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<document ID-DOI="http://doi.org/10.5281/zenodo.3458149" ID-GBIF-Dataset="13c8f8f0-3ea5-4a40-afb1-5292f8380faa" ID-Zenodo-Dep="3458149" IM.treatments_approvedBy="felipe" approvalRequired="7" approvalRequired_for_bibRefs="1" approvalRequired_for_originalDoi="1" approvalRequired_for_treatments="5" checkinTime="1569248338176" checkinUser="plazi" docAuthor="Cope, E. D." docDate="1868" docId="03BD87E2D52BFFF5FF89D60B1F1BF8C3" docLanguage="en" docName="The American journal of science_ocr.pdf.imd" docOrigin="The American Journal of Science, series 2 46 (138)" docStyle="DocumentStyle{}" docTitle="Laelaps Cope 1866" docType="treatment" docVersion="16" lastPageNumber="417" masterDocId="FF84FF9AD52BFFF7FFF5D02C191AFFDA" masterDocTitle="On the genus Laelaps" masterLastPageNumber="417" masterPageNumber="415" pageNumber="415" updateTime="1683315437067" updateUser="felipe">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>On the genus Laelaps</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Cope, E. D.</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>The American Journal of Science, series 2</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>1868</mods:date>
<mods:detail type="pubDate">
<mods:number>1868-11-30</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>46</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>138</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>415</mods:start>
<mods:end>417</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://doi.org/10.5281/zenodo.3458149</mods:identifier>
<mods:identifier type="GBIF-Dataset">13c8f8f0-3ea5-4a40-afb1-5292f8380faa</mods:identifier>
<mods:identifier type="Zenodo-Dep">3458149</mods:identifier>
</mods:mods>
<treatment ID-DOI="http://doi.org/10.5281/zenodo.3513128" ID-GBIF-Taxon="159491264" ID-Zenodo-Dep="3513128" LSID="urn:lsid:plazi:treatment:03BD87E2D52BFFF5FF89D60B1F1BF8C3" httpUri="http://treatment.plazi.org/id/03BD87E2D52BFFF5FF89D60B1F1BF8C3" lastPageId="2" lastPageNumber="417" pageId="0" pageNumber="415">
<subSubSection pageId="0" pageNumber="415" type="nomenclature">
<paragraph blockId="0.[68,1733,1575,3267]" pageId="0" pageNumber="415">
.
<emphasis box="[198,778,1575,1628]" italics="true" pageId="0" pageNumber="415">
<docTitle box="[198,743,1575,1628]" pageId="0" pageNumber="415">
<emphasis bold="true" box="[198,225,1575,1628]" italics="true" pageId="0" pageNumber="415">On</emphasis>
the
<emphasis bold="true" box="[385,743,1575,1628]" italics="true" pageId="0" pageNumber="415">
genus
<taxonomicName authorityName="Cope" authorityYear="1866" box="[549,743,1575,1628]" class="Reptilia" family="Dinodontidae" genus="Laelaps" higherTaxonomySource="CoL" kingdom="Animalia" order="Dinosauria" pageId="0" pageNumber="415" phylum="Arthropoda" rank="genus">Laelaps</taxonomicName>
</emphasis>
</docTitle>
;
</emphasis>
by
<emphasis bold="true" box="[905,1183,1575,1628]" pageId="0" pageNumber="415">Edward D</emphasis>
. C ope. (Communicated
<emphasis bold="true" box="[161,225,1630,1683]" italics="true" pageId="0" pageNumber="415">for</emphasis>
this Journal.)
</paragraph>
</subSubSection>
<subSubSection lastPageId="2" lastPageNumber="417" pageId="0" pageNumber="415" type="discussion">
<paragraph blockId="0.[68,1733,1575,3267]" pageId="0" pageNumber="415">
—As some confusion respecting the name of this genus has arisen, it appears
<emphasis bold="true" box="[896,1278,1686,1739]" pageId="0" pageNumber="415">best to attempt</emphasis>
to correct it at as early a day as possible. This confusion, as it appears to me, has been
<emphasis bold="true" box="[189,367,1803,1855]" pageId="0" pageNumber="415">created</emphasis>
by remarks contained in an
<emphasis box="[1076,1204,1803,1856]" italics="true" pageId="0" pageNumber="415">essay</emphasis>
by Dr.
