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<document ID-DOI="10.5281/zenodo.3233762" ID-GBIF-Dataset="1fa3e048-6e17-4084-926c-3c77dabfffc9" ID-Zenodo-Dep="3233762" checkinTime="1558345999284" checkinUser="jeremy" docAuthor="Lambe L. M." docDate="1902" docId="03BAEA64B53B407871E3F5A8FDA8D753" docLanguage="en" docName="Lambe1902BellyRiver.pdf.imf" docOrigin="Geological Survey of Canada Contributions to Canadian Palaeontology 3" docStyle="DocumentStyle{}" docTitle="Trionyx vagans Cope 1874" docType="treatment" docVersion="31" lastPageNumber="38" masterDocId="FF83921CB5304075723EFF8AFFC4DF29" masterDocTitle="New genera and species from the Belly River Series (mid-Cretaceous)" masterLastPageNumber="81" masterPageNumber="25" pageNumber="36" updateTime="1673868275023" updateUser="jeremy">
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<mods:titleInfo>
<mods:title>New genera and species from the Belly River Series (mid-Cretaceous)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Lambe L. M.</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
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<mods:titleInfo>
<mods:title>Geological Survey of Canada Contributions to Canadian Palaeontology</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>1902</mods:date>
<mods:detail type="volume">
<mods:number>3</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>25</mods:start>
<mods:end>81</mods:end>
</mods:extent>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.5281/zenodo.3233762</mods:identifier>
<mods:identifier type="GBIF-Dataset">1fa3e048-6e17-4084-926c-3c77dabfffc9</mods:identifier>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.4583863" ID-GBIF-Taxon="157292461" ID-Zenodo-Dep="4583863" LSID="urn:lsid:plazi:treatment:03BAEA64B53B407871E3F5A8FDA8D753" httpUri="http://treatment.plazi.org/id/03BAEA64B53B407871E3F5A8FDA8D753" lastPageId="13" lastPageNumber="38" pageId="11" pageNumber="36">
<subSubSection box="[989,1466,2594,2625]" pageId="11" pageNumber="36" type="nomenclature">
<paragraph blockId="11.[989,1466,2585,2628]" box="[989,1466,2594,2625]" pageId="11" pageNumber="36">
<heading box="[989,1466,2594,2625]" centered="true" fontSize="8" level="9" pageId="11" pageNumber="36" reason="4">
<taxonomicName authority="Cope 1874" authorityName="Cope" authorityYear="1874" box="[989,1336,2594,2624]" class="Reptilia" family="Trionychidae" genus="Trionyx" kingdom="Animalia" order="Testudines" pageId="11" pageNumber="36" phylum="Chordata" rank="species" species="vagans">
<emphasis box="[989,1163,2594,2624]" italics="true" pageId="11" pageNumber="36">Trionyx</emphasis>
vagans
</taxonomicName>
. Cope.
</heading>
</paragraph>
</subSubSection>
<subSubSection box="[1018,1435,2688,2717]" pageId="11" pageNumber="36" type="description">
<paragraph blockId="11.[1018,1435,2677,2722]" box="[1018,1435,2688,2717]" pageId="11" pageNumber="36">
<figureCitation box="[1018,1429,2688,2717]" captionStart="PLATE I" captionStartId="58.[1152,1288,1401,1430]" captionTargetPageId="59" captionText="PLATE I. Fig. 1. Trionyx foveatus, Leidy, upper surface of the carapace shown in figure l, p. 34, * one-half the “ nhn-n] cian puma 22 JÃIUUUICUI Dllıbı J. luau LII-Ia Fig. 2. Trionyx ƒoveatus, lower or outer surface of a right hypoplastral bone; natural size. Page 35, Fig. 3. Trionyx vagans, Cope, upper surface of carapace shown on page 37, figure 3,' slightly less than one-fourth natural size. Page 36. Fig. 4. Portion of the upper surface of thc same carapace, natural size; to show the sculpture." httpUri="https://zenodo.org/record/3233808/files/figure.png" pageId="11" pageNumber="36">Plate I, figs. 3 and 4</figureCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="11" pageNumber="36" type="reference_group">
<paragraph blockId="11.[337,2111,2770,2956]" pageId="11" pageNumber="36">
<taxonomicName authority=", Cope. 1874" authorityName="Cope." authorityYear="1874" box="[418,910,2779,2802]" class="Reptilia" family="Trionychidae" genus="Trionyx" kingdom="Animalia" order="Testudines" pageId="11" pageNumber="36" phylum="Chordata" rank="species" species="vagans">
<emphasis box="[418,678,2779,2802]" italics="true" pageId="11" pageNumber="36">Trionyx vagans</emphasis>
, Cope. 1874
</taxonomicName>
. Bull.,
<emphasis box="[1066,1099,2780,2803]" italics="true" pageId="11" pageNumber="36">U</emphasis>
. S.
