470 INDEX 



PAGE 



Arethusina ? ? amcricana Walcott, listed 409 



avion, see Maryvillia. 



Arionellus agonius Walcott (^Lisania agonius), generic references 14 



ajax Walcott (= Lisania ajax), generic references 14 



alala Walcott (= Lisania alala), generic references 14 



tripunctatus Whitfield, in synonymy 215 



separated from Crcpicephalus texanus 213 



(Bathyurus) texanus Shumard, in synonymy 209 



ariston, see Maryvillia. 



Arizona, Acrocephalites in i75 



Algonkian sedimentation 80 



A lokistocare in 183 



Middle Cambrian localities 74, 746. 184 



Upper Cambrian locality 358c 213 



armata, see Inouyia. 



arniatus, see Agraulos. 



arses, see Saratogia. 



Arthricocephalus chauveaui, listed, Cambrian fauna described Bergeron. . 7 



aruno, see Saratogia. 



Asaphidse Burmeister, family named 375 



Dolichotnetopus in accord with 358 



Asaphiscus Meek, genus described 381 



compared with Anomocare, Anomocarella, Liostracus, and 



Ptychoparia 2>^2 



Bathyuriscus 383 



Blainia 393 



Marjumia 401 



doubtful species 391 



essentially Pacific Basin type 60 



genotype, Asaphiscus zvheeleri Meek 382 



observations 382 



species discussed 383 



listed 383 



stratigraphic range and geographic distribution 382 



synonymy 381 



under Ogygiocarinse 375 



and Bathyuriscus, compared with Bathyurus and Asaphus 60 



f agatho, new species, described 391 



figured, pi. 63, figs. 9, 9a 449 



characterized 383 



compared with Asaphiscus ? tlorus 391 



f anaxis, new species, described 392 



figured, pi. 63, figs. 2, 2a 448 



characterized 383 



calanus, new species, described 384 



figured, pi. 61, figs. 8, 8a 445 



related to Asaphiscus ( f) capella 384 



