, 6.3 mm. Mouthparts. Frontal view: upper lip; lateral views: maxilla 1; other views medial. Scale 0.1 mm. Illustration after Conlan (1990)." figureDoi-0="http://doi.org/10.5281/zenodo.4580740" figureDoi-1="http://doi.org/10.5281/zenodo.4580744" figureDoi-2="http://doi.org/10.5281/zenodo.4580746" figureDoi-3="http://doi.org/10.5281/zenodo.4580749" figureDoi-4="http://doi.org/10.5281/zenodo.4580751" figureDoi-5="http://doi.org/10.5281/zenodo.4580753" httpUri-0="https://zenodo.org/record/4580740/files/figure.png" httpUri-1="https://zenodo.org/record/4580744/files/figure.png" httpUri-2="https://zenodo.org/record/4580746/files/figure.png" httpUri-3="https://zenodo.org/record/4580749/files/figure.png" httpUri-4="https://zenodo.org/record/4580751/files/figure.png" httpUri-5="https://zenodo.org/record/4580753/files/figure.png" pageId="80" pageNumber="81">Figs 42–47</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C3076547FFE5D948C9C81A11FE24FEE1" box="[151,464,256,280]" pageId="80" pageNumber="81" type="description">
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<paragraph id="8BA236CCFFE5D948C9C81A11FE24FEE1" blockId="80.[151,464,256,280]" box="[151,464,256,280]" pageId="80" pageNumber="81">
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Synonyms: see
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<bibRefCitation id="EF8C4B3DFFE5D948C8691A11FE39FEE1" author="Conlan, K. E." box="[310,461,256,280]" pageId="80" pageNumber="81" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan (1990)</bibRefCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C3076547FFE5D94EC9C81A54FD3EFEB8" lastPageId="86" lastPageNumber="87" pageId="80" pageNumber="81" type="diagnosis">
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<paragraph id="8BA236CCFFE5D948C9C81A54FEE6FEA6" blockId="80.[151,1436,325,784]" box="[151,274,325,351]" pageId="80" pageNumber="81">
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<emphasis id="B969EADEFFE5D948C9C81A54FEE6FEA6" bold="true" box="[151,274,325,351]" pageId="80" pageNumber="81">Diagnosis.</emphasis>
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</paragraph>
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<paragraph id="8BA236CCFFE5D948C9981A7BFEBAFE7D" blockId="80.[151,1436,325,784]" box="[199,334,362,388]" pageId="80" pageNumber="81">
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<emphasis id="B969EADEFFE5D948C9981A7BFEBAFE7D" bold="true" box="[199,334,362,388]" pageId="80" pageNumber="81">Both sexes:</emphasis>
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</paragraph>
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<paragraph id="8BA236CCFFE5D948C9981A9FFC67FE51" blockId="80.[151,1436,325,784]" box="[199,915,398,424]" pageId="80" pageNumber="81">
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<emphasis id="B969EADEFFE5D948C9981A9FFE72FE51" box="[199,390,398,424]" italics="true" pageId="80" pageNumber="81">Mandibular palp</emphasis>
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: article 2, dorsal margin witha fringe of setae.
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</paragraph>
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<paragraph id="8BA236CCFFE5D948C9981AA3FC19FE35" blockId="80.[151,1436,325,784]" box="[199,1005,434,460]" pageId="80" pageNumber="81">
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<emphasis id="B969EADEFFE5D948C9981AA3FEC7FE35" box="[199,307,434,460]" italics="true" pageId="80" pageNumber="81">Maxilla 1</emphasis>
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: without a seta or setal cluster at the base of the palp article 1.
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</paragraph>
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<paragraph id="8BA236CCFFE5D948C9981AC7FD4AFDED" blockId="80.[151,1436,325,784]" pageId="80" pageNumber="81">
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<emphasis id="B969EADEFFE5D948C9981AC7FEAEFE09" box="[199,346,470,496]" italics="true" pageId="80" pageNumber="81">Gnathopod 1</emphasis>
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: basis, anterolateral margin with a few very short setae; carpus without a single or small cluster of setae at the anterodistal junction of the propodus.
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</paragraph>
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<paragraph id="8BA236CCFFE5D948C998190FFECAFD78" blockId="80.[151,1436,325,784]" pageId="80" pageNumber="81">
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<emphasis id="B969EADEFFE5D948C998190FFEAFFDC1" box="[199,347,542,568]" italics="true" pageId="80" pageNumber="81">Gnathopod 2</emphasis>
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: basis with a few minute setae along the anterolateral margin but without long filter setae (setal lengths <20% of the basis width); carpus and propodus, setae on the anterior margin short and simple (setal length <basis width).
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</paragraph>
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<paragraph id="8BA236CCFFE5D948C998199BFD09FD5D" blockId="80.[151,1436,325,784]" box="[199,765,650,676]" pageId="80" pageNumber="81">
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<emphasis id="B969EADEFFE5D948C998199BFE9BFD5D" box="[199,367,650,676]" italics="true" pageId="80" pageNumber="81">Pereopods 5–7</emphasis>
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: propodus not expanded anteriorly.
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</paragraph>
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<paragraph id="8BA236CCFFE5D948C99819BFFB59FD31" blockId="80.[151,1436,325,784]" box="[199,1197,686,712]" pageId="80" pageNumber="81">
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<emphasis id="B969EADEFFE5D948C99819BFFEC6FD31" box="[199,306,686,712]" italics="true" pageId="80" pageNumber="81">Uropod 1</emphasis>
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: ventral peduncular spinous process underlying about 1/2 of the longest ramus.
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</paragraph>
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<paragraph id="8BA236CCFFE5D948C99819C3FB0CFD15" blockId="80.[151,1436,325,784]" box="[199,1272,722,748]" pageId="80" pageNumber="81">
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<emphasis id="B969EADEFFE5D948C99819C3FEC6FD15" box="[199,306,722,748]" italics="true" pageId="80" pageNumber="81">Uropod 3</emphasis>
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: inner ramus with 1–2 spines mid-dorsally in addition to the usual single apical spine.
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</paragraph>
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<paragraph id="8BA236CCFFE5D948C99819E7FB99FCE9" blockId="80.[151,1436,325,784]" box="[199,1133,758,784]" pageId="80" pageNumber="81">
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<emphasis id="B969EADEFFE5D948C99819E7FEFBFCE9" box="[199,271,758,784]" italics="true" pageId="80" pageNumber="81">Telson</emphasis>
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: tip without apical setae, only the usual short setae at each dorsolateral cusp.