<emphasis box="[1168,1244,2782,2801]" italics="true" pageId="11" pageNumber="36">Geol</emphasis>
.
<emphasis box="[1267,1346,2782,2802]" italics="true" pageId="11" pageNumber="36">Surv</emphasis>
.
<emphasis box="[1369,1463,2784,2802]" italics="true" pageId="11" pageNumber="36">Terrs</emphasis>
., No. 2,
<emphasis box="[1618,1639,2790,2806]" italics="true" pageId="11" pageNumber="36">p</emphasis>
. 27: and 1875, Vertebrata
<emphasis box="[337,368,2832,2851]" italics="true" pageId="11" pageNumber="36">of</emphasis>
Cretaceous
<emphasis box="[581,768,2828,2850]" italics="true" pageId="11" pageNumber="36">Formations</emphasis>
of the
<emphasis box="[902,990,2828,2851]" italics="true" pageId="11" pageNumber="36">West</emphasis>
, p. 96, pi. vi,
<figureCitation box="[1231,1348,2830,2850]" captionStart="FIG" captionStartId="32.[614,666,2338,2361]" captionTargetBox="[1543,1892,1439,2291]" captionTargetPageId="32" captionText="FIG. 13. -Stereocephalus tutus. Dermal plate from Red Deer river one - sixth the natural size. A, side view; B, view from above. Provisionally associated with S. tutus.)" httpUri="https://zenodo.org/record/3233786/files/figure.png" pageId="11" pageNumber="36">figs. 13</figureCitation>
and 14.
</paragraph>
<paragraph blockId="11.[337,2111,2770,2956]" pageId="11" pageNumber="36">
<taxonomicName authority=", Lambe. 1902" authorityName="Lambe." authorityYear="1902" box="[418,947,2883,2907]" class="Reptilia" family="Trionychidae" genus="Trionyx" kingdom="Animalia" order="Testudines" pageId="11" pageNumber="36" phylum="Chordata" rank="species" species="vagans">
<emphasis box="[418,679,2884,2907]" italics="true" pageId="11" pageNumber="36">Trionyx vagans</emphasis>
, Lambe. 1902
</taxonomicName>
.
<emphasis box="[996,1072,2887,2906]" italics="true" pageId="11" pageNumber="36">Geol</emphasis>
.
<emphasis box="[1105,1221,2884,2907]" italics="true" pageId="11" pageNumber="36">Survey</emphasis>
of Canada, Summary
<emphasis box="[1632,1749,2886,2909]" italics="true" pageId="11" pageNumber="36">Report</emphasis>
for 1901, p. 8], pis. iii and iv.
</paragraph>
</subSubSection>
<subSubSection lastPageId="13" lastPageNumber="38" pageId="12" pageNumber="37" type="description">
<paragraph blockId="12.[165,941,412,1429]" pageId="12" pageNumber="37">
This species was first described from &quot; a ntimber of fragments
<emphasis box="[777,812,472,493]" italics="true" pageId="12" pageNumber="37">of</emphasis>
costal boues and perhaps of sternals also from the &quot; Lignite Cretaceous of
<emphasis box="[836,935,575,599]" italics="true" pageId="12" pageNumber="37">Colorado</emphasis>
; near the mouth of the Big Horn river, Montana; Long lake, Nebraska; found at the
<emphasis box="[434,502,739,759]" italics="true" pageId="12" pageNumber="37">last</emphasis>
two localities by
<emphasis box="[875,928,735,759]" italics="true" pageId="12" pageNumber="37">Dr</emphasis>
. Hayden.&quot; Later, in 18
<emphasis box="[596,631,788,812]" italics="true" pageId="12" pageNumber="37">Y</emphasis>
5,in &quot;TheVertebrata of the Cretaceous Formations of the West&quot; thesamedescription appears; this time with figures of two fragments of costal bones.
