554 INDEX 



Saratogia — Continued. page 



hera, new species, described 197 



figured, pi. 35, figs. 3, Sa-b 252 



compared with Saratogia wiscoitscnsis and Conaspis shumardi 197 



formation and locality 198 



listed 196 



stratigraphic range and geographic distribution 195 



tellus, listed 196 



volux, new species, described 198 



figured, pi. 35, figs. 2, 2a 252 



compared with Lonchocephaliis chippcwaensis and Saratogia 



wisconsensis 198 



formation and locality 198 



listed 196 



stratigraphic range and geographic distribution 195 



wisconsensis (Owen) , described 198 



figured, pi. 34, figs. 5, 5a-c 250 



compared with Saratogia arses 196 



Saratogia aruno 196 



Saratogia calcifera and 6". hamulus 199 



Saratogia hera 197 



Saratogia volux 198 



formation and locality 199 



listed 196 



mentioned 195 



stratigraphic range and geographic distribution 195 



synonymy 198 



Sardinia, Atlantic Basin fauna in 58 



Lower Cambrian, Australia, North America and, correlated 



Siberian 72 



Sardinian Cambrian genus Olenopsis in America, publication 160 



Saukia pepinensis (Owen) , listed 409 



Sawmill Canyon, Belt Mountains, Montana 152 



Scandinavia, Andrarum limestone, age compared with Sai-ma-ki and Ta- 



ling trilobitic fauna 6 



Scenella and Matherella, represent patelloid Gastropoda 58 



clotho Walcott, stratigraphic and geographic position 46 



? dilatatus Walcott, listed, lower Kiu-lung 64 



stratigraphic and geographic position 46 



varians Walcott, listed 322, 353 



sp. undt., listed 292 



listed, Ch'ang-hia 68 



stratigraphic and geographic position 46 



Schizamboti typicalis Walcott, associated with Tsinania cleora 227 



Schizothrix ? (Blue-green alga; cells), figured, pi. 20, figs. 7, 8, 8a 150 



compared with Algonkian algal cells 103 



Schmidt, Fr., bibliographic reference 74 



cited, historical review, Chinese Cambrian 7 



Siberian Cambrian 7 