<emphasis bold="true" box="[1385,1553,1803,1855]" pageId="0" pageNumber="415">Joseph</emphasis>
Leidy, published in the last number
<emphasis bold="true" box="[812,866,1864,1917]" pageId="0" pageNumber="415">of</emphasis>
the
<emphasis box="[989,1354,1864,1917]" italics="true" pageId="0" pageNumber="415">
Proceedings
<emphasis bold="true" box="[1310,1354,1864,1916]" pageId="0" pageNumber="415">of</emphasis>
</emphasis>
the Academy, entitled “ Remarks
<emphasis box="[562,622,1923,1976]" italics="true" pageId="0" pageNumber="415">on</emphasis>
a
<emphasis bold="true" box="[684,1105,1923,1975]" pageId="0" pageNumber="415">
<emphasis bold="true" box="[684,1031,1923,1975]" italics="true" pageId="0" pageNumber="415">jaw-fragment</emphasis>
of
</emphasis>
<taxonomicName authority="Buckland, 1824" box="[1125,1470,1923,1975]" class="Reptilia" family="Megalosauridae" genus="Megalosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="0" pageNumber="415" phylum="Chordata" rank="genus">
<emphasis box="[1125,1470,1923,1975]" italics="true" pageId="0" pageNumber="415">Megalosaurus</emphasis>
</taxonomicName>
.&quot;
</paragraph>
<paragraph blockId="0.[68,1733,1575,3267]" pageId="0" pageNumber="415">
In the Transactions of
<emphasis bold="true" box="[726,803,1979,2032]" pageId="0" pageNumber="415">the</emphasis>
American Philosophical Society, xi,
<emphasis box="[75,102,2045,2097]" italics="true" pageId="0" pageNumber="415">p</emphasis>
. 143, Dr. Leidy
<emphasis bold="true" box="[519,801,2045,2097]" pageId="0" pageNumber="415">describes a</emphasis>
large carnivorous reptile allied
<emphasis bold="true" box="[1676,1724,2045,2097]" pageId="0" pageNumber="415">to</emphasis>
<taxonomicName authority="Buckland, 1824" box="[77,408,2097,2150]" class="Reptilia" family="Megalosauridae" genus="Megalosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="0" pageNumber="415" phylum="Chordata" rank="genus">Megalosaurus</taxonomicName>
, under the
<emphasis box="[706,840,2097,2149]" italics="true" pageId="0" pageNumber="415">name</emphasis>
of
<emphasis box="[939,1402,2097,2150]" italics="true" pageId="0" pageNumber="415">
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[939,1395,2097,2150]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="0" pageNumber="415" phylum="Chordata" rank="genus">Dinodon horridus</taxonomicName>
.
</emphasis>
He
<emphasis box="[1553,1726,2097,2149]" italics="true" pageId="0" pageNumber="415">assigns</emphasis>
to it,
<emphasis box="[200,308,2157,2210]" italics="true" pageId="0" pageNumber="415">with</emphasis>
some
<emphasis bold="true" box="[475,742,2157,2209]" pageId="0" pageNumber="415">expression</emphasis>
of doubt,
<emphasis bold="true" box="[1035,1345,2157,2210]" pageId="0" pageNumber="415">
teeth of
<emphasis bold="true" box="[1253,1345,2157,2210]" italics="true" pageId="0" pageNumber="415">two</emphasis>
</emphasis>
distinct forms,
<emphasis box="[73,146,2219,2271]" italics="true" pageId="0" pageNumber="415">viz</emphasis>
: some
<emphasis bold="true" box="[323,498,2219,2272]" pageId="0" pageNumber="415">having</emphasis>
a lenticular
<emphasis bold="true" box="[869,1126,2219,2271]" pageId="0" pageNumber="415">transverse</emphasis>
section,
<emphasis box="[1362,1470,2219,2271]" italics="true" pageId="0" pageNumber="415">with</emphasis>
crenation
<emphasis box="[74,121,2277,2330]" italics="true" pageId="0" pageNumber="415">on</emphasis>
the
<emphasis box="[225,318,2277,2329]" italics="true" pageId="0" pageNumber="415">two</emphasis>
margins in
<emphasis bold="true" box="[630,741,2277,2329]" pageId="0" pageNumber="415">part</emphasis>
, and
<emphasis bold="true" box="[883,1038,2277,2330]" pageId="0" pageNumber="415">others</emphasis>
having
<emphasis bold="true" box="[1248,1275,2277,2329]" pageId="0" pageNumber="415">a</emphasis>
lenticular section, truncate
<emphasis bold="true" box="[292,391,2335,2388]" pageId="0" pageNumber="415">to a</emphasis>
greater
<emphasis box="[630,684,2335,2388]" italics="true" pageId="0" pageNumber="415">or</emphasis>
<emphasis bold="true" box="[719,809,2335,2388]" pageId="0" pageNumber="415">less</emphasis>
<emphasis box="[844,1019,2335,2388]" italics="true" pageId="0" pageNumber="415">degree</emphasis>
, in
<emphasis box="[1126,1334,2335,2388]" italics="true" pageId="0" pageNumber="415">place of</emphasis>
<emphasis bold="true" box="[1355,1413,2335,2387]" pageId="0" pageNumber="415">its</emphasis>
angles, and therefore crenate
<emphasis box="[503,717,2391,2444]" italics="true" pageId="0" pageNumber="415">on three</emphasis>
edges
<emphasis box="[899,1072,2391,2444]" italics="true" pageId="0" pageNumber="415">in part</emphasis>
.