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</paragraph>
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<caption id="DF626644FFE5D948C9C81C80FBF9F808" ID-DOI="http://doi.org/10.5281/zenodo.4580740" ID-Zenodo-Dep="4580740" httpUri="https://zenodo.org/record/4580740/files/figure.png" pageId="80" pageNumber="81" startId="80.[151,250,1937,1961]" targetBox="[187,1411,814,1905]" targetPageId="80">
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<paragraph id="8BA236CCFFE5D948C9C81C80FBF9F808" blockId="80.[151,1436,1937,2033]" pageId="80" pageNumber="81">
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<emphasis id="B969EADEFFE5D948C9C81C80FED4F850" bold="true" box="[151,288,1937,1961]" pageId="80" pageNumber="81">FIGURE 42.</emphasis>
|
||
<taxonomicName id="4C1D4D4FFFE5D948C87A1C83FDAAF850" authority="(Montagu, 1808)" authorityName="Uropod" baseAuthorityName="Montagu" baseAuthorityYear="1808" box="[293,606,1937,1961]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="80" pageNumber="81" phylum="Arthropoda" rank="species" species="falcata">
|
||
<emphasis id="B969EADEFFE5D948C87A1C83FE5EF850" box="[293,426,1937,1961]" italics="true" pageId="80" pageNumber="81">Jassa falcata</emphasis>
|
||
(
|
||
<bibRefCitation id="EF8C4B3DFFE5D948C8E81C80FDA3F850" author="Montagu, G." box="[439,599,1937,1961]" pageId="80" pageNumber="81" pagination="81 - 114" refId="ref100606" refString="Montagu, G. (1808) Description of several marine animals found on the south coast of Devonshire. Transactions of the Linnean Society of London, 9, 81 - 114. https: // doi. org / 10.1111 / j. 1096 - 3642.1818. tb 00327. x" type="journal article" year="1808">Montagu, 1808</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
, type species forthe genus
|
||
<taxonomicName id="4C1D4D4FFFE5D948CA2C1C83FC5FF850" authorityName="Leach" authorityYear="1814" box="[883,939,1938,1961]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="80" pageNumber="81" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B969EADEFFE5D948CA2C1C83FC5FF850" box="[883,939,1938,1961]" italics="true" pageId="80" pageNumber="81">Jassa</emphasis>
|
||
</taxonomicName>
|
||
. Holotype, adult male, minor form, 6.3 mm. Torcross, South Devon, England, date unknown, collector unknown, NHM 603a. Lateral views: whole body and right uropods 1-3; dorsal view: telson; other views medial. Scale 0.1 mm. Illustration after
|
||
<bibRefCitation id="EF8C4B3DFFE5D948CA2C1CC8FBFDF808" author="Conlan, K. E." box="[883,1033,2009,2033]" pageId="80" pageNumber="81" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan (1990)</bibRefCitation>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF626644FFE4D949C9C81DEBFDE4F812" ID-DOI="http://doi.org/10.5281/zenodo.4580744" ID-Zenodo-Dep="4580744" httpUri="https://zenodo.org/record/4580744/files/figure.png" pageId="81" pageNumber="82" startId="81.[151,250,1786,1810]" targetBox="[183,1401,194,1759]" targetPageId="81">
|
||
<paragraph id="8BA236CCFFE4D949C9C81DEBFDE4F812" blockId="81.[151,1437,1786,2027]" pageId="81" pageNumber="82">
|
||
<emphasis id="B969EADEFFE4D949C9C81DEBFED6F8EB" bold="true" box="[151,290,1786,1810]" pageId="81" pageNumber="82">FIGURE 43.</emphasis>
|
||
<taxonomicName id="4C1D4D4FFFE4D949C8741DEAFD98F8EA" authority="(Montagu, 1808)" authorityName="Uropod" baseAuthorityName="Montagu" baseAuthorityYear="1808" box="[299,620,1786,1811]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="81" pageNumber="82" phylum="Arthropoda" rank="species" species="falcata">
|
||
<emphasis id="B969EADEFFE4D949C8741DEAFE46F8EB" box="[299,434,1786,1810]" italics="true" pageId="81" pageNumber="82">Jassa falcata</emphasis>
|
||
(
|
||
<bibRefCitation id="EF8C4B3DFFE4D949C89D1DEAFD91F8EA" author="Montagu, G." box="[450,613,1787,1811]" pageId="81" pageNumber="82" pagination="81 - 114" refId="ref100606" refString="Montagu, G. (1808) Description of several marine animals found on the south coast of Devonshire. Transactions of the Linnean Society of London, 9, 81 - 114. https: // doi. org / 10.1111 / j. 1096 - 3642.1818. tb 00327. x" type="journal article" year="1808">Montagu, 1808</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
. Adult male, major form, 5.7 mm, lectotype forthe series 296a-296g of
|
||
<taxonomicName id="4C1D4D4FFFE4D949CC3B1DEAFE8AF8CE" authority="Leach, 1814" authorityName="Leach" authorityYear="1814" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="81" pageNumber="82" phylum="Arthropoda" rank="species" species="pulchella">
|
||
<emphasis id="B969EADEFFE4D949CC3B1DEAFF01F8CF" italics="true" pageId="81" pageNumber="82">Jassa pulchella</emphasis>
|
||
<bibRefCitation id="EF8C4B3DFFE4D949C9A31C0FFE8AF8CE" author="Leach, W. E." box="[252,382,1822,1847]" pageId="81" pageNumber="82" pagination="402 - 404" refId="ref98420" refString="Leach, W. E. (1814) Crustaceology. The Edinburgh Encyclopedia, 7, 402 - 404." type="journal article" year="1814">Leach, 1814</bibRefCitation>
|
||
</taxonomicName>
|
||
. Devon, England, date unknown, collector unknown, NHM 296e. The tip of the thumb on gnathopod 2 was probably damaged while the animal was alive; other damage was probably incurred while it was dry mounted. Adult male 1, major form, 11.0 mm; juvenile male 2, 7.0 mm; adult male 3, major form, 6.5 mm; juvenile male 4, 4.5 mm; and adult female, 7.0 mm. Stoer Bay, Sutherland, Scotland, 22 October 1937, D. M. Reid, coll., very abundant on the floats of coastal salmon nets (SNM). Lateral view: whole body; other views medial. Appendages are of the lectotype unless indicated otherwise. Scale 0.1 mm. Illustration after
|
||
<bibRefCitation id="EF8C4B3DFFE4D949C8291CC3FDF8F812" author="Conlan, K. E." box="[374,524,2002,2027]" pageId="81" pageNumber="82" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan (1990)</bibRefCitation>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF626644FFE7D94AC9C81F85FEDDFAC5" ID-DOI="http://doi.org/10.5281/zenodo.4580746" ID-Zenodo-Dep="4580746" httpUri="https://zenodo.org/record/4580746/files/figure.png" pageId="82" pageNumber="83" startId="82.[151,250,1172,1196]" targetBox="[175,1411,181,1141]" targetPageId="82">
|
||
<paragraph id="8BA236CCFFE7D94AC9C81F85FEDDFAC5" blockId="82.[151,1437,1172,1341]" pageId="82" pageNumber="83">
|
||
<emphasis id="B969EADEFFE7D94AC9C81F85FEEBFB54" bold="true" box="[151,287,1172,1197]" pageId="82" pageNumber="83">FIGURE 44.</emphasis>
|
||
<taxonomicName id="4C1D4D4FFFE7D94AC87A1F84FDAAFB54" authority="(Montagu, 1808)" authorityName="Uropod" baseAuthorityName="Montagu" baseAuthorityYear="1808" box="[293,606,1173,1197]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="82" pageNumber="83" phylum="Arthropoda" rank="species" species="falcata">
|
||
<emphasis id="B969EADEFFE7D94AC87A1F84FE5DFB54" box="[293,425,1173,1197]" italics="true" pageId="82" pageNumber="83">Jassa falcata</emphasis>
|
||
(
|
||
<bibRefCitation id="EF8C4B3DFFE7D94AC8E91F84FDA2FB54" author="Montagu, G." box="[438,598,1173,1197]" pageId="82" pageNumber="83" pagination="81 - 114" refId="ref100606" refString="Montagu, G. (1808) Description of several marine animals found on the south coast of Devonshire. Transactions of the Linnean Society of London, 9, 81 - 114. https: // doi. org / 10.1111 / j. 1096 - 3642.1818. tb 00327. x" type="journal article" year="1808">Montagu, 1808</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
. Adult male 1, major form, 11.0 mm; juvenile male 2, 7.0 mm; adult male 3, major form, 6.5 mm; juvenile male 4, 4.5 mm; and adult female, 7.0 mm. Stoer Bay, Sutherland, Scotland, 22 October 1937, D. M. Reid, coll., very abundant on the floats of coastal salmon nets (SNM). Developing new cuticle is visible inside the propodus and dactyl of the juvenile male 2 gnathopod 2, not yet at the terminal molt as the new cuticle lacks a thumb. All views medial. Scale 0.1 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BA236CCFFE7D94AC9981E7AFE72FA7C" blockId="82.[151,1437,1387,2025]" box="[199,390,1387,1413]" pageId="82" pageNumber="83">
|
||
<emphasis id="B969EADEFFE7D94AC9981E7AFE72FA7C" bold="true" box="[199,390,1387,1413]" pageId="82" pageNumber="83">Thumbed male:</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8BA236CCFFE7D94AC9981E9EFC0EFA53" blockId="82.[151,1437,1387,2025]" box="[199,1018,1423,1450]" pageId="82" pageNumber="83">
|
||
<emphasis id="B969EADEFFE7D94AC9981E9EFECEFA50" box="[199,314,1423,1449]" italics="true" pageId="82" pageNumber="83">Antenna 2</emphasis>
|
||
: with plumose setae on the flagellum and peduncular article 5.
