Soleniscus,M. & W. II 
Solen, Linn. } OE 
Solenochilus, M. & W. II 
6b ce IMGT 
Se eee Sowb. III 
Solenomya, Menke. III 
Solenopsis, M’Coy. III 
Solenopus, Sars. II 
Soletellina, Blainv. III 
Solidula, Fischer. . II 
Solyma, Conr. . Iil 
Somatogyrus, Gill. II 
Sonneratia, Bayle.. II 
Sonninia, Bayle. II 
Sophina, Bens. . DET 
Souleyetia, Recluz. III 
Sowerbya, d’Orb. en 
Spaniodon, Reuss.. III 
Sparella, Gray. . II 
Spatha, Lea. . JAE 
Spekia, Bourg. . II 
Spengleria, Tryon.. III 
Sphera, Sowb. Ill 
Spherella, Conr. Ill 
Spheriastrum, Bourg.III 
Spheeriola, Stoliez. III 
Spherium, Scopoli. III 
Spheeroceras, Bayle. II 
Spherodoris, Bergh.. II 
Spheerucaprina, Gem. IIT 
Spherulites,de la Mer.III 
Sphena, d’Orb. . Iil 
Sphenia, Turton. iit 
Spheniopsis, Sandb. III 
Sphenodiscus, Meek. II 
Sphingites, Mojs. II 
Sphyradium, Agass. III 
Spinigera, d’Orb. i 
Spiractzeon, Meek.. II 
Spiraculum, Pearson. II 
Spiratella, Blainv.. II 
Spiraxis, C. Ads. ELT 
Spirialis, Souleyet. II 
Spiricella, Rang. II 
Spirifer, Sowb. III 
Spiriferide. III 
INDEX. 
PAGE 
239 | Spiriferina, d’Orb. . IIT 
129 | Spirigera, d’Orb. EET 
60 | Spirigerina, d’Orb. III 
348 Spirilla, Humph. II 
133 | Spirobulla, Ancey. III 
223  Spiroclimax, Morch. II 
131 | Spiroerypta, Gabb. II 
347 | Spirodiscus, Stein. III 
167 | Spiroglyphus, Daudin. II 
356 | Spironema, Meek. . II 
134 | Spirorbis, Swains. . III 
271  Spirorbula, Lowe. Ill 
83 | Spirotropis, Sars. II 
78 | Spirula, Lamarck... II 
27 | Spirulide. . Jie Oe 
146 | Spirulirostra,d’Orb. II 
174 | Spisula, Gray. III 
217 | Spondylide. TET 
176 | Spondylobolus,M’ Cy. III 
243 | Spondylobus, Davids. III 
272 | Spondylus, Lamarck. III 
120 | Spongiobrancheea,d’O. II 
212 | Spongiochiton, Carp. II 
214  Sportella, Deshayes. III 
186 | Spurilla, Bergh. . II 
212 | Stabilea. 7 dad 
186 | Stachella, Waagen. II 
80 | Stalagmium, Conr.. III 
373 | Stalagmium, Nyst. III 
200 | Staliola, Brusina. II 
206 | Stalion, Brusina. II 
14 Standella, Gray. Iil 
139 | Staurodon, Lowe. . III 
141 | Stauroteuthis, Verrill. II 
74 | Stavelia, Gray. Kil 
66 | Stectoplax, Carp. . II 
11 | Steenstrupia, Kirk. II 
192  Steganostoma, Trosch. II 
356 | Stegodara. Il 
289 | Stegognatha. . Hit 
94 | Steira, Esch. . II 
61 Stella, Klein. ll 
94  Stenoceras, d’Orb. II 
215 | Stenochisma, Hall. . Iil 
320 | = : CREE 
320 | = an ae 6 