</paragraph>
<paragraph blockId="0.[68,1733,1575,3267]" pageId="0" pageNumber="415">
If
<emphasis box="[180,249,2452,2505]" italics="true" pageId="0" pageNumber="415">Dr</emphasis>
. Leidy had left the matter undecided as to which of these he regarded as
<emphasis bold="true" box="[440,518,2511,2564]" pageId="0" pageNumber="415">the</emphasis>
<emphasis box="[541,655,2511,2564]" italics="true" pageId="0" pageNumber="415">type</emphasis>
of the genus
<emphasis box="[1024,1263,2511,2563]" italics="true" pageId="0" pageNumber="415">
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[1024,1253,2511,2563]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="0" pageNumber="415" phylum="Chordata" rank="genus">Dinodon</taxonomicName>
,
</emphasis>
<emphasis bold="true" box="[1284,1360,2511,2564]" pageId="0" pageNumber="415">the</emphasis>
almost
<emphasis box="[73,111,2570,2623]" italics="true" pageId="0" pageNumber="415">universal</emphasis>
practice
<emphasis box="[357,413,2570,2622]" italics="true" pageId="0" pageNumber="415">of</emphasis>
naturalists
<emphasis box="[717,873,2570,2623]" italics="true" pageId="0" pageNumber="415">would</emphasis>
refer
<emphasis bold="true" box="[1032,1110,2570,2623]" pageId="0" pageNumber="415">the</emphasis>
name to that
<emphasis bold="true" box="[1463,1576,2570,2623]" pageId="0" pageNumber="415">form</emphasis>
which should
<emphasis box="[237,313,2628,2680]" italics="true" pageId="0" pageNumber="415">not</emphasis>
be
<emphasis box="[417,515,2628,2680]" italics="true" pageId="0" pageNumber="415">first</emphasis>
thereafter
<emphasis bold="true" box="[812,1151,2628,2681]" pageId="0" pageNumber="415">discovered to</emphasis>
be distinct and named.
</paragraph>
<paragraph blockId="0.[68,1733,1575,3267]" pageId="0" pageNumber="415">
I have
<emphasis bold="true" box="[289,480,2684,2737]" pageId="0" pageNumber="415">been of</emphasis>
<emphasis box="[503,585,2684,2737]" italics="true" pageId="0" pageNumber="415">the</emphasis>
opinion
<emphasis box="[808,913,2684,2736]" italics="true" pageId="0" pageNumber="415">that</emphasis>
the
<emphasis bold="true" box="[1033,1128,2684,2736]" italics="true" pageId="0" pageNumber="415">two</emphasis>
forms
<emphasis bold="true" box="[1310,1503,2684,2736]" pageId="0" pageNumber="415">of teeth</emphasis>
included by Dr. Leidy under
<emphasis bold="true" box="[575,654,2745,2798]" pageId="0" pageNumber="415">the</emphasis>
head of
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[889,1108,2745,2798]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="0" pageNumber="415" phylum="Chordata" rank="genus">
<emphasis bold="true" box="[889,1108,2745,2798]" italics="true" pageId="0" pageNumber="415">Dinodon</emphasis>
</taxonomicName>
really belong
<emphasis bold="true" box="[1477,1525,2745,2797]" pageId="0" pageNumber="415">to</emphasis>
distinct animals, and Leidy is also
<emphasis bold="true" box="[736,789,2803,2855]" pageId="0" pageNumber="415">of</emphasis>
<emphasis box="[802,905,2803,2855]" italics="true" pageId="0" pageNumber="415">that</emphasis>
opinion.
