Saratogia — Continued. page 



calcifera (Walcott), described 197 



figured pi. 34, figs. 6, 6a-e 250 



compared with Lonchocephahis 197 



Saratogia wisconsensis 199 



formation and locality 197 



listed 196 



stratigraphic range and geographic distribution 195 



surface 195 



hamulus (Owen), compared with Saratogia wisconsensis 199 



included by error with Saratogia wisconsensis (Owen) 251 



listed 196 



probable occurrence in Yellowstone National Park 196 



stratigraphic range and geographic distribution 195 



hera, new species, described 197 



figured pi. 35, figs. 3, 3ab 252 



compared with Saratogia wisconsensis 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, 20 252 



compared with Lonchocephahis chippewacnsis and Saratogia 



7visconsensis 198 



formation and locality 198 



listed 196 



stratigraphic range and geographic distribution 195 



wisconsensis (Owen), described 198 



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



compared with Saratogia arses 196 



Saratogia aruno 196 



Saratogia calcifera and 5. hamulus 199 



Saratogia hera 197 



Saratogia volux 198 



formation and locality 199 



listed 196 



mentioned 195 



stratigraphic range and geographic distribution 195 



synonymy 198 



Sardinian Cambrian genus Olenopsis in America, publication 160 



Schizambon typicalis Walcott, associated with Tsinania cleora 227 



semele, see Millardia. 



Secret Canyon shale, limestone in, Eureka County, Nevada, Middle Cam- 

 brian locality 58 185 



Shantung, China, Crepicephalus in 203 



Saratogia in 195 



Shumard, Dr., description of Crepicephalus texanus cited 210 



simplex, see Norwoodia. 



Sixteen Mile Canyon, Aleagher County, Montana, Middle Cambrian 



locality I59f 186 



