286 



INDEX TO CERION. 



Regium Bs. . . . .. * 



Regula Mayn. . .- 

 Ritchie! Mayn. . 

 Mobusta Mayn. . 

 Rubicundum Mke. 

 Rubra Humph. . 

 Rude Pfr. 



Saccharimeta Bl. 

 Sagraianum Pfr. . . 

 Sallei P. & V. . 

 Sanzi Blanes 

 Sarcostomum P. & V. 

 Scalarinum Gundl. . 

 Scahiris Pfr. . ,- 

 Scripta Mayn. . . ; 

 Sculptum Poey . 

 Seniculus Mayn. 

 Smithii Blanes . . 

 Stevenson! Ball v 



Striata Schum . 

 Striatella (Helix) Fer. 

 Striatella Humph. 

 Striatella Kiist. . 

 Striatella v. minor Kiist. 

 Striatellum Dall & Simp. 

 Striatellum * Fer ' Guer. 

 Strobilus Beck . 

 Strophia Alb. . 

 STROPMIOPS Dall, 179, 181, 231 

 Sublcevigatum Pfr. . .213 

 Submarmoratum P. & V. . 270 

 Sueyrasi Bl. < 



222 



Yumaense P. & V. . 

 Zebra Weinl. Sowb. 



227 

 232 



200 

 257 



207 



257 

 280 

 277 

 209 



219 

 281 

 274 

 180 



215 



236 

 252 

 255 

 274 

 215 

 203 

 281 

 219 



237 

 238 



194 

 253 