<emphasis bold="true" box="[1186,1381,2803,2856]" pageId="0" pageNumber="415">In 1866</emphasis>
, in describing the genus
<taxonomicName authorityName="Cope" authorityYear="1866" box="[312,505,2861,2914]" class="Reptilia" family="Dinodontidae" genus="Laelaps" higherTaxonomySource="CoL" kingdom="Animalia" order="Dinosauria" pageId="0" pageNumber="415" phylum="Arthropoda" rank="genus">
<emphasis bold="true" box="[312,505,2861,2914]" italics="true" pageId="0" pageNumber="415">Laelaps</emphasis>
</taxonomicName>
(Proc. Acad.,
<emphasis bold="true" box="[888,921,2861,2914]" pageId="0" pageNumber="415">p</emphasis>
. 279), I said: “The genus
<taxonomicName authorityName="Cope" authorityYear="1866" class="Reptilia" family="Dinodontidae" genus="Laelaps" higherTaxonomySource="CoL" kingdom="Animalia" order="Dinosauria" pageId="0" pageNumber="415" phylum="Arthropoda" rank="genus">Laelaps</taxonomicName>
<emphasis box="[177,361,2921,2973]" italics="true" pageId="0" pageNumber="415">belongs</emphasis>
<emphasis bold="true" box="[399,549,2921,2974]" pageId="0" pageNumber="415">to the</emphasis>
<emphasis box="[570,1127,2921,2974]" italics="true" pageId="0" pageNumber="415">
family
<taxonomicName box="[771,1118,2921,2974]" class="Reptilia" family="Deinodontidae" kingdom="Animalia" order="Dinosauria" pageId="0" pageNumber="415" phylum="Chordata" rank="family">Dinodontidae</taxonomicName>
,
</emphasis>
which is characterized * * by its compressed
<emphasis bold="true" box="[756,1079,2985,3037]" pageId="0" pageNumber="415">sabre-shaped</emphasis>
teeth. It
<emphasis bold="true" box="[1366,1603,2985,3038]" pageId="0" pageNumber="415">differs * *</emphasis>
<emphasis box="[87,169,3039,3092]" italics="true" pageId="0" pageNumber="415">from</emphasis>
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[188,404,3039,3092]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="0" pageNumber="415" phylum="Chordata" rank="genus">Dinodon</taxonomicName>
in
<emphasis bold="true" box="[493,596,3039,3091]" pageId="0" pageNumber="415">that</emphasis>
teeth
<emphasis bold="true" box="[769,926,3039,3092]" pageId="0" pageNumber="415">of the</emphasis>
latter have
<emphasis box="[1279,1373,3039,3091]" italics="true" pageId="0" pageNumber="415">two</emphasis>
posterior serrate
<emphasis box="[169,303,3096,3149]" italics="true" pageId="0" pageNumber="415">edges</emphasis>
separated
<emphasis bold="true" box="[584,648,3096,3149]" pageId="0" pageNumber="415">by</emphasis>
<emphasis box="[669,696,3096,3148]" italics="true" pageId="0" pageNumber="415">a</emphasis>
<emphasis bold="true" box="[719,1107,3096,3148]" pageId="0" pageNumber="415">posterior plane</emphasis>
.” This,
<emphasis bold="true" box="[1346,1457,3096,3148]" pageId="0" pageNumber="415">then</emphasis>
, according to the
<emphasis bold="true" box="[221,452,3156,3208]" pageId="0" pageNumber="415">usage of</emphasis>
naturalists,
<emphasis bold="true" box="[790,1173,3156,3209]" pageId="0" pageNumber="415">establishes the</emphasis>
name
<emphasis bold="true" box="[1358,1635,3156,3208]" pageId="0" pageNumber="415">
<emphasis bold="true" box="[1358,1411,3156,3208]" italics="true" pageId="0" pageNumber="415">of</emphasis>
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[1431,1635,3156,3208]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="0" pageNumber="415" phylum="Chordata" rank="genus">Dinodon</taxonomicName>
</emphasis>
for the
<emphasis bold="true" box="[154,515,3214,3267]" pageId="0" pageNumber="415">truncate teeth</emphasis>
,
<emphasis box="[546,1030,3214,3267]" italics="true" pageId="0" pageNumber="415">
and
<taxonomicName authorityName="Cope" authorityYear="1866" box="[659,839,3214,3267]" class="Reptilia" family="Dinodontidae" genus="Laelaps" higherTaxonomySource="CoL" kingdom="Animalia" order="Dinosauria" pageId="0" pageNumber="415" phylum="Arthropoda" rank="genus">
<emphasis bold="true" box="[659,839,3214,3267]" italics="true" pageId="0" pageNumber="415">Laelaps</emphasis>
</taxonomicName>
for the
</emphasis>
two-edged.
