220 Annals of the Carnegie Museum. 



Platyostoma auriforme (Hall). Probably not Chazy. 



Plethospira hyale (Billings). Probably not Chazy. 



Pleurotomaria amphy trite Billings (Euconia amphy trite). 



Pleurotomaria antiguata Hall. Not recognizable. 



Pleurotomaria biangulata Hall (Trochonema biangulatum). 



Pleurotomaria calyx Billings (Raphistoma stamineum). 



Pleurotomaria crevieri Billings (Raphistoma stamineum). 



Pleurotomaria docens Billings (Liospira docens). 



Pleurotoma?'ia immatura Billings (Raphistoma immaturum). 



Pleuroto7naria pauper Billings (Raphistoma stamineum). 



Raphistoma immaturum (Billings). 



Raphistoma planistria Hall (Raphistoma stamineum). 



Raphistoma planistria parva Hall (Raphistoma stamineum). 



Raphistoma stamineum Hall. 



Raphistoma striatum (Emmons). 



Raphistomina undulata Raymond. 



Scalites angulatus Emmons. 



Scalites planistria Emmons (Raphistoma stamineum). 



Scalites staminea Emmons (Raphistoma stamineum). 



Scalites striata Emmons (Raphistoma striatum). 



Scenella montrealensis (Billings). 



Scenella pretensa Raymond. 



Scenella robusta Raymond. 



Stenotheca dubia Whitfield and Hovey (Archinacella deformata). 



Stomatia auriformis Emmons (Platyostoma auriforme). 



Straparojlina harpa Hudson (Holopea harpa). 



Straparollus magnus Emmons (Maclurites magnus). 



Subulites prolongatus Raymond. 



Subulites raymondi Hudson (Cyrtospira raymondi). 



Tetranota bidorsata? Hall. 



Trigyra ulrichi Raymond. 



Trochonema biangulatum (Hall). 



Trochonema dispar Raymond. 



Trochonema hudsoni Raymond. 



Trochonema rectangulare Raymond. 



Tryblidium eubule (Billings). Probably not Chazy. 



