474 INDEX 



PAGE 



Paget formation, comparative stratigraphic sections 343 



summary, stratigraphic section 342 



pagoda, see Eoorthis and Plectorthis. 



Pagodia Walcott, genus named and in synonymy 369 



compared with Lisania 82 



Agraulos, Anomocare, Ptychoparia, Coosia, and 



Solenopleura 83 



dolon Walcott, compared with Pagodia scclyi 269 



seelyi Walcott, new species described 269 



figured, pi. 44, figs. 12-14, I4« 294 



compared with Pagodia dolon 269 



listed from Potsdam-Hoyt fauna 254 



thea (Walcott), listed from Eau Claire formation 358 



Palccacmcca Hall and Whitfield, genus named and in synonymy 264 



irvingi Whitfield, listed from Franconia formation 357 



typica Hall and Whitfield, described 264 



figured, pi. 43, figs. 1,2 293 



listed from Potsdam-Hoyt fauna 254 



Paleozoic ages, referred to 166 



Paleozoic Crustacea ' 164-165 



Paleozoic formations, mentioned 155 



Paleozoic fossils, early study of, by Walcott 253 



Palmyra aurifcra Ehlers, resemblance of Canadia spiv.osa to 119 



Palmyridas, compared with Canadidse Walcott 118 



pannula, see Micromitra (Iphidclla). 

 papillatus, see Hyolithellus. 



Paractinopoda, from Middle Cambrian 43 



Par ado. rides, compared with Protichnites 276 



desideratus Barrande, compared with Albertclla pacifica 76 



Parker and Haswell, cited on Annelids iii 



parva, see Hymenocaris. ' 



parvula, see Anomocare. 



patersoni, see Conaspis and Ptychoparia. 



Peabody Museum, Yale University, type specimens of Saukia zvardi in. . . . 384 



Peace River, Robson Peak district, locality described 329 



pedunculata, see Ayshcaia and Louisclla. 



Pelagiella Matthew, genus named and in synonymy 266 



hoyti (Walcott), described 266 



figured, pi. 41, fig. 17 288 



associated and compared with Pelagiella miniitissima 266 



in synonymy 266 



listed from Potsdam-Hoyt fauna 254 



minutissima (Walcott) , described 266 



figured, pi. 41, figs. 15, 16 288 



in synonymy 266 



compared with Pelagiella hoyti 266 



listed from Potsdam-Hoyt fauna 254 



Pelagothuria natatrix Ludwig, compared with Eldonia ludwigi 50 



Pelagothuridse, represented by Eldonia ludwigi 45 



Pelmatozoic ancestor, diagrammatic reconstruction of imagined primitive. 43 