|
||
</paragraph>
|
||
<paragraph id="8BA236CCFFE7D94AC9981EA2FE78F9EC" blockId="82.[151,1437,1387,2025]" pageId="82" pageNumber="83">
|
||
<emphasis id="B969EADEFFE7D94AC9981EA2FEAEFA34" box="[199,346,1459,1485]" italics="true" pageId="82" pageNumber="83">Gnathopod 2</emphasis>
|
||
: propodus, palmar defining spines absent except in small males. Thumb distally acute or squared in minor males and squared in major males. Dactyl centrally toothed in minor forms and shallowly expanded proximally in major forms.
|
||
</paragraph>
|
||
<paragraph id="8BA236CCFFE7D94AC9981D0EFE9FF9C0" blockId="82.[151,1437,1387,2025]" box="[199,363,1567,1593]" pageId="82" pageNumber="83">
|
||
<emphasis id="B969EADEFFE7D94AC9981D0EFE9FF9C0" bold="true" box="[199,363,1567,1593]" pageId="82" pageNumber="83">Adult female:</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8BA236CCFFE7D94AC9981D52FC1DF9A7" blockId="82.[151,1437,1387,2025]" box="[199,1001,1603,1630]" pageId="82" pageNumber="83">
|
||
<emphasis id="B969EADEFFE7D94AC9981D52FECCF9A4" box="[199,312,1603,1629]" italics="true" pageId="82" pageNumber="83">Antenna 2</emphasis>
|
||
: with plumose setae on the flagellum and peduncular article 5.
|
||
</paragraph>
|
||
<paragraph id="8BA236CCFFE7D94AC9981D76FEF9F95C" blockId="82.[151,1437,1387,2025]" pageId="82" pageNumber="83">
|
||
<emphasis id="B969EADEFFE7D94AC9981D76FEACF978" box="[199,344,1639,1665]" italics="true" pageId="82" pageNumber="83">Gnathopod 2</emphasis>
|
||
: propodus, palm concave, palmar defining angle bulbous, distal to and fairly distant from the defining spines.
|
||
</paragraph>
|
||
<paragraph id="8BA236CCFFE7D94AC9981DBEFF26F810" blockId="82.[151,1437,1387,2025]" pageId="82" pageNumber="83">
|
||
The basis of pereopod 3, which holds the tube spinning gland, was also measured as the width appeared to be greater in the females and juvenile males than in the adult males (
|
||
<figureCitation id="13262A49FFE7D94ACA231DC2FC2BF917" box="[892,991,1747,1774]" captionStart="FIGURE 46" captionStartId="84.[151,250,1710,1734]" captionTargetBox="[168,1423,191,1679]" captionTargetId="figure-22@84.[151,1436,181,1686]" captionTargetPageId="84" captionText="FIGURE 46. Jassa falcata (Montagu, 1808). Variation in gnathopod 2 propodus length and pereopod 3 basis width in males and females from a population at Audrassalas, Pas-de-Calais, France (1 July 1985, K. E. Conlan, coll., in tubes and and actively walking over Ceramium rubrum (mainly) and Polysiphonia, even though out of contact with seawater at low tide, IZ 1985-093 (CMN). Linear regression assumptions passed for the juvenile male. Linear regression statistics: juvenile male, propodus length = -0.152 + 0.126 x body length, r2 = 0.916, n = 13." figureDoi="http://doi.org/10.5281/zenodo.4580751" httpUri="https://zenodo.org/record/4580751/files/figure.png" pageId="82" pageNumber="83">Fig. 46b</figureCitation>
|
||
). Basis width was measured at the widest part of the basis which tended to be in the central part. The same individuals as for Gn2 propodus length were measured, with the addition of 6 additional adult males for which propodus length was lacking.
|
||
<figureCitation id="13262A49FFE7D94ACD881C0AFAC2F8CC" box="[1239,1334,1819,1845]" captionStart="FIGURE 46" captionStartId="84.[151,250,1710,1734]" captionTargetBox="[168,1423,191,1679]" captionTargetId="figure-22@84.[151,1436,181,1686]" captionTargetPageId="84" captionText="FIGURE 46. Jassa falcata (Montagu, 1808). Variation in gnathopod 2 propodus length and pereopod 3 basis width in males and females from a population at Audrassalas, Pas-de-Calais, France (1 July 1985, K. E. Conlan, coll., in tubes and and actively walking over Ceramium rubrum (mainly) and Polysiphonia, even though out of contact with seawater at low tide, IZ 1985-093 (CMN). Linear regression assumptions passed for the juvenile male. Linear regression statistics: juvenile male, propodus length = -0.152 + 0.126 x body length, r2 = 0.916, n = 13." figureDoi="http://doi.org/10.5281/zenodo.4580751" httpUri="https://zenodo.org/record/4580751/files/figure.png" pageId="82" pageNumber="83">Fig. 46b</figureCitation>
|
||
suggests that basis width was greater in the females and juvenile males (which included one subadult male) than in the adult males. Pairwise comparisons by Dunn’s Method showed a significant difference between major form adult males (
|
||
<emphasis id="B969EADEFFE7D94AC9FE1C99FF5BF858" box="[161,175,1928,1953]" italics="true" pageId="82" pageNumber="83">n</emphasis>
|
||
= 20) and juvenile males (
|
||
<emphasis id="B969EADEFFE7D94AC8831C99FE1EF858" box="[476,490,1928,1953]" italics="true" pageId="82" pageNumber="83">n</emphasis>
|
||
= 8) (
|
||
<emphasis id="B969EADEFFE7D94ACB6E1C96FDB1F858" box="[561,581,1927,1953]" italics="true" pageId="82" pageNumber="83">Q</emphasis>
|
||
= 2.905, p<0.05). Differences of adult females from both adult and juvenile males were not significant (
|
||
<emphasis id="B969EADEFFE7D94AC8871CBAFE18F83C" box="[472,492,1963,1989]" italics="true" pageId="82" pageNumber="83">Q</emphasis>
|
||
= 1.913 and 0.454, respectively), although
|
||
<figureCitation id="13262A49FFE7D94ACAB91CBAFBB2F83C" box="[998,1094,1963,1989]" captionStart="FIGURE 46" captionStartId="84.[151,250,1710,1734]" captionTargetBox="[168,1423,191,1679]" captionTargetId="figure-22@84.[151,1436,181,1686]" captionTargetPageId="84" captionText="FIGURE 46. Jassa falcata (Montagu, 1808). Variation in gnathopod 2 propodus length and pereopod 3 basis width in males and females from a population at Audrassalas, Pas-de-Calais, France (1 July 1985, K. E. Conlan, coll., in tubes and and actively walking over Ceramium rubrum (mainly) and Polysiphonia, even though out of contact with seawater at low tide, IZ 1985-093 (CMN). Linear regression assumptions passed for the juvenile male. Linear regression statistics: juvenile male, propodus length = -0.152 + 0.126 x body length, r2 = 0.916, n = 13." figureDoi="http://doi.org/10.5281/zenodo.4580751" httpUri="https://zenodo.org/record/4580751/files/figure.png" pageId="82" pageNumber="83">Fig. 46b</figureCitation>
|
||
suggests a transitional difference.
