index 559 



PAGE 



Calvinella tenuisculptas Walcott 467 



Calymene. . .118, 122, 125, 137, 159, 160, 162, 164, 165, 166, 167, 173, 196, 203-205 



ventral integument 155, 156 



Calymene and Ceraiirus, jointed epipodites of 419 



structure of exopodite of 412 



meeki Foerste 197 



figured, pi. 28, fig. 6 197 



figured, pi. 103, i\g. 13 453 



senaria Conrad 147, 394-400, 410, 411, 412, 419, 420, 421, 422 



figured, pis. 26, 27, 28, 33 193=198, 205 



figured, pi. 91 ; figs. 3-5 434 



pi. 95 ; figs. 14, 16, 18, 19 439 



pi. 96; figs. 1-3 440 



pi. 97 ; figs. 7-10 442 



pi. 98; fig. 11 445 



pi. 99; figs. 2, 4, 7, 9 446 



pi. 100 ; figs. 3-s, 7, 8 448 



pi. 101 ; figs. 1-7 450 



pi. 103 ; figs. 10, 12, 14 452 



pi. 103; fig. 15 453 



exopodite of 409 



restoration and sections 116 



Cambrian, Middle 



Murchison formation 463 



species... 480, 481, 484, 488, 495, 496, 498, 499, 500, 501, 505, 513, 514, 



520, 521, 522 

 Upper 



Arctomys formation 461 



Lyell formation 460 



Sullivan formation 461 



Canadia setigera Walcott 220 



Canadian 468 



Carter H. J 293 



Cathedral formation 22 



Ceramium nitcns (Agardh) J. Agardh, compared 223 



rubrum (Huds.) Agardh, compared 223 



Ceraurus and Calymene, notes on 394 



structure of exopodite of 412 



Ceraurus Green, appendages 159, 160, 162, 164, 165, 166, 196 



material assembled 118 



ventral integument 155, 156 



pleurexanthemus Green, described. .148, 400-407, 411, 412, 419, 420, 



421, 422, 425 



figured, pis. 26, 27, 28 193=197 



figured, pi. 91 ; fig. 5 434 



pi. 95 ; figs. 1-13, 15, 17 438 



pi. 96 ; fig. 4 440 



pi. 97 ; figs. 1-6, 11 442 



pi. 98 ; figs. 1-10 444 



pi. 99 ; figs. 1, 3, 6 446 



