[Pterygia. 



12 



Scaphauder.] 



Pterygia Link. 190. 

 Ptychatractus Stiinps. 165. 

 Ptychomplialiis Agas. 546. 

 Pugil. Fabr. 30'J. 

 Puncticulis Sw. 290. 

 Punctiirella Lowe. 587. 

 Pupa Bolt. 620. 

 Puperita Gray. 517. 

 Pupillaea PliL 587. 

 Pupillia Gray. 587. 

 Purpura Brug. 135. 

 Purpura Humph. 16. 

 Purpuridea 134. 

 Pusio (iray. 43. 

 Pusio Sw. 172. 

 Pusionella Gray. 77. 

 Pusiostoma Sw. 201. 

 Pustularia Gray. 322. 

 Putilia H. A. Ad. 273. 

 Pygraaea Ilumph. 201. 

 Pyraraea Link. 310. 

 Pyraiuidea Sw. 549. 

 Pyramidella Lm. 255. 

 Pyramidellidae 255. 

 Pyramidelloides Nevil. 450. 

 Pyramidellus Mft. 255. 

 Pyramis Couth. 271. 

 Pyramis Schinch. 549. 

 Pyrazus Mft. 352. 

 Pyrene Bolt. 201. 

 Pyrgiscus Phl. 258. 

 Pyrgopsis Rochbr. 2. 

 Pyrgula Jan. 429. 

 Pyrgulina A. Ad. 267. 

 Pyrula Lm. 35 

 Pyrula Lm. 222. 

 Pyrula Perry. 160. 



Quadrasia Gross. 419. 

 Quoyia Dsh. 416. 



B. 



Radius Mft. 326. 

 Radsia Gray. 607. 

 Radula Gray. 512. 

 Ralia Gray. 579. 

 Rana Humpli. 103. 

 Rauella Lm. 103. 

 Ranina Blvll. 103. 

 Ranularia Schmch. 97. 

 Rapa Klein. 150. 

 Rapana Schmch. 147. 

 Rapella Sw. 150. 

 Rapulura Rv. 77. 

 Rapum Humpb. 166. 

 Rccluzia Pet. 14. 

 Retusa Brown. 623. 

 Reymondia Brgt. 363- 



Reymondia Giraud. 450. 

 Rheda Humph. 9. 

 Rhinocantha H. A. Ad. 16. 

 Rhinoclavus Sw. 342. 

 Rhinodomus Sw. 117. 

 Rhizochihis Steenstrp. 148. 

 Rhizoconus Mörch. 290. 

 Rhizorus Mft. 326. 

 Rhombus Mft. 290. 

 Ricinula Lm. 142. 

 Rimella Agas. 313. 

 Rimula Defr. 588. 

 Rimula Loven. 587. 

 Rimularia Defr. 588. 

 Rimulus Orb. 588. 

 Ringicula Dsh. 257. 

 Risella Gray. 412. 

 Rissoa Fremvill. 455. 

 Rissoaria Agas. 455. 

 Rissoella Gray. 419. 

 Rissoellidae 419. 

 Rissoidae 429. 

 Rissoina Orb. 450. 

 Rissoinae 455. 

 Rissoininae 450 

 Rissopsis Garr. 470. 

 Rollus Mft. 290. 

 Rossia Gray. 6. 

 Rostellaria Lm. 313. 

 Rostellum Mft. 313. 

 Rostrifera 309. 

 Rotella Lm. 546. 

 Rotellinae 546. 

 Rowellia Grptr. 599. 

 Roxana Leach. 631. 

 Rudolpha Schmch. 145. 

 Rudolphus Ch. 145. 

 Ruma Ch. 225. 

 Rumella Brgt. 236. 



Sabia Gray. 509. 

 Sabinae Leach. 462. 

 Saccus Klein. 534. 

 Sandaliformis Mke. 517. 

 Sandalium Schmch. 506. 

 Sao H. A. Ad. 631. 

 Sarmatus Gray. 535. 

 Saulia Gray. 482. 

 Savatieria Rochebr. 43. 

 Scabricula Sw. 172. 

 Scala Klein. 239. 

 Scalaria Lm. 239. 

 Scalariidae 239. 

 Scalarus Mft. 239. 

 Scalatarius Dum. 239. 

 Scalator Gistl. 547. 

 Scalenostoraa Dsh. 277. 

 Scaliola A. Ad. 246. 

 Scapha Gray. 166. 

 Scaphander Mft. 630. 