|
||
</paragraph>
|
||
<caption id="DF626644FFE6D94BC9C81C15FAB0F80C" ID-DOI="http://doi.org/10.5281/zenodo.4580749" ID-Zenodo-Dep="4580749" httpUri="https://zenodo.org/record/4580749/files/figure.png" pageId="83" pageNumber="84" startId="83.[151,250,1796,1820]" targetBox="[196,1387,189,1761]" targetPageId="83">
|
||
<paragraph id="8BA236CCFFE6D94BC9C81C15FAB0F80C" blockId="83.[151,1437,1796,2037]" pageId="83" pageNumber="84">
|
||
<emphasis id="B969EADEFFE6D94BC9C81C15FED4F8E4" bold="true" box="[151,288,1796,1821]" pageId="83" pageNumber="84">FIGURE 45.</emphasis>
|
||
<taxonomicName id="4C1D4D4FFFE6D94BC87A1C14FDAAF8E4" authority="(Montagu, 1808)" authorityName="Uropod" baseAuthorityName="Montagu" baseAuthorityYear="1808" box="[293,606,1797,1821]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="83" pageNumber="84" phylum="Arthropoda" rank="species" species="falcata">
|
||
<emphasis id="B969EADEFFE6D94BC87A1C14FE5DF8E4" box="[293,425,1797,1821]" italics="true" pageId="83" pageNumber="84">Jassa falcata</emphasis>
|
||
(
|
||
<bibRefCitation id="EF8C4B3DFFE6D94BC8E81C14FDA3F8E4" author="Montagu, G." box="[439,599,1797,1821]" pageId="83" pageNumber="84" pagination="81 - 114" refId="ref100606" refString="Montagu, G. (1808) Description of several marine animals found on the south coast of Devonshire. Transactions of the Linnean Society of London, 9, 81 - 114. https: // doi. org / 10.1111 / j. 1096 - 3642.1818. tb 00327. x" type="journal article" year="1808">Montagu, 1808</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
. Variation in thumb length relative to body length in males in a single collection at Audrassalas, Pas-de-Calais, France, 1 July 1985, K. E. Conlan, coll., in tubes and and actively walking over
|
||
<taxonomicName id="4C1D4D4FFFE6D94BCD801C38FA68F8B8" box="[1247,1436,1833,1857]" class="Florideophyceae" family="Ceramiaceae" genus="Ceramium" higherTaxonomySource="CoL" kingdom="Plantae" order="Ceramiales" pageId="83" pageNumber="84" phylum="Rhodophyta" rank="species" species="rubrum">
|
||
<emphasis id="B969EADEFFE6D94BCD801C38FA68F8B8" box="[1247,1436,1833,1857]" italics="true" pageId="83" pageNumber="84">Ceramium rubrum</emphasis>
|
||
</taxonomicName>
|
||
(mainly) and
|
||
<taxonomicName id="4C1D4D4FFFE6D94BC87E1C5CFE53F89C" box="[289,423,1869,1893]" class="Anthozoa" family="Exocoelactinidae" genus="Polysiphonia" higherTaxonomySource="CoL" kingdom="Animalia" order="Actiniaria" pageId="83" pageNumber="84" phylum="Cnidaria" rank="genus">
|
||
<emphasis id="B969EADEFFE6D94BC87E1C5CFE53F89C" box="[289,423,1869,1893]" italics="true" pageId="83" pageNumber="84">Polysiphonia</emphasis>
|
||
</taxonomicName>
|
||
, even though out of contact with seawater at low tide, IZ 1985-093 (CMN). Arrows refer to the associated gnathopod illustrations. The subadult male had a thumb visible inside the cuticle, indicating that it would molt next into a thumbed adult. Setae omitted except for those around the thumb and spines in order to landmark position changes with growth. All views lateral. Scale 0.1 mm. Linear regression assumptions passed for the adult major form male. Linear regression statistics: Major form, thumb length = -1.219 + 0.281 body length,
|
||
<emphasis id="B969EADEFFE6D94BCA1F1CCCFCA5F813" box="[832,849,2012,2036]" italics="true" pageId="83" pageNumber="84">
|
||
r
|
||
<superScript id="7C689B84FFE6D94BCA151CCDFCA5F813" attach="left" box="[842,849,2012,2026]" fontSize="6" pageId="83" pageNumber="84">2</superScript>
|
||
</emphasis>
|
||
= 0.773,
|
||
<emphasis id="B969EADEFFE6D94BCAED1CCCFC4BF80D" box="[946,959,2013,2036]" italics="true" pageId="83" pageNumber="84">n</emphasis>
|
||
= 38. Illustration after
|
||
<bibRefCitation id="EF8C4B3DFFE6D94BCDF51CCCFAB4F80C" author="Conlan, K. E." box="[1194,1344,2013,2037]" pageId="83" pageNumber="84" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan (1990)</bibRefCitation>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF626644FFE1D94CC9C81DBFFD6DF8AF" ID-DOI="http://doi.org/10.5281/zenodo.4580751" ID-Zenodo-Dep="4580751" httpUri="https://zenodo.org/record/4580751/files/figure.png" pageId="84" pageNumber="85" startId="84.[151,250,1710,1734]" targetBox="[168,1423,191,1679]" targetPageId="84">
|
||
<paragraph id="8BA236CCFFE1D94CC9C81DBFFD6DF8AF" blockId="84.[151,1436,1710,1878]" pageId="84" pageNumber="85">
|
||
<emphasis id="B969EADEFFE1D94CC9C81DBFFED5F93F" bold="true" box="[151,289,1710,1734]" pageId="84" pageNumber="85">FIGURE 46.</emphasis>
|
||
<taxonomicName id="4C1D4D4FFFE1D94CC8761DBEFD93F93F" authority="(Montagu, 1808)" authorityName="Uropod" baseAuthorityName="Montagu" baseAuthorityYear="1808" box="[297,615,1710,1734]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="84" pageNumber="85" phylum="Arthropoda" rank="species" species="falcata">
|
||
<emphasis id="B969EADEFFE1D94CC8761DBEFE5AF93F" box="[297,430,1710,1734]" italics="true" pageId="84" pageNumber="85">Jassa falcata</emphasis>
|
||
(
|
||
<bibRefCitation id="EF8C4B3DFFE1D94CC8E21DBFFDABF93F" author="Montagu, G." box="[445,607,1710,1734]" pageId="84" pageNumber="85" pagination="81 - 114" refId="ref100606" refString="Montagu, G. (1808) Description of several marine animals found on the south coast of Devonshire. Transactions of the Linnean Society of London, 9, 81 - 114. https: // doi. org / 10.1111 / j. 1096 - 3642.1818. tb 00327. x" type="journal article" year="1808">Montagu, 1808</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
. Variation in gnathopod 2 propodus length and pereopod 3 basis width in males and females from a population at Audrassalas, Pas-de-Calais, France (1 July 1985, K. E. Conlan, coll., in tubes and and actively walking over
|
||
