Page:Walcott Cambrian Geology and Paleontology II.djvu/330

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 * colspan="5" align="center" | DESCRIPTION OF PLATE 34
 * colspan="4" |
 * align="right" | PAGE
 * colspan="4" | Hurdia triangulata Walcott
 * align="right" | 186
 * - valign="top"
 * width="15px" |
 * 1.
 * style="text-indent:-10px;padding-left:10px;" | (Natural size.) Typical form of valve (right). U. S. National Museum, Catalogue No. 57721.
 * colspan="4" | Odaraia alata Walcott
 * align="right" | 188
 * - valign="top"
 * 2.
 * style="text-indent:-10px;padding-left:10px;" | (Natural size.) A right valve with the end of the abdomen and two cercopods projecting from posterior end. The latter are evidently displaced. U. S. National Museum, Catalogue No. 57722.
 * colspan="4" | Anomalocaris gigantea Walcott
 * align="right" | 180
 * - valign="top"
 * 3.
 * style="text-indent:-10px;padding-left:10px;" | (Natural size.) Portion of the abdomen showing segments and appendages. U. S. National Museum, Catalogue No. 57723.
 * }
 * style="text-indent:-10px;padding-left:10px;" | (Natural size.) A right valve with the end of the abdomen and two cercopods projecting from posterior end. The latter are evidently displaced. U. S. National Museum, Catalogue No. 57722.
 * colspan="4" | Anomalocaris gigantea Walcott
 * align="right" | 180
 * - valign="top"
 * 3.
 * style="text-indent:-10px;padding-left:10px;" | (Natural size.) Portion of the abdomen showing segments and appendages. U. S. National Museum, Catalogue No. 57723.
 * }
 * 3.
 * style="text-indent:-10px;padding-left:10px;" | (Natural size.) Portion of the abdomen showing segments and appendages. U. S. National Museum, Catalogue No. 57723.
 * }

All of the specimens illustrated on Plate 34 are from locality (35k) Middle Cambrian: Burgess shale member of the Stephen formation, on the west slope of the ridge between Mount Field and Wapta Peak, one mile (1.6 km.) northeast of Burgess Pass, above Field, British Columbia.