</paragraph>
<paragraph blockId="12.[165,941,412,1429]" pageId="12" pageNumber="37">
<emphasis box="[255,287,1086,1124]" italics="true" pageId="12" pageNumber="37">A</emphasis>
carapace (
<figureCitation box="[500,593,1100,1120]" captionStart="Fig" captionStartId="12.[983,1034,1296,1324]" captionTargetBox="[983,1951,400,1286]" captionTargetPageId="12" captionText="Fig. 3. Carapace of Trionyx vagansi, from Red Deer; a, out line of the traverse curve of its upper surface. One-eighth the natural size. Letters as in figure 1, page 34." httpUri="https://zenodo.org/record/3233768/files/figure.png" pageId="12" pageNumber="37" targetBox="[983,1951,400,1286]" targetPageId="12">fig. 3</figureCitation>
) referable to this species, was obtained in 1901, from the Belly River series of Red Deer river below Berry creek.
</paragraph>
<caption httpUri="https://zenodo.org/record/3233768/files/figure.png" pageId="12" pageNumber="37" startId="12.[983,1034,1296,1324]" subCaptionStartIDs="12.[1469,1552,1387,1404]" subCaptionStarts="figure 1" targetBox="[983,1951,400,1286]" targetPageId="12">
<paragraph blockId="12.[983,1966,1296,1406]" pageId="12" pageNumber="37">
Fig. 3. Carapace of
<taxonomicName authority="Cope 1874" authorityName="Cope" authorityYear="1874" box="[1331,1566,1302,1326]" class="Reptilia" family="Trionychidae" genus="Trionyx" kingdom="Animalia" order="Testudines" pageId="12" pageNumber="36" phylum="Chordata" rank="genus">Trionyx vagans</taxonomicName>
i, from Red Deer; a, out line of the traverse curve of its upper surface. One-eighth the natural size. Letters as in
<figureCitation box="[1469,1581,1387,1406]" captionStart="Fig" captionStartId="12.[983,1034,1296,1324]" captionTargetBox="[983,1951,400,1286]" captionTargetPageId="9" captionText="Fig. 3. Carapace of Trionyx vagansi, from Red Deer; a, out line of the traverse curve of its upper surface. One-eighth the natural size. Letters as in figure 1, page 34." httpUri="https://zenodo.org/record/3233768/files/figure.png" pageId="12" pageNumber="37">
<emphasis box="[1469,1552,1387,1404]" italics="true" pageId="12" pageNumber="37">figure</emphasis>
1
</figureCitation>
, page 34.
</paragraph>
</caption>
<paragraph blockId="12.[165,941,412,1429]" lastBlockId="13.[363,2152,430,866]" lastPageId="13" lastPageNumber="38" pageId="12" pageNumber="37">
It is broader than
<emphasis box="[604,692,1350,1373]" italics="true" pageId="12" pageNumber="37">long</emphasis>
, the breadth
<emphasis box="[167,364,1403,1429]" italics="true" pageId="12" pageNumber="37">exceeding</emphasis>
the
<emphasis box="[450,576,1401,1426]" italics="true" pageId="12" pageNumber="37">length</emphasis>
by more than one-sixth, and is only moderately convex. In outline, as seen from above,
<emphasis box="[1537,1566,1462,1479]" italics="true" pageId="12" pageNumber="37">it</emphasis>
is flat behind with the sides curving broadly
<emphasis box="[699,734,1512,1533]" italics="true" pageId="12" pageNumber="37">to</emphasis>
the front margin, at the centre of which there is a shallow concavity.
