PAGE 



Orusia ? eurekensis (Walcott), listed 369 



icnficularis (Wahlenberg), listed 369 



Oryctocephalidse Beecher, compared with Corj-nexochidse 308 



Oryctocel'halus, compared with Olenoides and Neolenus 308 



Osceola, Wisconsin, Upper Cambrian locality 78 406 



Ozi'cnella antiquata (Whitfield), listed 409 



typa Walcott, s^'nonj-mic reference 402 



Pack, F. J., cited 344 



Pagetia, new genus, described 407 



correspondence to Burlingia 407 



genotype, Pagetia bootes Walcott 407 



stratigraphic range and geographic distribution 407 



bootes, new species, described 408 



figured,, pi. 67, figs, i, la-f 456 



compared with Eodiscus punctatus 408 



Pagetia clytia 408 



discussed 407 



Proparia type 408 



related to Eodiscus punctatus and E. scanicus 407 



clytia, new species, described 408 



figured, pi. 67, figs. 2, 2a-c 456 



compared with Pagetia bootes 408 



discussed 407 



related to Eodiscus punctatus and E. scanicus 407 



Pagodia, compared with Corynexochus (Bonitia) parvulus 328 



compared with Lisania 403 



Paraboliua inegalops Moberg, compared with Marjiimia 401 



Paradoxides, compared with Bathyuriscus T synonymy) 319 



forchhammeri zone, Sweden, Middle Cambrian locality 8w 2>72, 



tessini, associated with Corynexochus bornholmiensis Gronwall. .. . 313 



Parahio, Kashmir, India, -Middle Cambrian locality 348 



parvuhis, see Corynexochus (Bonnia). 

 paula, see Asaphiscus (Blainia). 



Paymaster Mining Camp, Nevada. Lower Cambrian locality i6g 323 



Pelagiella primcevunt Billings, listed 321 



Pelagiella sp. undt., listed 2,22 



Peltura, compared with Corynexochus bubaris 315 



scarabccoidcs Wahlenberg, compared with Marjumia 401 



Pioche, Nevada, Middle Cambrian locality 31 344 



type locality of Chisholm shales 409 



Platyceras primcevum Billings, listed 317 



Platycolpus Raymond ? .(:= Dolichometopus (f) gibberulus BiWings) . . . . 359 



Pole Creek, Montana, Middle Cambrian locality 352 



Poliella. new subgenus, described 349 



compared with Dolichometopus 359 



genotype, Bathyuriscus (Poliella) anteros Walcott 349 



observations 349 



species, named 340 



compared - 349 



stratigraphic range and geographic distribution 330 



see Bathyuriscus. 



