Seaphanidea, Mull. II 
Scapharca, Gray. Ill 
Seaphella, Swainson. II 
Seaphites, Parkinson. II 
Scaphopoda.. . Ill 
Scaphula, Benson... III 
Scaphula, Gray. Et 
Seaphula, Swainson. II 
Scaptorrhynchus, Bell.II 
Searabeeus, Blainv. III 
Scarabella, Lowe. . - III 
Scarabus, Montfort. III 
Scenella, Billings. . II 
Schasicheila, Shuttl. II 
Schismatobranchia. III 
Schismope, Jeffreys. II 
Schizocheilus, Lea. II 
Schizochiton, Gray. II 
Schizocrania, H. & W. III 
Schizodesma, Gray. IIL 
Schizodus, King. Ill 
Schizophoria, King. III 
Schizoplax, Dall. II 
Schizopyga, Conrad. II 
Schizostoma, Bronn. II 
Schizostoma, Lea.. II 
Schizotherus, Conr. IIT 
Schizotreta, Kutorga. III 
oe as IIL 
Schizotrochus, Monts. IT 
Schloenbachia, Neum. II 
Schlotheimia, Bayle. II 
Schmidtia, Volborth. III 
Sehroteria, Tryon.. III 
Schwartziella, Nevill. II 
Sciadephorus, Reinh. II 
Scintilla, Deshayes. III 
Scissurella, d’Orb. . II 
Sclerochiton, Carp. II 
Scobinella, Conr. A 
Scoliostoma, Braun. II 
Scoliostoma, Cresp. II 
Seolodonta, Doring. III 
Scolymus, Swainson. II 
Sconsia, Gray. II 
Scopelophila, ‘Albers. III 
27 
INDEX. 
PAGE 
295 | Scopulosa, Bottger. III 
254  Serobicularia, Schum. IIT 
162 | Serobifera, Béttger. III 
184 | Sculptaria, Pfr. . IIl 
111 | Scurria, Gray, It 
256 | Scurriopsis, Gemm. IT 
175 | Scutalus, Albers. It! 
175 | Scutella, Broderip. Ii 
27 | Scutellastra, H. & A.A.IT 
94 | Scutelligera. . Itt 
70 | Scutellina, Gray. II 
94 ce ce ek 
92 | Seutibranchiata. II 
291 | = eee, eh 
345 : ¢ + LEE 
320 | Scutulum, Monts. . III 
257 | Scutus, Montf. II 
344 | Scyllea, Linn. Te 
340 | Sedgwickia, M’Coy. III 
157 | Segmentaria, Swains. IIT 
246 | Segmentina, Flemg. III 
328 | Seguenzia, Jeff. . It 
341 | Seila, A. Ad. . i 
158 | Selasiella, Strebel. . III 
219 | Selenites, Fischer. . III 
257 | Selenitidee. ERE 
161 | Selenochlamys, Bottg II 
337 | Selma, A. Ad. jl 
338 “= II 
321 | Semele, Schum. Ill 
73 | Semelidee, . 1 
76 | Semicassis, Klein. . II 
339 | Semiclausaria, Pfr. III 
128 | Semicorhbis, Desh. . III 
262 | Semicornu, Klein. . III 
21 | Semilimax, Stabile. IIT 
222 | Seminella, Pease. II 
321 | Seminula, M’Coy. III 
343 | Semiranella, Gregorio. II 
186 | Semirugata, Bottger. III 
290 | Semperia, Crosse. . II 
283 | Senectus, Humphrey. II 
16 | Senilia, Gray. hk 
161 | Separatista, Gray. . II 
201 | Sepia, Linn. . II 
70 Sepiadarium, Steens. II 