</paragraph>
<paragraph blockId="1.[201,1808,399,3260]" pageId="1" pageNumber="416">
Dr. Leidy, however, in an essay just published (Proc. Acad.. 1808, p. 198), in expressing his belief in the distinctness of the two genera, states that “teeth of like shape” (i. e., like
<taxonomicName authority="Buckland, 1824" class="Reptilia" family="Megalosauridae" genus="Megalosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Megalosaurus</taxonomicName>
), “referred by me to
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[974,1191,569,621]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Dinodon</taxonomicName>
, alone belong to this genus, and names the species represented by the truncate teeth, or the true
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[433,889,683,736]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="species" species="horridus">Dinodon horridus</taxonomicName>
,
<taxonomicName authorityName="Leidy" authorityYear="1868" box="[916,1457,684,739]" class="Reptilia" family="Dinodontidae" genus="Aublysodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="species" species="mirandus">Aublysodon mirandus</taxonomicName>
. He then goes onto say: “Future discovery may prove
<taxonomicName authorityName="Cope" authorityYear="1866" box="[1317,1487,738,790]" class="Reptilia" family="Dinodontidae" genus="Laelaps" higherTaxonomySource="CoL" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Arthropoda" rank="genus">Laelaps</taxonomicName>
and
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[1628,1804,738,790]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Dinodon</taxonomicName>
identical,&quot; and on p. 199: * * “An enemy which may perhaps on nearer comparison of corresponding parts prove to be another species of the same genus, until now supposed to be different, under the names of
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[682,889,963,1016]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Dinodon</taxonomicName>
and
<taxonomicName authorityName="Cope" authorityYear="1866" box="[1040,1221,963,1016]" class="Reptilia" family="Dinodontidae" genus="Laelaps" higherTaxonomySource="CoL" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Arthropoda" rank="genus">Laelaps</taxonomicName>
.” It is thus sufficiently obvious that the proposition is to refer Laelaps as a synonym of of
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[282,498,1079,1131]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Dinodon</taxonomicName>
. It appears to me, on the other hand, that is contrary to the rules of nomenclature, and the principles which lie at their root, and that the name
<taxonomicName authority="Leidy, 1868" box="[991,1287,1186,1238]" class="Reptilia" family="Dinodontidae" genus="Aublysodon" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Aublysodon</taxonomicName>
is a synonvm of Dinodon.
</paragraph>
<paragraph blockId="1.[201,1808,399,3260]" pageId="1" pageNumber="416">
This is, however, on the supposition that Leidy had left the question open or uncertain, as to which of the two forms of teeth was characteristic of his genus
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[1029,1256,1410,1462]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Dinodon</taxonomicName>
. I think, however, he has not left it undecided, and I am supported in this by the opinion of von Meyer.
</paragraph>
<paragraph blockId="1.[201,1808,399,3260]" pageId="1" pageNumber="416">
The teeth of
<taxonomicName authorityName="Cope" authorityYear="1866" box="[595,773,1576,1629]" class="Reptilia" family="Dinodontidae" genus="Laelaps" higherTaxonomySource="CoL" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Arthropoda" rank="genus">Laelaps</taxonomicName>
, both from New Jersey and Nebraska, do not differ from those of
<taxonomicName authority="Buckland, 1824" box="[855,1200,1635,1688]" class="Reptilia" family="Megalosauridae" genus="Megalosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Megalosaurus</taxonomicName>
, while those of
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[1622,1792,1635,1687]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Dinodon</taxonomicName>
do. It was not to be supposed that
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[1127,1334,1691,1744]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Dinodon</taxonomicName>
was established on teeth of the former character, as the practice of describing species and genera, without a basis of distinctive characters, is an unusual and bad one, and ought not to be tolerated in natural science.* In describing
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[861,1077,1912,1965]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Dinodon</taxonomicName>
, Leidy says the Laelaps-like teeth resemble those of
<taxonomicName authority="Buckland, 1824" box="[805,1148,1966,2019]" class="Reptilia" family="Megalosauridae" genus="Megalosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Megalosaurus</taxonomicName>
, and in his recent article in the Proc. Academy (p. 1 98), that they are “identical in character with those of
<taxonomicName authority="Buckland, 1824" box="[565,911,2100,2152]" class="Reptilia" family="Megalosauridae" genus="Megalosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Megalosaurus</taxonomicName>
.”
</paragraph>
<paragraph blockId="1.[201,1808,399,3260]" pageId="1" pageNumber="416">
He, however, specifies that the truncate teeth of
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[1523,1710,2143,2196]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Dinodon</taxonomicName>
are really those that characterize it, in the following words: ‘‘As the entire dentition of
<taxonomicName authority="Buckland, 1824" box="[770,1104,2244,2297]" class="Reptilia" family="Megalosauridae" genus="Megalosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Megalosaurus</taxonomicName>
has not yet been ascertained, it may turn out to be the case that in other parts of the jaws than those known it possesses teeth like the ones above described as pe culiar. Should, on future discovery, such a condition of things be proved to exist,
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[719,944,2472,2525]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Dinodon</taxonomicName>
would then cease to be anything more than a second species of
<taxonomicName authority="Buckland, 1824" box="[954,1296,2530,2583]" class="Reptilia" family="Megalosauridae" genus="Megalosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Megalosaurus</taxonomicName>
.” The truncate teeth are then the “ peculiar” feature of
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[1080,1296,2588,2641]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Dinodon</taxonomicName>
, and all that prevents the species from being referred to
<taxonomicName authority="Buckland, 1824" box="[1059,1398,2671,2723]" class="Reptilia" family="Megalosauridae" genus="Megalosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Megalosaurus</taxonomicName>
..