<taxonomicName id="4C1D4D4FFFE1D94CC87D1DE7FE2BF8F7" box="[290,479,1782,1806]" class="Florideophyceae" family="Ceramiaceae" genus="Ceramium" higherTaxonomySource="CoL" kingdom="Plantae" order="Ceramiales" pageId="84" pageNumber="85" phylum="Rhodophyta" rank="species" species="rubrum">
|
||
<emphasis id="B969EADEFFE1D94CC87D1DE7FE2BF8F7" box="[290,479,1782,1806]" italics="true" pageId="84" pageNumber="85">Ceramium rubrum</emphasis>
|
||
</taxonomicName>
|
||
(mainly) and
|
||
<taxonomicName id="4C1D4D4FFFE1D94CCB311DE7FD00F8F7" box="[622,756,1782,1806]" class="Anthozoa" family="Exocoelactinidae" genus="Polysiphonia" higherTaxonomySource="CoL" kingdom="Animalia" order="Actiniaria" pageId="84" pageNumber="85" phylum="Cnidaria" rank="genus">
|
||
<emphasis id="B969EADEFFE1D94CCB311DE7FD00F8F7" box="[622,756,1782,1806]" italics="true" pageId="84" pageNumber="85">Polysiphonia</emphasis>
|
||
</taxonomicName>
|
||
, even though out of contact with seawater at low tide, IZ 1985-093 (CMN). Linear regression assumptions passed for the juvenile male. Linear regression statistics: juvenile male, propodus length = -0.152 + 0.126 x body length,
|
||
<emphasis id="B969EADEFFE1D94CC8BF1C2EFE04F8B2" box="[480,496,1853,1878]" italics="true" pageId="84" pageNumber="85">
|
||
r
|
||
<superScript id="7C689B84FFE1D94CC8B61C2CFE04F8B2" attach="left" box="[489,496,1853,1867]" fontSize="6" pageId="84" pageNumber="85">2</superScript>
|
||
</emphasis>
|
||
= 0.916,
|
||
<emphasis id="B969EADEFFE1D94CCB0E1C2EFDAAF8AF" box="[593,606,1855,1878]" italics="true" pageId="84" pageNumber="85">n</emphasis>
|
||
= 13.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF626644FFE0D94DC9C81C5DFBCFF871" ID-DOI="http://doi.org/10.5281/zenodo.4580753" ID-Zenodo-Dep="4580753" httpUri="https://zenodo.org/record/4580753/files/figure.png" pageId="85" pageNumber="86" startId="85.[151,250,1868,1892]" targetBox="[159,1436,192,1839]" targetPageId="85">
|
||
<paragraph id="8BA236CCFFE0D94DC9C81C5DFBCFF871" blockId="85.[151,1436,1868,1928]" pageId="85" pageNumber="86">
|
||
<emphasis id="B969EADEFFE0D94DC9C81C5DFED4F89D" bold="true" box="[151,288,1868,1892]" pageId="85" pageNumber="86">FIGURE 47.</emphasis>
|
||
<taxonomicName id="4C1D4D4FFFE0D94DC8781C5CFD96F89D" authority="(Montagu, 1808)" authorityName="Uropod" baseAuthorityName="Montagu" baseAuthorityYear="1808" box="[295,610,1868,1892]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="85" pageNumber="86" phylum="Arthropoda" rank="species" species="falcata">
|
||
<emphasis id="B969EADEFFE0D94DC8781C5CFE5FF89D" box="[295,427,1868,1892]" italics="true" pageId="85" pageNumber="86">Jassafalcata</emphasis>
|
||
(
|
||
<bibRefCitation id="EF8C4B3DFFE0D94DC8E61C5DFDAEF89D" author="Montagu, G." box="[441,602,1868,1892]" pageId="85" pageNumber="86" pagination="81 - 114" refId="ref100606" refString="Montagu, G. (1808) Description of several marine animals found on the south coast of Devonshire. Transactions of the Linnean Society of London, 9, 81 - 114. https: // doi. org / 10.1111 / j. 1096 - 3642.1818. tb 00327. x" type="journal article" year="1808">Montagu, 1808</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
. Holotype, adult male, minor form, 6.3 mm. Mouthparts. Frontal view: upper lip; lateral views: maxilla 1; other views medial. Scale 0.1 mm. Illustration after
|
||
<bibRefCitation id="EF8C4B3DFFE0D94DCAFE1C61FBC3F871" author="Conlan, K. E." box="[929,1079,1904,1928]" pageId="85" pageNumber="86" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan (1990)</bibRefCitation>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BA236CCFFE3D94EC9981B86FD3EFEB8" blockId="86.[151,1437,151,969]" pageId="86" pageNumber="87">
|
||
Because of the large variation in male thumb morphology in
|
||
<taxonomicName id="4C1D4D4FFFE3D94ECA3A1B86FC56FF49" authorityName="Leach" authorityYear="1814" box="[869,930,151,176]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="86" pageNumber="87" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B969EADEFFE3D94ECA3A1B86FC56FF49" box="[869,930,151,176]" italics="true" pageId="86" pageNumber="87">Jassa</emphasis>
|
||
</taxonomicName>
|
||
as well as the synonymy of previously recognized species to
|
||
<taxonomicName id="4C1D4D4FFFE3D94EC8161BAAFE5AFF2C" authorityName="Uropod" baseAuthorityName="Montagu" baseAuthorityYear="1808" box="[329,430,187,213]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="86" pageNumber="87" phylum="Arthropoda" rank="species" species="falcata">
|
||
<emphasis id="B969EADEFFE3D94EC8161BAAFE5AFF2C" box="[329,430,187,213]" italics="true" pageId="86" pageNumber="87">J. falcata</emphasis>
|
||
</taxonomicName>
|
||
by
|
||
<bibRefCitation id="EF8C4B3DFFE3D94EC8891BAAFD28FF2C" author="Sexton, E. W. & Reid, D. M." box="[470,732,186,213]" pageId="86" pageNumber="87" pagination="29 - 91" refId="ref105015" refString="Sexton, E. W. & Reid, D. M. (1951) The life-history of the multiform species Jassa falcata (Montagu) (Crustacea Amphipoda) with a review of the bibliography of the species. Journal of the Linnean Society of London, Zoology, 42, 283, 29 - 91. https: // doi. org / 10.1111 / j. 1096 - 3642.1951. tb 01852. x" type="journal article" year="1951">Sexton and Reid (1951)</bibRefCitation>
|
||
, many references to
|
||
<taxonomicName id="4C1D4D4FFFE3D94ECAE31BAAFBD5FF2C" authorityName="Uropod" baseAuthorityName="Montagu" baseAuthorityYear="1808" box="[956,1057,187,213]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="86" pageNumber="87" phylum="Arthropoda" rank="species" species="falcata">
|
||
<emphasis id="B969EADEFFE3D94ECAE31BAAFBD5FF2C" box="[956,1057,187,213]" italics="true" pageId="86" pageNumber="87">J. falcata</emphasis>
|
||
</taxonomicName>
|
||
in the literature are mis-identifications.
