408 
Rissoide. ; II 
Rissoina, d Orb. IRI 
Rissopsis, Garrett. It 
Rissostomia, Sars. II 
Ritena, Gray. Il 
Rivicola, Fitzinger.” III 
Rivulina, Clessin. . II] 
Rizzolia, Trinchese. II 
Robinsonia, Nevill. i 
13 II 
Robusta, Bottger. . 
Rocellaria, Fleuriau. 
Rochebrunia, Bourg. 
Rochia, Gray. TH 
Rossia, Gray. II 
Rostanga, Bergh. LE 
Rostellaria, Lam. II 
Rostellites, Conrad. II 
Rostellum, Montf.. II 
Rostrifera sal leh 
Rotella, Lamarck. . II 
Rotellide. . II 
Rotula, Albers. sy LE 
Rotularia, Moreh. . IIT 
Rotundaria, Rafinesq.II1 
Roualtia, Bellardi. II 
Roudairia, Mun.-Chal. 111 
Rowellia, Cooper. . III 
Roxania, Leach. If 
Roxellaria, Agass. . III 
Rudistes. cd Of 
Rudolpha, Schum. 2 ieee 
Rufina, Clessin. Iil 
Ruma, H. & A. Ad. 18t 
Rumina, Risso. . Ti 
Runcina, Forbes. Il 
Rupellaria, Fleuriau. III 
Rupicola, Fleuriau. III 
Sabana, Leach. II 
Sabia, Gray. IT 
Szerichnites, Billings. TI 
Sagda, Beck. ‘ DEE 
Sacdinella, Moreh. III 
Sageceras, Mojs. II 
Sagenella, Conrad. II 
INDEX. 
PAGE | 
259  Sagenites, Mojs. II 
261  Sagitta, Quoy. II 
236 | Saintia, Raine. III 
263  Salpingostoma, Roem. II 
294  Salterella, Billings. II 
102 | Sancara, Bergh. II 
187 | Sandalium, Schum. II 
386 Sandbergeria, Bosq. II 
206  Sandella, Gray. ay dh 
275 | Sanguinolaris, Lam. III 
TS | Foe ae 
119 Sealant Roiss. II 
286 | Sanguinolites, M’Coy.II1 
310  Sannionites, Fischer. II 
28 | Sao, H. & A. Ad. II 
373 | Saraphia, Risso. Luk 
191 | Sarepta, A. Ad. III 
166 | Sarmaticus, Gray. . II 
191 Sarnia, H. & a. Ad. III 
346 Satsuma, Adams. Ill 
300 | Saturnia, Seguenza. III 
300 | Saulea, Gray. F II 
26. | Saxicava, Bellevue. III 
27 | Saxicavide. : Ill 
239 | Saxidomus, Conrad. III 
183 | Seabricola, Swainson. II 
353 | Scabrina, Blanf. . Tek 
110 | Scacchia, Philippi. I1I 
360 | Sezea, Philippi. . I 
119 Secxurgus, Troschel. IT 
202 | Sceevogyra, Whitfield.III 
113 | Sezevola, Gemm. II 
13 | Scala, Klein. II 
205 | Sealaria, Lamarck. II 
61  Scalaride. II 
367 | Scalarina, Conr. ry 
174 | Sealaspira, Conr. . Il 
145 | Sealdia, Ryekholt.. III 
Scalenaria, Rafinesq. II 
264 | Scalenostoma, Desh. II 
215 | Sealinella, Pease. II 
348 | Scaliola, A. Ad. II 
28 | Sealites, Conrad. gE 
24 | Scambula, Conr. Ill 
(2 \;Se@onhs, Grays o.0 2.98 
154 | Scaphander, Montfort. I 