</paragraph>
<paragraph blockId="1.[201,1808,399,3260]" lastBlockId="2.[83,1678,438,3274]" lastPageId="2" lastPageNumber="417" pageId="1" pageNumber="416">
Von Meyer has understood this language as I have, and has believed that the teeth now ascribed by Leidy to
<taxonomicName authority="Leidy, 1868" box="[1439,1715,2759,2812]" class="Reptilia" family="Dinodontidae" genus="Aublysodon" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Aublysodon</taxonomicName>
, are really characteristic of
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[831,1047,2812,2864]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Dinodon</taxonomicName>
. He says (Palaeontographica, vii, p. 267) that while some of the teeth are identical with those of
<taxonomicName authority="Buckland, 1824" box="[265,610,2927,2980]" class="Reptilia" family="Megalosauridae" genus="Megalosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="416" phylum="Chordata" rank="genus">Megalosaurus</taxonomicName>
, “the others indicate such peculiarity, that Leidy,
<emphasis box="[88,162,441,493]" italics="true" pageId="2" pageNumber="417">who</emphasis>
has made
<emphasis bold="true" box="[412,488,441,494]" pageId="2" pageNumber="417">the</emphasis>
investigation, thought
<emphasis bold="true" box="[1084,1118,441,493]" pageId="2" pageNumber="417">it</emphasis>
necessary to
<emphasis box="[87,190,497,549]" italics="true" pageId="2" pageNumber="417">characterize</emphasis>
the
<emphasis bold="true" box="[311,470,497,549]" pageId="2" pageNumber="417">animal</emphasis>
as distinct
<emphasis bold="true" box="[794,906,497,550]" pageId="2" pageNumber="417">from</emphasis>
<taxonomicName authority="Buckland, 1824" box="[926,1254,497,550]" class="Reptilia" family="Megalosauridae" genus="Megalosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="2" pageNumber="417" phylum="Chordata" rank="genus">
<emphasis box="[926,1254,497,550]" italics="true" pageId="2" pageNumber="417">Megalosaurus</emphasis>
</taxonomicName>
, under the
<emphasis box="[1529,1648,497,550]" italics="true" pageId="2" pageNumber="417">name</emphasis>
of
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[138,580,559,612]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="2" pageNumber="417" phylum="Chordata" rank="species" species="horridus">
<emphasis box="[138,580,559,612]" italics="true" pageId="2" pageNumber="417">Dinodon horridus</emphasis>
</taxonomicName>
”
</paragraph>
<footnote pageId="1" pageNumber="416">
<paragraph blockId="1.[201,1808,399,3260]" box="[297,1660,3028,3069]" pageId="1" pageNumber="416">* Falconer says of it: “It assumes a difference on theoretical grounds,</paragraph>
<paragraph blockId="1.[201,1808,399,3260]" pageId="1" pageNumber="416">wherethe direct evidence, so far as it goes, indicates the contrary; and its general tion would tend to arrest on the threshold the investigation of the means through which remote geographical forms, presenting common characters, may started from a common origin.—(Nat. Hist. Review, 1863, p. 64.)</paragraph>
</footnote>
<paragraph blockId="2.[83,1678,438,3274]" pageId="2" pageNumber="417">
It is therefore
<emphasis box="[459,640,607,660]" italics="true" pageId="2" pageNumber="417">evident</emphasis>
<emphasis bold="true" box="[659,758,607,659]" pageId="2" pageNumber="417">that</emphasis>
the Laelaps-like teeth described
<emphasis italics="true" pageId="2" pageNumber="417">
under
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[159,352,665,717]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="2" pageNumber="417" phylum="Chordata" rank="genus">Dinodon</taxonomicName>
</emphasis>
are really those that require a
<emphasis box="[1196,1288,665,717]" italics="true" pageId="2" pageNumber="417">new</emphasis>
name, it any. I
<emphasis box="[118,281,720,773]" italics="true" pageId="2" pageNumber="417">will not</emphasis>
give
<emphasis bold="true" box="[425,545,720,773]" pageId="2" pageNumber="417">them</emphasis>
a name,
<emphasis bold="true" box="[774,984,720,773]" pageId="2" pageNumber="417">however</emphasis>
, since there is
<emphasis box="[1363,1416,720,773]" italics="true" pageId="2" pageNumber="417">no</emphasis>
evidence that they differ
<emphasis box="[453,565,776,829]" italics="true" pageId="2" pageNumber="417">from</emphasis>
either
<taxonomicName authority="Buckland, 1824" box="[772,1103,776,829]" class="Reptilia" family="Megalosauridae" genus="Megalosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="2" pageNumber="417" phylum="Chordata" rank="genus">Megalosaurus</taxonomicName>
<emphasis bold="true" box="[1121,1169,776,828]" pageId="2" pageNumber="417">or</emphasis>
<taxonomicName authorityName="Cope" authorityYear="1866" box="[1200,1371,776,828]" class="Reptilia" family="Dinodontidae" genus="Laelaps" higherTaxonomySource="CoL" kingdom="Animalia" order="Dinosauria" pageId="2" pageNumber="417" phylum="Arthropoda" rank="genus">
<emphasis box="[1200,1371,776,828]" italics="true" pageId="2" pageNumber="417">Laelaps</emphasis>
</taxonomicName>
,
<emphasis box="[1412,1575,776,828]" italics="true" pageId="2" pageNumber="417">though</emphasis>
of course the
<emphasis bold="true" box="[319,589,831,883]" pageId="2" pageNumber="417">probability</emphasis>
is,
<emphasis box="[682,778,831,884]" italics="true" pageId="2" pageNumber="417">that</emphasis>
<emphasis bold="true" box="[801,1161,831,884]" pageId="2" pageNumber="417">they belong to</emphasis>
a species
<emphasis bold="true" box="[1413,1452,831,884]" pageId="2" pageNumber="417">of</emphasis>
the latter
<emphasis box="[154,284,900,952]" italics="true" pageId="2" pageNumber="417">genus</emphasis>
.
