INDEX. 



409 



Scaphanidea, Miill. II 



Scapharca, Grray. . Ill 



Scaphella, Swainson. II 



Scaphites, Parkinson. II 



Scaphopoda. . . . Ill 



Scaphula, Benson. . Ill 



Scaphula, Gray. . II 



Scaphula, Swainson. II 



Scaptorrhynchus, Bell. 1 1 



Scarabaeus, Blainv. Ill 



Scarabella, Lowe. . 



Scarabus, Montfort. 



Scenella, Billings. . 



Schasicheila, Shuttl. 



Schismatobranchia. 



Schismope, Jeffreys. 



Schizocheilus, Lea. 



Schizochiton, Gray. 



Schizocrania, H. & W. Ill 



Schizodesma, Gray. Ill 



Schizodus, King. . 



Schizophoria, King. 



Schizoplax, Dall. . 



Schizopj'^ga, Conrad. 



Schizostoma, Bronn. 



Schizostoma, Lea. . 



Schizothserus, Conr. 



Schizotreta, Kutorga. Ill 

 u u III 



Schizotroclius, Monts. II 

 Schloenbachia, Neum. II 

 Schlotheimia, Bayle. II 

 Schmidtia, Volborth. Ill 

 Schroteria, Tryon. . 

 Schwartziella, Nevill 

 Sciadephorus, Reinh. 

 Scintilla, Deshayes. 

 Scissurella, d'Orb. . 

 Sclerocliiton, Carp. 

 Scobinella, Conr. . 

 Scoliostoma, Braun. 

 Scoliostoma, Cresp. 

 Scolodonta, Doring. 

 Scolymus, Swainson. 

 Sconsia, Gray 



III 

 III 

 II 

 II 

 III 

 II 

 II 

 II 



III 

 III 

 II 

 II 

 II 

 II 

 III 



III 

 II 

 II 



III 

 II 

 II 

 II 

 II 

 II 



III 

 II 

 II 



Scopelophila, Albers. Ill 



PAQB 



295 



254 



162 



184 



111 



256 



175 



175 



2T 



94 



70 



94 



92 



291 



345 



320 



257 



344 



340 



157 



246 



328 



341 



158 



219 



257 



161 



337 



338 



321 



73 



76 



339 



128 



262 



21 



222 



321 



343 



186 



290 



283 



16 



161 



201 



70 



Scopulosa, Bottger. Ill 

 Scrobicularia, Solium. Ill 

 Scrobifera, Bottger. Ill 

 Sculptaria, Pfr. . . Ill 

 Scurria, Gray, . . II 

 Sourriopsis, Gemm. II 

 Scutalus, Albers. . Ill 

 Scutella, Broderip. II 

 Scutellastra, H. & A. A. II 



Scutelligera. . . 

 Scutellina, Gray. 



Scutibranchi ata. 



Ill 

 II 

 II 

 II 

 II 



III 



III 

 II 

 II 



III 



Scutulum, Monts. , 

 Scutus, Montf. . , 

 Scyllasa, Linn. . , 

 Sedgwickia, M'Coy 

 Segmentaria, Swains. Ill 

 Segmentina, Flemg. Ill 

 Seguenzia, Jeff. . . II 

 Sella, A. Ad. . . . II 

 Selasiella, Strebel. . Ill 

 Selenites, Fischer. . Ill 

 Selenitidae. . . . Ill 

 Selenochlamys, Bdttg.III 



Selma, A. Ad. 



Semele, Schum. 

 Semelidse, . . . 

 Semicassis, Klein. 

 Semiclausaria, Pfr. 

 Semicoi'bis, Desh. 

 Semicornu, Klein. 

 Semilimax, Stabile 

 Seminella, Pease. 

 Seminula, M'Coy. 

 Semiranella, Gregorio. II 

 Semirugata, Bottger. Ill 

 Semperia, Crosse. . II 

 Senectus, Humphrey. II 

 Senilia, Gray. . . Ill 

 Separatista, Gray. . II 

 Sepia, Linn. ... II 

 Sepiadarium, Steens. II 



II 



II 

 III 

 III 



II 

 III 

 III 

 III 

 III 



II 

 III 



76 



164 



77 



33 



332 



332 



51 



331 



335 



87 



331 



332 



103 



293 



345 



109 



329 



382 



149 



107 



107 



321 



248 



15 



25 



82 



13 



229 



230 



162 



162 



201 



52 



212 



44 



20 



179 



308 



125 



75 



328 



305 



254 



118 



40 



28 



37 