<emphasis box="[416,491,1559,1589]" italics="true" pageId="12" pageNumber="37">The</emphasis>
shell protrudes where the ribs pass outward from beneath, causing the lateral margin to be sinuous, the sinuosity being most marked toward the front in the
<emphasis box="[167,246,1678,1695]" italics="true" pageId="12" pageNumber="37">first</emphasis>
, second and third pairs of costal plates. Of the eight pairs of costals, the first costals are the broadest at the inner ends, whilst the
<emphasis box="[1097,1180,1729,1749]" italics="true" pageId="12" pageNumber="37">fifth</emphasis>
are the broadest
<emphasis box="[1525,1677,1727,1748]" italics="true" pageId="12" pageNumber="37">distally</emphasis>
. The seventh costals are extremely narrow throughout their
<emphasis box="[1088,1217,1777,1803]" italics="true" pageId="12" pageNumber="37">length</emphasis>
and the eighth pair is w^
<emphasis box="[1706,1746,1781,1802]" italics="true" pageId="12" pageNumber="37">ell</emphasis>
developed. The first costals increase in breadth rather suddenly at their outer ends and are separated by a divided
<emphasis box="[436,512,1889,1907]" italics="true" pageId="12" pageNumber="37">first</emphasis>
neural plate.
<emphasis box="[829,904,1881,1911]" italics="true" pageId="12" pageNumber="37">The</emphasis>
neurals gradually decrease in breadth to the fifth^ their sides being not so nearly parallel to each other as those of the corresponding plates in
<taxonomicName box="[234,442,1993,2016]" class="Reptilia" family="Trionychidae" genus="Trionyx" kingdom="Animalia" order="Testudines" pageId="12" pageNumber="37" phylum="Chordata" rank="species" species="foveatus">T.foveatus</taxonomicName>
. The sixth and last neural is very much reduced in size and is irregularly oval m outline. Of the protruding rib-ends, all the six of the
<emphasis box="[1442,1507,2048,2067]" italics="true" pageId="12" pageNumber="37">left</emphasis>
side were secured, in a fair state of preservation, except the one belonging
<emphasis box="[1235,1270,2102,2123]" italics="true" pageId="12" pageNumber="37">to</emphasis>
the
<emphasis box="[1357,1434,2103,2121]" italics="true" pageId="12" pageNumber="37">first</emphasis>
costal and
<emphasis box="[1661,1689,2104,2121]" italics="true" pageId="12" pageNumber="37">it</emphasis>
was obtained in part. The rib-heads are well developed. In the figure, the nuchal plate is represented as entire.
<emphasis box="[397,446,2201,2230]" italics="true" pageId="12" pageNumber="37">Of</emphasis>
the carapace under consideration, the central part only of the nuchal plate, extending from the margin in front to the suture behind, was found, but fortunately the
<emphasis box="[173,237,2316,2335]" italics="true" pageId="12" pageNumber="37">left</emphasis>
end of a nuchal, of another individual of similar size, showing the
<emphasis box="[1635,1699,2315,2334]" italics="true" pageId="12" pageNumber="37">left</emphasis>
front margin and the suture between the plate and the
<emphasis box="[1066,1143,2371,2389]" italics="true" pageId="12" pageNumber="37">first</emphasis>
costal with part of the latter adherent, supplied the deficiency. The sculpture consists
<emphasis box="[1148,1185,2421,2443]" italics="true" pageId="12" pageNumber="37">of</emphasis>
a network of narrow ridges, ramifying and
<emphasis box="[258,501,2471,2495]" italics="true" pageId="12" pageNumber="37">inosculating</emphasis>
so as to enclose small, sunken areae of
<emphasis box="[1290,1466,2472,2495]" italics="true" pageId="12" pageNumber="37">irregular</emphasis>
shape and size, the arese being generally wider than the ridges are broad. The frequent confluence of a varying number of arete results in a more open pattern, the ridges at times showing a tendency to run in parallel lines. The sculpture is not so distinctly defined near the sides of the carapace as
<emphasis box="[225,254,2690,2707]" italics="true" pageId="12" pageNumber="37">it</emphasis>
is toward and at the centre and anteriorly, but in the hinder part
<emphasis box="[1580,1609,2690,2707]" italics="true" pageId="12" pageNumber="37">it</emphasis>
is more decidedly rugose, the ridges being here higher and the enclosed areae
<emphasis box="[1390,1510,2740,2762]" italics="true" pageId="12" pageNumber="37">larger</emphasis>
. Near the intercostal.sutures, more particularly in the inner halves of the costal bones, the scrrlpture is partially effaced and consists of
<emphasis box="[635,709,2843,2867]" italics="true" pageId="12" pageNumber="37">low</emphasis>
, poorly defined parallel ridges at right angles to the sutures, forming a distinct border, with a maximum breadth of about 5 mm.