</paragraph>
<paragraph blockId="2.[83,1678,438,3274]" pageId="2" pageNumber="417">
Although
<emphasis box="[358,822,941,994]" italics="true" pageId="2" pageNumber="417">
<taxonomicName authority="Leidy, 1868" box="[358,653,941,993]" class="Reptilia" family="Dinodontidae" genus="Aublysodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="2" pageNumber="417" phylum="Chordata" rank="genus">
<emphasis bold="true" box="[358,653,941,993]" italics="true" pageId="2" pageNumber="417">Aublysodon</emphasis>
</taxonomicName>
would
</emphasis>
thus
<emphasis bold="true" box="[988,1043,941,994]" pageId="2" pageNumber="417">be</emphasis>
a synonym
<emphasis box="[1370,1410,941,994]" italics="true" pageId="2" pageNumber="417">ot</emphasis>
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[1441,1645,941,993]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="2" pageNumber="417" phylum="Chordata" rank="genus">Dinodon</taxonomicName>
.
<emphasis box="[87,272,999,1052]" italics="true" pageId="2" pageNumber="417">it is not</emphasis>
an altogether useless name, since the latter
<emphasis box="[1411,1495,999,1052]" italics="true" pageId="2" pageNumber="417">was</emphasis>
given
<emphasis box="[89,188,1054,1107]" italics="true" pageId="2" pageNumber="417">years</emphasis>
ago
<emphasis bold="true" box="[331,378,1054,1107]" pageId="2" pageNumber="417">to</emphasis>
a genus
<emphasis box="[628,681,1054,1106]" italics="true" pageId="2" pageNumber="417">of</emphasis>
serpents by Duméril and Bibron, and may therefore be
<emphasis box="[491,758,1110,1162]" italics="true" pageId="2" pageNumber="417">suppressed</emphasis>
. The name of
<emphasis box="[1156,1656,1110,1163]" italics="true" pageId="2" pageNumber="417">the family Dinodontidiae</emphasis>
also, which I gave in compliment
<emphasis bold="true" box="[1053,1100,1165,1218]" pageId="2" pageNumber="417">to</emphasis>
Dr.
<emphasis box="[1212,1352,1165,1217]" italics="true" pageId="2" pageNumber="417">Leidy</emphasis>
, may
<emphasis box="[1499,1647,1165,1218]" italics="true" pageId="2" pageNumber="417">also be</emphasis>
disused.
</paragraph>
<paragraph blockId="2.[83,1678,438,3274]" pageId="2" pageNumber="417">
In the
<emphasis bold="true" box="[278,396,1277,1330]" pageId="2" pageNumber="417">same</emphasis>
<emphasis box="[418,520,1277,1330]" italics="true" pageId="2" pageNumber="417">way</emphasis>
, a genus
<emphasis box="[759,812,1277,1329]" italics="true" pageId="2" pageNumber="417">of</emphasis>
<emphasis bold="true" box="[832,998,1277,1329]" pageId="2" pageNumber="417">extinct</emphasis>
reptiles
<emphasis box="[1228,1315,1277,1329]" italics="true" pageId="2" pageNumber="417">was</emphasis>
distinguished as
<taxonomicName authority="Leidy, 1865" box="[150,522,1336,1388]" class="Reptilia" family="Colubridae" genus="Tomodon" kingdom="Animalia" order="Squamata" pageId="2" pageNumber="417" phylum="Chordata" rank="genus">
<emphasis box="[150,355,1336,1388]" italics="true" pageId="2" pageNumber="417">Tomodon</emphasis>
Leidy
</taxonomicName>
, a name long since given to a
<emphasis box="[1274,1408,1336,1388]" italics="true" pageId="2" pageNumber="417">genus</emphasis>
of
<emphasis box="[91,163,1390,1443]" italics="true" pageId="2" pageNumber="417">American</emphasis>
serpents.
