382 



INDEX. 



Cjclas curta, Conrad, 212 



? Cyclopliorus scalarifor- 



mis, Pease, 289 



Cylindrella Eemondii, G., 208 



" Coaliuilensis, Binney, 50 



Cystiscidee, Stimpson, 55 



Cystiscus, Stimpson, 55 



" Capensis, Stimp., 55 



Cytheriopsis, Conrad, 146 



"• Hydana, Con., 146 



Dentalium densatum, Con., 212 

 Dione annexa, Conrad, 137 

 " securiformis, Conr., 137 

 Doliopsis, quinquecosta,C., 141 

 Drillia Texana, Coijrad, 143 



Eburneopecten, Conrad, 140 



[See Errata.] 



scintillatus, C.,140 



Egeria donacea, Conrad, 146 



Elimia, H. & A. Adams, 104 



Ellipstoma, Eaf., Ill 



Eurycselon, Lea, 119 



" Anthonyi,Budd, 339 



" crassa, Hald., 340 



" gibberosa, Lea, 339 



'■' gratiosa, Lea, 339 



" lachryma, An., 339 



" midas, Lea, 339 



" nubila, Lea, 339 



" pisum, Hald., 340 



" turbinata. Lea, 340 



" umbonata. Lea, 339 



Fluminicola, Stimpson, 52 

 Fulgur triserialis, AVhit., 260 

 Fusus tortilis, Whitfield, 260 



Gabbia, Tryon, 220 



" Australis, Tryon, 220 



Gillia, Stimpson, 53 



Goniobasis, Lea, 118 



" Bairdiana, Lea, 241 



bulbosa, Gould, 246 



" Cataba^a, Ilald., 37 



Page. 

 Goniobasis circumlineata, 



Tryon, 244 



" Draytonii, Lea, 242 



" graminea, Hald., 37' 



Haldemani,Try., 38 



" interlineata,An., 36 



" Newberryi,Lea,245 



" nigrina, Lea, 243 



" occata. Hinds., 237 



" plicifera, Lea, 238 



" var.bulimoides, 238 



" " Oregonensis, 238 



" rubiginosa,Lea, 244 



" rudens. Reeve, 239 



" Sbastaensis, L., 240 



silicula, Gould, 240 



" translucens, A., 36 



Gouldia pygmiBa, C, 139, 212 



Gyrotoma, Shuttl., 106, 113 



Helicina Pacifica, Pease, 291 



Helix Africae, Brown, 136 



" anilis, Gabb., 209 



" areolata, Sowb., 346 



" arrosa, Gould, 343 



" Ayresiana, Newc, 345 



" Behrii, Gabb, 208 



" Bridgesii, Newc., 344 



" Californiensis, Lea, 343 



" Carpenteri, Newc., 346 



" cerinoidea, Anth., 351 



" chersina, Say, 349 



" Columbiana, Lea, 347 



" crebristriata, Newc, 345 



" devia, Gould, 347 



" Dupetithouarsii, D., 343 



" exarata, Pfeiffer, 344 



" fidelis, Gray, 342 



" fulva, Drap., 349 



" germana, Gould, 348 



" Hillebrandi, Newc, 344 



" infumata, Gould, 342 



" intercisa, W. G. B., 345 



" Kellettii, Forbes, 345 



" levis, Pfr., 346 



" Liberise, Brown, 136 