<emphasis box="[1600,1631,2888,2925]" italics="true" pageId="12" pageNumber="37">A</emphasis>
smooth border. broadest at the sides of the carapace aud narrowest in front, extends along the whole of the peripheral edge.
</paragraph>
<paragraph blockId="13.[363,2152,430,866]" pageId="13" pageNumber="38">As regards a divided first neural in species of this genus, it is interesting to note that Lydekker, in describing T. melttensis, from the Miocene of Malta, in 1891 ^Quarterly- Journal of the G-eological Society, voL xlvii, p. 37, iig. 1), mentions the occurrence in the Miocene species of a divided first neural, and remarks 37) that &quot; all the fossil species (p. hitherto described, of which the entire carapace is known, agree with the normal type in having but a single long neural between the first pair of costals.&quot;</paragraph>
<paragraph blockId="13.[1151,1385,997,1019]" lastBlockId="13.[1920,1995,1036,1743]" pageId="13" pageNumber="38">
<table box="[528,1995,997,1746]" gridcols="2" gridrows="16" inLine="true" pageId="13" pageNumber="38">
<tr box="[1151,1385,997,1019]" gridrow="0" pageId="13" pageNumber="38" rowspan-1="1">
<th box="[528,1385,997,1019]" gridcol="0" gridrow="0" pageId="13" pageNumber="38">Measurements.</th>
</tr>
<tr box="[1934,1977,1036,1062]" gridrow="1" pageId="13" pageNumber="38" rowspan-0="1">
<td box="[1920,1995,1036,1062]" gridcol="1" gridrow="1" pageId="13" pageNumber="38">M.</td>
</tr>
<tr box="[528,1993,1085,1113]" gridrow="2" pageId="13" pageNumber="38">
<td box="[528,1385,1085,1113]" gridcol="0" gridrow="2" pageId="13" pageNumber="38">Length of carapace along median line (18 1/2 inches)</td>
<td box="[1920,1995,1085,1113]" gridcol="1" gridrow="2" pageId="13" pageNumber="38">470</td>
</tr>
<tr box="[530,1994,1134,1163]" gridrow="3" pageId="13" pageNumber="38">
<td box="[528,1385,1134,1163]" gridcol="0" gridrow="3" pageId="13" pageNumber="38">Maximum breadth of carapace (' 2/10 inches).</td>
<td box="[1920,1995,1134,1163]" gridcol="1" gridrow="3" pageId="13" pageNumber="38">590</td>
</tr>
<tr box="[530,1993,1182,1210]" gridrow="4" pageId="13" pageNumber="38">
<td box="[528,1385,1182,1210]" gridcol="0" gridrow="4" pageId="13" pageNumber="38">Breadth of first costal at inner end</td>
<td box="[1920,1995,1182,1210]" gridcol="1" gridrow="4" pageId="13" pageNumber="38">'075</td>
</tr>
<tr box="[528,1994,1233,1259]" gridrow="5" pageId="13" pageNumber="38">
<td box="[528,1385,1233,1259]" gridcol="0" gridrow="5" pageId="13" pageNumber="38">Thickness of same near inner end</td>
<td box="[1920,1995,1233,1259]" gridcol="1" gridrow="5" pageId="13" pageNumber="38">009</td>
</tr>
<tr box="[529,1993,1279,1307]" gridrow="6" pageId="13" pageNumber="38">
<td box="[528,1385,1279,1307]" gridcol="0" gridrow="6" pageId="13" pageNumber="38">Thickness of same at outer end,</td>
<td box="[1920,1995,1279,1307]" gridcol="1" gridrow="6" pageId="13" pageNumber="38">'012</td>
</tr>
<tr box="[528,1993,1329,1356]" gridrow="7" pageId="13" pageNumber="38">
<td box="[528,1385,1329,1356]" gridcol="0" gridrow="7" pageId="13" pageNumber="38">Breadth of fifth costal at outer end</td>