<emphasis box="[442,537,1390,1442]" italics="true" pageId="2" pageNumber="417">Not</emphasis>
liking
<emphasis bold="true" box="[722,768,1390,1443]" pageId="2" pageNumber="417">to</emphasis>
substitute a generic
<emphasis box="[1301,1422,1390,1443]" italics="true" pageId="2" pageNumber="417">name</emphasis>
given by
<emphasis box="[90,248,1444,1497]" italics="true" pageId="2" pageNumber="417">another</emphasis>
,
<emphasis bold="true" box="[275,335,1444,1497]" pageId="2" pageNumber="417">by</emphasis>
one
<emphasis bold="true" box="[454,506,1444,1496]" pageId="2" pageNumber="417">of</emphasis>
my
<emphasis box="[626,735,1444,1497]" italics="true" pageId="2" pageNumber="417">own</emphasis>
, I have requested
<emphasis box="[1229,1294,1444,1496]" italics="true" pageId="2" pageNumber="417">Dr</emphasis>
.
<emphasis bold="true" box="[1326,1452,1444,1497]" pageId="2" pageNumber="417">Leidy</emphasis>
to
<emphasis italics="true" pageId="2" pageNumber="417">give me one</emphasis>
by which
<emphasis bold="true" box="[496,738,1518,1570]" pageId="2" pageNumber="417">to replace</emphasis>
it.
</paragraph>
<paragraph blockId="2.[83,1678,438,3274]" box="[130,1173,1570,1623]" pageId="2" pageNumber="417">
The synonymy
<emphasis box="[494,549,1570,1622]" italics="true" pageId="2" pageNumber="417">of</emphasis>
these genera will
<emphasis bold="true" box="[997,1099,1570,1622]" pageId="2" pageNumber="417">then</emphasis>
be
</paragraph>
<paragraph blockId="2.[83,1678,438,3274]" box="[703,1047,1653,1705]" pageId="2" pageNumber="417">
<emphasis bold="true" box="[703,1047,1653,1705]" pageId="2" pageNumber="417">
<taxonomicName authorityName="Cope" authorityYear="1866" box="[703,1041,1653,1705]" class="Reptilia" family="Dinodontidae" genus="Laelaps" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Dinosauria" pageId="2" pageNumber="417" phylum="Chordata" rank="genus">Laelaps Cope</taxonomicName>
.
</emphasis>
</paragraph>
</subSubSection>
<subSubSection box="[135,973,1718,1771]" pageId="2" pageNumber="417" type="reference_group">
<paragraph blockId="2.[83,1678,438,3274]" box="[135,973,1718,1771]" pageId="2" pageNumber="417">
<taxonomicName authorityName="Leidy" authorityYear="1856" box="[135,334,1718,1770]" class="Reptilia" family="Deinodontidae" genus="Dinodon" kingdom="Animalia" order="Dinosauria" pageId="2" pageNumber="417" phylum="Chordata" rank="genus">
<emphasis box="[135,334,1718,1770]" italics="true" pageId="2" pageNumber="417">Dinodon</emphasis>
</taxonomicName>
<treatmentCitation author="Leidy" box="[354,657,1718,1771]" httpUri="http://treatment.plazi.org/id/BB1087B9-FFBD-FFC3-C49F-8355FC3A9E30" pageId="2" pageNumber="417" rank="genus" treatmentCitationLabel="inPart" year="1868">
<bibRefCitation box="[354,648,1718,1771]" pageId="2" pageNumber="417">
<emphasis bold="true" box="[354,502,1718,1771]" pageId="2" pageNumber="417">Leidy</emphasis>
, 1868
</bibRefCitation>
,
</treatmentCitation>
<emphasis box="[678,829,1718,1771]" italics="true" pageId="2" pageNumber="417">
not
<emphasis bold="true" box="[778,829,1718,1771]" italics="true" pageId="2" pageNumber="417">of</emphasis>
</emphasis>
1857.
</paragraph>
</subSubSection>
<subSubSection box="[135,1537,1765,1818]" pageId="2" pageNumber="417" type="synonymic_list">
<paragraph blockId="2.[83,1678,438,3274]" box="[135,1537,1765,1818]" pageId="2" pageNumber="417">
<taxonomicName authorityName="Cope" authorityYear="1866" box="[135,792,1765,1818]" class="Reptilia" family="Dinodontidae" genus="Laelaps" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Dinosauria" pageId="2" pageNumber="417" phylum="Chordata" rank="species" species="aquilunguis" status="sp. n.">Laelaps aquilunguis Cope</taxonomicName>
,
<treatmentCitation author="Cope" box="[821,1531,1765,1818]" httpUri="http://treatment.plazi.org/id/A52387D3-0775-FFC1-FF97-FAB1B85ED2A6" pageId="2" pageNumber="417" rank="species" treatmentCitationLabel="belongsTo" year="1866">Proc. Ac. Nat Sci. Phil., 1866</treatmentCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>
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