INDEX 469 



Anomocarclla— Continued. page 



thraso (Walcott) {—Ptychoparia (Liostracus) Ihniso). generic 



references 16 



listed, lower Kiu-lung 64 



stratigraphic and geographic position 49 



toxeus Walcott (=Ptychoparia (Liostracus) toxcus), generic ref- 

 erences 16 



listed, lower Kiu-lung 64 



stratigraphic and geographic position 49 



trogus (Walcott) (=Ptychoparia (Liostracus) tragus), generic 



references 16 



listed, Kiu-lung 65 



stratigraphic and geographic position 49 



tutia (Walcott) (= Ptychoparia (Liostracus) tutia). generic ref- 

 erences ^" 



listed, Ch'ang-hia 66 



Kiu-lung ■ • 65 



stratigraphic and geographic position 49 



undata (Walcott) (= Ptychoparia undata), generic references.... 16 



listed, Kiu-lung ^5 



stratigraphic and geographic position 50 



? sp. undt., listed. Upper Cambrian, Ch'au-mi-tien 68 



listed, Kiu-lung "■+ 



anser, see Blountia. 



Antelope Springs, House Range, Utah. Middle Cambrian locality 3v 37 f 



anteros, see Bathyuriscus (Poliella). 



Anthozoa, discussed ^ 



aoris, see Acrocephalites. 

 appalachia, see Lonchoccphalus. 



Archean, Little Belt section ^73 



complex, below Belt series 99 



and Algonkian, unconformity between (Aa), pis. 41. 4^ 284-287 



and Cambrian, unconformable contact (Arc), pis. 40-42 282-287 



Archseocyathinse, discussed under Anthozoa 58 



suggested by Atikokania lawsoni 98 



von Toll cited, genera of 7i 



Archa-ocyathus acuttis, listed, Siberian Cambrian 8 



aduncus, listed, Siberian Cambrian ° 



dunghti Walcott. listed 3i7 



ijizkii, listed, Siberian Cambrian ° 



patulus, listed, Siberian Cambrian 8 



proskurjakowi, listed, Siberian Cambrian 8 



sibiricus, listed, Siberian Cambrian ° 



Archccocyathus limestones, von Toll's fauna, discussed /i 



ArchcEOzoati acadiense Matthew, described ^^4 



compared with Collenia covipacta and C. occidoitalc 114 



Eozoan canadcnsc ^ ^4 



synonymy ^ ^"^ 