|
||
<bibRefCitation id="EF8C4B3DFFE3D94EC9841BCEFE88FF00" author="Conlan, K. E." box="[219,380,223,249]" pageId="86" pageNumber="87" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan (1990)</bibRefCitation>
|
||
lists corrected identifications for those specimens that could be obtained. The specimens noted in
|
||
<bibRefCitation id="EF8C4B3DFFE3D94EC9EC1A12FE8DFEE4" author="Lobo, J. & Ferreira, M. S. & Antunes, I. C. & Teixeira, M. A. L. & Borges, L. M. S. & Sousa, R. & Gomes, P. A. & Costa, M. H. & Cunha, M. R. & Costa, F. O." box="[179,377,259,285]" pageId="86" pageNumber="87" pagination="147 - 157" refId="ref99132" refString="Lobo, J., Ferreira, M. S., Antunes, I. C., Teixeira, M. A. L., Borges, L. M. S., Sousa, R., Gomes, P. A., Costa, M. H., Cunha, M. R. & Costa, F. O. (2017) Contrasting morphological and DNA barcode-suggested species boundaries among shallow-water amphipod fauna from the southern European Atlantic coast. Genome, 60, 147 - 157. https: // doi. org / 10.1139 / gen- 2016 - 0009" type="journal article" year="2017">
|
||
Lobo
|
||
<emphasis id="B969EADEFFE3D94EC9AC1A12FEDEFEE4" box="[243,298,259,285]" italics="true" pageId="86" pageNumber="87">et al.</emphasis>
|
||
(2017)
|
||
</bibRefCitation>
|
||
as being
|
||
<taxonomicName id="4C1D4D4FFFE3D94EC8BF1A12FDB1FEE4" authorityName="Uropod" baseAuthorityName="Montagu" baseAuthorityYear="1808" box="[480,581,259,285]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="86" pageNumber="87" phylum="Arthropoda" rank="species" species="falcata">
|
||
<emphasis id="B969EADEFFE3D94EC8BF1A12FDB1FEE4" box="[480,581,259,285]" italics="true" pageId="86" pageNumber="87">J. falcata</emphasis>
|
||
</taxonomicName>
|
||
are confirmed as this species (specimens examined
|
||
<date id="FFA3100CFFE3D94ECD211A12FAE9FEE4" box="[1150,1309,259,285]" pageId="86" pageNumber="87" value="2019-03-04">4 March 2019</date>
|
||
). So too are the specimens described by
|
||
<bibRefCitation id="EF8C4B3DFFE3D94EC8941A36FD9DFEB8" author="Walker, A. O." box="[459,617,295,321]" pageId="86" pageNumber="87" pagination="67 - 72" refId="ref107295" refString="Walker, A. O. (1911) Notes on Jassa falcata (Mont.). Transactions of the Liverpool Biological Society, 25, 67 - 72." type="journal article" year="1911">Walker (1911)</bibRefCitation>
|
||
(NHM).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3076547FFE3D94EC9981A5AFD6EFC30" pageId="86" pageNumber="87" type="discussion">
|
||
<paragraph id="8BA236CCFFE3D94EC9981A5AFA83FE0C" blockId="86.[151,1437,151,969]" pageId="86" pageNumber="87">
|
||
<emphasis id="B969EADEFFE3D94EC9981A5AFECEFE9C" bold="true" box="[199,314,331,357]" pageId="86" pageNumber="87">Remarks.</emphasis>
|
||
Minor forms have a distinct tooth on the inner surface of the dactyl which inserts into the palmar incision on the propodus (
|
||
<figureCitation id="13262A49FFE3D94EC8D11A7EFE16FE70" box="[398,482,367,393]" captionStart="FIGURE 42" captionStartId="80.[151,250,1937,1961]" captionTargetBox="[187,1411,814,1905]" captionTargetId="figure-188@80.[177,1411,808,1913]" captionTargetPageId="80" captionText="FIGURE 42. Jassa falcata (Montagu, 1808), type species for the genus Jassa. Holotype, adult male, minor form, 6.3 mm. Torcross, South Devon, England, date unknown, collector unknown, NHM 603a. Lateral views: whole body and right uropods 1-3; dorsal view: telson; other views medial. Scale 0.1 mm. Illustration after Conlan (1990)." figureDoi="http://doi.org/10.5281/zenodo.4580740" httpUri="https://zenodo.org/record/4580740/files/figure.png" pageId="86" pageNumber="87">Figs 42</figureCitation>
|
||
and
|
||
<figureCitation id="13262A49FFE3D94ECB471A7FFDC3FE70" box="[536,567,366,393]" captionStart="FIGURE 45" captionStartId="83.[151,250,1796,1820]" captionTargetBox="[196,1387,189,1761]" captionTargetId="figure-18@83.[184,1404,181,1773]" captionTargetPageId="83" captionText="FIGURE 45. Jassa falcata (Montagu, 1808). Variation in thumb length relative to body length in males in a single collection at Audrassalas, Pas-de-Calais, France, 1 July 1985, K. E. Conlan, coll., in tubes and and actively walking over Ceramium rubrum (mainly) and Polysiphonia, even though out of contact with seawater at low tide, IZ 1985-093 (CMN). Arrows refer to the associated gnathopod illustrations. The subadult male had a thumb visible inside the cuticle, indicating that it would molt next into a thumbed adult. Setae omitted except for those around the thumb and spines in order to landmark position changes with growth. All views lateral. Scale 0.1 mm. Linear regression assumptions passed for the adult major form male. Linear regression statistics: Major form, thumb length = -1.219 + 0.281 body length, r2 = 0.773, n = 38. Illustration after Conlan (1990)." figureDoi="http://doi.org/10.5281/zenodo.4580749" httpUri="https://zenodo.org/record/4580749/files/figure.png" pageId="86" pageNumber="87">45</figureCitation>
|
||
). In major forms, the thumb is long and the propodus deeply incised (
|
||
<figureCitation id="13262A49FFE3D94ECC641A7EFF42FE54" captionStart-0="FIGURE 43" captionStart-1="FIGURE 44" captionStart-2="FIGURE 45" captionStartId-0="81.[151,250,1786,1810]" captionStartId-1="82.[151,250,1172,1196]" captionStartId-2="83.[151,250,1796,1820]" captionTargetBox-0="[183,1401,194,1759]" captionTargetBox-1="[175,1411,181,1141]" captionTargetBox-2="[196,1387,189,1761]" captionTargetId-0="figure-18@81.[183,1405,181,1762]" captionTargetId-1="figure-22@82.[170,1417,181,1148]" captionTargetId-2="figure-18@83.