<td box="[1920,1995,1329,1356]" gridcol="1" gridrow="7" pageId="13" pageNumber="38">&quot;119</td>
</tr>
<tr box="[528,1993,1377,1405]" gridrow="8" pageId="13" pageNumber="38">
<td box="[528,1385,1377,1405]" gridcol="0" gridrow="8" pageId="13" pageNumber="38">Thickness of same at outer end</td>
<td box="[1920,1995,1377,1405]" gridcol="1" gridrow="8" pageId="13" pageNumber="38">&quot;013</td>
</tr>
<tr box="[530,1993,1425,1454]" gridrow="9" pageId="13" pageNumber="38">
<td box="[528,1385,1425,1454]" gridcol="0" gridrow="9" pageId="13" pageNumber="38">Breadth at mid-length of seventh costal</td>
<td box="[1920,1995,1425,1454]" gridcol="1" gridrow="9" pageId="13" pageNumber="38">-036</td>
</tr>
<tr box="[529,1994,1474,1502]" gridrow="10" pageId="13" pageNumber="38">
<td box="[528,1385,1474,1502]" gridcol="0" gridrow="10" pageId="13" pageNumber="38">Thickness at centre of eighth costal</td>
<td box="[1920,1995,1474,1502]" gridcol="1" gridrow="10" pageId="13" pageNumber="38">'010</td>
</tr>
<tr box="[529,1993,1523,1552]" gridrow="11" pageId="13" pageNumber="38">
<td box="[528,1385,1523,1552]" gridcol="0" gridrow="11" pageId="13" pageNumber="38">Maximum breadth of neural 1</td>
<td box="[1920,1995,1523,1552]" gridcol="1" gridrow="11" pageId="13" pageNumber="38">056</td>
</tr>
<tr box="[529,1994,1571,1600]" gridrow="12" pageId="13" pageNumber="38">
<td box="[528,1385,1571,1600]" gridcol="0" gridrow="12" pageId="13" pageNumber="38">Maximum breadth of neural la</td>
<td box="[1920,1995,1571,1600]" gridcol="1" gridrow="12" pageId="13" pageNumber="38">039</td>
</tr>
<tr box="[530,1995,1623,1648]" gridrow="13" pageId="13" pageNumber="38">
<td box="[528,1385,1623,1648]" gridcol="0" gridrow="13" pageId="13" pageNumber="38">Length of same</td>
<td box="[1920,1995,1623,1648]" gridcol="1" gridrow="13" pageId="13" pageNumber="38">043</td>
</tr>
<tr box="[530,1993,1669,1697]" gridrow="14" pageId="13" pageNumber="38">
<td box="[528,1385,1669,1697]" gridcol="0" gridrow="14" pageId="13" pageNumber="38">Thickness of nuchal plate at left end</td>
<td box="[1920,1995,1669,1697]" gridcol="1" gridrow="14" pageId="13" pageNumber="38">'018</td>
</tr>
<tr box="[529,1993,1720,1746]" gridrow="15" pageId="13" pageNumber="38">
<td box="[528,1385,1720,1746]" gridcol="0" gridrow="15" pageId="13" pageNumber="38">Length of vertebral centrum</td>
<td box="[1920,1995,1720,1746]" gridcol="1" gridrow="15" pageId="13" pageNumber="38">045</td>
</tr>
</table>
</paragraph>
</subSubSection>
<subSubSection pageId="13" pageNumber="38" type="materials_examined">
<paragraph blockId="13.[369,2160,1842,2170]" pageId="13" pageNumber="38">Belly River series, Eed Deer River, 1897, 1898 and 1901; besides the carapace above described, separate costals and neurals, and parts of the endoskeleton.</paragraph>
<paragraph blockId="13.[369,2160,1842,2170]" pageId="13" pageNumber="38">Also in 1880, Professor John Macoun, neurals and fragments of coatals, from Mackay creek, near Walsh, a station on the C. P. R., about twenty-eight miles east of Medicine Hat; aud in 1881, Dr. G-. M. Duwsou, from Belly river, N. W.T. (No. 41), fragments of costal bones.</paragraph>
</subSubSection>
</treatment>
</document>