[184,1404,181,1773]" captionTargetPageId-0="81" captionTargetPageId-1="82" captionTargetPageId-2="83" captionText-0="FIGURE 43. Jassa falcata (Montagu, 1808). Adult male, major form, 5.7 mm, lectotype for the series 296a-296g of Jassa pulchella Leach, 1814. Devon, England, date unknown, collector unknown, NHM 296e. The tip of the thumb on gnathopod 2 was probably damaged while the animal was alive; other damage was probably incurred while it was dry mounted. Adult male 1, major form, 11.0 mm; juvenile male 2, 7.0 mm; adult male 3, major form, 6.5 mm; juvenile male 4, 4.5 mm; and adult female, 7.0 mm. Stoer Bay, Sutherland, Scotland, 22 October 1937, D. M. Reid, coll., very abundant on the floats of coastal salmon nets (SNM). Lateral view: whole body; other views medial. Appendages are of the lectotype unless indicated otherwise. Scale 0.1 mm. Illustration after Conlan (1990)." captionText-1="FIGURE 44. Jassa falcata (Montagu, 1808). Adult male 1, major form, 11.0 mm; juvenile male 2, 7.0 mm; adult male 3, major form, 6.5 mm; juvenile male 4, 4.5 mm; and adult female, 7.0 mm. Stoer Bay, Sutherland, Scotland, 22 October 1937, D. M. Reid, coll., very abundant on the floats of coastal salmon nets (SNM). Developing new cuticle is visible inside the propodus and dactyl of the juvenile male 2 gnathopod 2, not yet at the terminal molt as the new cuticle lacks a thumb. All views medial. Scale 0.1 mm." captionText-2="FIGURE 45. Jassa falcata (Montagu, 1808). Variation in thumb length relative to body length in males in a single collection at Audrassalas, Pas-de-Calais, France, 1 July 1985, K. E. Conlan, coll., in tubes and and actively walking over Ceramium rubrum (mainly) and Polysiphonia, even though out of contact with seawater at low tide, IZ 1985-093 (CMN). Arrows refer to the associated gnathopod illustrations. The subadult male had a thumb visible inside the cuticle, indicating that it would molt next into a thumbed adult. Setae omitted except for those around the thumb and spines in order to landmark position changes with growth. All views lateral. Scale 0.1 mm. Linear regression assumptions passed for the adult major form male. Linear regression statistics: Major form, thumb length = -1.219 + 0.281 body length, r2 = 0.773, n = 38. Illustration after Conlan (1990)." figureDoi-0="http://doi.org/10.5281/zenodo.4580744" figureDoi-1="http://doi.org/10.5281/zenodo.4580746" figureDoi-2="http://doi.org/10.5281/zenodo.4580749" httpUri-0="https://zenodo.org/record/4580744/files/figure.png" httpUri-1="https://zenodo.org/record/4580746/files/figure.png" httpUri-2="https://zenodo.org/record/4580749/files/figure.png" pageId="86" pageNumber="87">Figs 43– 45</figureCitation>
|
||
). The dactyl lacks the obvious tooth of the minor form, though it is expanded proximally. These differences are so great that this lead
|
||
<bibRefCitation id="EF8C4B3DFFE3D94EC83A1AA6FE0CFE28" author="Leach, W. E." box="[357,504,439,465]" pageId="86" pageNumber="87" pagination="402 - 404" refId="ref98420" refString="Leach, W. E. (1814) Crustaceology. The Edinburgh Encyclopedia, 7, 402 - 404." type="journal article" year="1814">Leach (1814)</bibRefCitation>
|
||
to describe the major form as
|
||
<taxonomicName id="4C1D4D4FFFE3D94ECA1C1AA6FC36FE28" authorityName="Leach" authorityYear="1814" box="[835,962,439,465]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="86" pageNumber="87" phylum="Arthropoda" rank="species" species="pulchella">
|
||
<emphasis id="B969EADEFFE3D94ECA1C1AA6FC36FE28" box="[835,962,439,465]" italics="true" pageId="86" pageNumber="87">J. pulchella</emphasis>
|
||
</taxonomicName>
|
||
;
|
||
<bibRefCitation id="EF8C4B3DFFE3D94ECA8F1AA6FB77FE28" author="Montagu, G." box="[976,1155,439,465]" pageId="86" pageNumber="87" pagination="81 - 114" refId="ref100606" refString="Montagu, G. (1808) Description of several marine animals found on the south coast of Devonshire. Transactions of the Linnean Society of London, 9, 81 - 114. https: // doi. org / 10.1111 / j. 1096 - 3642.1818. tb 00327. x" type="journal article" year="1808">Montagu (1808)</bibRefCitation>
|
||
had based his description of
|
||
<taxonomicName id="4C1D4D4FFFE3D94EC9EA1ACAFEEFFE0C" authorityName="Uropod" baseAuthorityName="Montagu" baseAuthorityYear="1808" box="[181,283,475,501]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="86" pageNumber="87" phylum="Arthropoda" rank="species" species="falcata">
|
||
<emphasis id="B969EADEFFE3D94EC9EA1ACAFEEFFE0C" box="[181,283,475,501]" italics="true" pageId="86" pageNumber="87">J. falcata</emphasis>
|
||
</taxonomicName>
|
||
on a minor form male.
|
||
<bibRefCitation id="EF8C4B3DFFE3D94ECB411ACAFD48FE0C" author="Walker, A. O." box="[542,700,475,501]" pageId="86" pageNumber="87" pagination="67 - 72" refId="ref107295" refString="Walker, A. O. (1911) Notes on Jassa falcata (Mont.). Transactions of the Liverpool Biological Society, 25, 67 - 72." type="journal article" year="1911">Walker (1911)</bibRefCitation>
|
||
was of the opinion that both forms occurred within the species.
|
||
</paragraph>
|
||
<paragraph id="8BA236CCFFE3D94EC9981AEEFB5BFD34" blockId="86.[151,1437,151,969]" pageId="86" pageNumber="87">
|
||
Aplot of thumb length vs body length for a population sampled in summer at Audrassalas,
|
||
<collectingCountry id="F30A765CFFE3D94ECDFD1AEEFB19FDE0" box="[1186,1261,511,537]" name="France" pageId="86" pageNumber="87">France</collectingCountry>
|
||
(
|
||
<figureCitation id="13262A49FFE3D94ECDA51AEEFABEFDE0" box="[1274,1354,510,537]" captionStart="FIGURE 45" captionStartId="83.[151,250,1796,1820]" captionTargetBox="[196,1387,189,1761]" captionTargetId="figure-18@83.[184,1404,181,1773]" captionTargetPageId="83" captionText="FIGURE 45. Jassa falcata (Montagu, 1808). Variation in thumb length relative to body length in males in a single collection at Audrassalas, Pas-de-Calais, France, 1 July 1985, K. E. Conlan, coll., in tubes and and actively walking over Ceramium rubrum (mainly) and Polysiphonia, even though out of contact with seawater at low tide, IZ 1985-093 (CMN). Arrows refer to the associated gnathopod illustrations. The subadult male had a thumb visible inside the cuticle, indicating that it would molt next into a thumbed adult. Setae omitted except for those around the thumb and spines in order to landmark position changes with growth. All views lateral. Scale 0.1 mm. Linear regression assumptions passed for the adult major form male. Linear regression statistics: Major form, thumb length = -1.219 + 0.281 body length, r2 = 0.773, n = 38. Illustration after Conlan (1990)." figureDoi="http://doi.org/10.5281/zenodo.4580749" httpUri="https://zenodo.org/record/4580749/files/figure.png" pageId="86" pageNumber="87">Fig. 45</figureCitation>
|
||
) shows the shorter thumb length and dactyl toothing in the minor form and the very long thumb of the major form. Comparing mean thumb length between the minor form group (
|
||
<emphasis id="B969EADEFFE3D94ECB921956FD2FFD99" box="[717,731,583,608]" italics="true" pageId="86" pageNumber="87">n</emphasis>
|
||
= 2) and the major form group of the body length range (
|
||
<quantity id="4CE59B29FFE3D94ECC171957FF31FD7C" metricMagnitude="-3" metricUnit="m" metricValue="5.9" metricValueMax="6.2" metricValueMin="5.6" pageId="86" pageNumber="87" unit="mm" value="5.9" valueMax="6.2" valueMin="5.6">5.6–6.2 mm</quantity>
|
||
,
|
||
<emphasis id="B969EADEFFE3D94EC98F197AFF2AFD7D" box="[208,222,619,644]" italics="true" pageId="86" pageNumber="87">n</emphasis>
|
||
= 10) found that the differences were not great enough to exclude the possibility that the differences were due to random sampling variability (ANOVA,
|
||
<emphasis id="B969EADEFFE3D94ECB33199EFD89FD51" box="[620,637,655,680]" italics="true" pageId="86" pageNumber="87">F</emphasis>
|
||
= 4.289,
|
||
<emphasis id="B969EADEFFE3D94ECBB7199EFD02FD51" box="[744,758,655,680]" italics="true" pageId="86" pageNumber="87">p</emphasis>
|
||
= 0.065). Minor forms were rare in this population and were uncommoninothercollectionsalso, despite 4,000 specimenshavingbeenexamined (
|
||
<tableCitation id="C69F0377FFE3D94ECD1319A2FB56FD34" box="[1100,1186,691,717]" captionStart="TABLE 4" captionStartId="30.[144,232,536,562]" captionTargetBox="[114,1999,649,1609]" captionText="TABLE 4. Collection data for each species of Jassa gathered from specimens examined in this study and in Conlan (1990), with supplementary data from literature reports where the identification is likely correct. OBIS records of depth range are included except where errors are suspected. Species names are abbreviated by their first three letters. Biota used by Jassa as substrate are identified to genus for brevity. LI = low intertidal. Extreme depths, where ship contamination is suspected, are excluded." httpUri="http://table.plazi.org/id/DF626644FFABD906C9CF1909F950FD83" pageId="86" pageNumber="87" tableUuid="DF626644FFABD906C9CF1909F950FD83">Table 4</tableCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BA236CCFFE3D94EC99819C6FD6EFC30" blockId="86.[151,1437,151,969]" pageId="86" pageNumber="87">
|
||
Aplot of gnathopod 2 propodus length for the same population (
|
||
<figureCitation id="13262A49FFE3D94ECA2119C6FC2DFD0B" box="[894,985,727,754]" captionStart="FIGURE 46" captionStartId="84.[151,250,1710,1734]" captionTargetBox="[168,1423,191,1679]" captionTargetId="figure-22@84.[151,1436,181,1686]" captionTargetPageId="84" captionText="FIGURE 46. Jassa falcata (Montagu, 1808). Variation in gnathopod 2 propodus length and pereopod 3 basis width in males and females from a population at Audrassalas, Pas-de-Calais, France (1 July 1985, K. E. Conlan, coll., in tubes and and actively walking over Ceramium rubrum (mainly) and Polysiphonia, even though out of contact with seawater at low tide, IZ 1985-093 (CMN). Linear regression assumptions passed for the juvenile male. Linear regression statistics: juvenile male, propodus length = -0.152 + 0.126 x body length, r2 = 0.916, n = 13." figureDoi="http://doi.org/10.5281/zenodo.4580751" httpUri="https://zenodo.org/record/4580751/files/figure.png" pageId="86" pageNumber="87">Fig. 46a</figureCitation>
|
||
) showed a significant difference between the major form adult male (
|
||
<emphasis id="B969EADEFFE3D94EC89219EAFE2FFCED" box="[461,475,763,788]" italics="true" pageId="86" pageNumber="87">n</emphasis>
|
||
= 14), juvenile (including subadult) male (
|
||
<emphasis id="B969EADEFFE3D94ECAE219EAFC3FFCED" box="[957,971,763,788]" italics="true" pageId="86" pageNumber="87">n</emphasis>
|
||
= 8) and adult females (
|
||
<emphasis id="B969EADEFFE3D94ECD8019EAFB19FCED" box="[1247,1261,763,788]" italics="true" pageId="86" pageNumber="87">n</emphasis>
|
||
= 5) within the body lengthrange whereeach overlapped (
|
||
<quantity id="4CE59B29FFE3D94ECB2C180FFCE3FCC0" box="[627,791,798,825]" metricMagnitude="-3" metricUnit="m" metricValue="5.875" metricValueMax="6.67" metricValueMin="5.08" pageId="86" pageNumber="87" unit="mm" value="5.875" valueMax="6.67" valueMin="5.08">5.08–6.67 mm</quantity>
|
||
) (ANOVA,
|
||
<emphasis id="B969EADEFFE3D94ECAC3180EFC59FCC1" box="[924,941,799,824]" italics="true" pageId="86" pageNumber="87">F</emphasis>
|
||
= 22.112,
|
||
<emphasis id="B969EADEFFE3D94ECD7B180EFBC6FCC1" box="[1060,1074,799,824]" italics="true" pageId="86" pageNumber="87">p</emphasis>
|
||
<0.001). Adultmaleshada significantly longer propodus than adult females (
|
||
<emphasis id="B969EADEFFE3D94ECBCA1852FD69FCA5" box="[661,669,835,860]" italics="true" pageId="86" pageNumber="87">t</emphasis>
|
||
-test,
|
||
<emphasis id="B969EADEFFE3D94ECB871852FD14FCA5" box="[728,736,835,860]" italics="true" pageId="86" pageNumber="87">t</emphasis>
|
||
= 5.631,
|
||
<emphasis id="B969EADEFFE3D94ECA1A1852FCA7FCA5" box="[837,851,835,860]" italics="true" pageId="86" pageNumber="87">p</emphasis>
|
||
<0.001) or juveniles (
|
||
<emphasis id="B969EADEFFE3D94ECD151852FBA6FCA5" box="[1098,1106,835,860]" italics="true" pageId="86" pageNumber="87">t</emphasis>
|
||
= 5.107,
|
||
<emphasis id="B969EADEFFE3D94ECDE81852FB31FCA5" box="[1207,1221,835,860]" italics="true" pageId="86" pageNumber="87">p</emphasis>
|
||
<0.001). Propodus length for major form adult males averaged 0.794 ±
|
||
<quantity id="4CE59B29FFE3D94ECBBE1876FCA6FC78" box="[737,850,871,897]" metricMagnitude="-4" metricUnit="m" metricValue="1.04" pageId="86" pageNumber="87" unit="mm" value="0.104">0.104 mm</quantity>
|
||
while for juvenile males it averaged 0.595 ±
|
||
<quantity id="4CE59B29FFE3D94ECC101877FF32FC5C" metricMagnitude="-5" metricUnit="m" metricValue="6.569999999999999" pageId="86" pageNumber="87" unit="mm" value="0.0657">0.0657 mm</quantity>
|
||
. Adult females had an average propodus length of 0.536 ±
|
||
<quantity id="4CE59B29FFE3D94ECA30189AFC05FC5C" box="[879,1009,907,933]" metricMagnitude="-5" metricUnit="m" metricValue="6.23" pageId="86" pageNumber="87" unit="mm" value="0.0623">0.0623 mm</quantity>
|
||
which was not significantly different from the juvenile males (
|
||
<emphasis id="B969EADEFFE3D94EC8EF18BEFE4CFC31" box="[432,440,943,968]" italics="true" pageId="86" pageNumber="87">t</emphasis>
|
||
= 1.175,
|
||
<emphasis id="B969EADEFFE3D94ECB7E18BEFDDBFC31" box="[545,559,943,968]" italics="true" pageId="86" pageNumber="87">p</emphasis>
|
||
= 0.251).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |