- 203 



Omphaloclathrum Klein. 169. 

 Oniscia Sow. 45. 

 Onustus Humph. 71. 

 Opalia H. A. Ad. 47. 

 Opeas Alb. 131. 

 Opisthostonia W. Blfd. 147. 

 Orcula Hld. 132. 

 Orphnus Alb. 119. 

 Orthalicinus Gross, et] F. 122. 

 Orthalicus Bk. 122. 

 Orthostylus Bk. 116. 

 Ostrea L. 192. 

 Otina Gray. 140. 

 Otopoma Gray. 151. 

 Otostomus Bk. 119. 

 Oviüa Brug. 58. 

 Oxystele Plil. 81. 



Pachnodus Alb. 126. 

 Pachyclieilus Lea. 62. 

 Pachyotus Bk. 118. 

 Pachypoma Gray 77. 

 Pachystoma Alb. 109. 

 Padollus Mft. 83. 

 Pagodina Stab. 133. 

 Palaina 0. Semp. 147. 

 Pallium Mart. 189. 

 Paludina Lam. 65. 

 Paliidoiiius Sw. 61. 

 Panda Alb. 110. 

 Pandora Brug. 160. 

 Panopaea Mss. 158. 

 Paphia Bolt. 166. 

 Papillifera Bttg. 137. 

 Papyridea Sw. 173. 

 Paralellipipedum Kln. 187. 

 Parapholas Conr. 156. 

 Parembola Köm. 167. 

 Parmophorus Blvll. 84. 

 Partula Per. 12S. 

 Partulina Pfr. 129. 

 Patella L. 85. 

 Patelloidea Quoy. 85. 

 Patula Held. 98. 

 Patulastra Pfr. 98. 



Pecten Brug. 188. 

 Pectunculus Lam. 187. 

 Pedicularia Sw. 58. 

 Pedinogj'ra Alb. 112. 

 Pedipes Ad. 140. 

 Pedum Brug. 191. 

 Pella Alb. 98. 

 Peloronta Oken. 72. 

 Perideris Sh. 123. 

 Periploma Schmch. 159. 

 Peristeinia Morch. 37. 

 Perna Brug. 185. 

 Peronaea Poli. 163. 

 Peronaeoderma Poli. 162. 

 Peronaeus Alb. 122. 

 Perrona Schm. 27. 

 Persicula Schmch. 43. 

 Persona Mft. 29. 

 Petasia Bk. 100. 

 Petraeus Alb. 127. 

 Petricola Lam. 171. 

 Pfeifferia Gray. 92. 

 Phalium Link. 44. 

 Phania Alb. 111. 

 Pharella Gray. 158. 

 Phasianella Lam. 75. 

 Phasis Alb. 112. 

 Phenacolimax Stab. 93. 

 Phengus Alb. 116. 

 Philina Alb. 111. 

 Philine Ascan. 89. 

 Philippia Gray. 50. 

 Pholadidea Turt. 156. 

 Pholas L. 156. 

 Phönicobius Müll. 116. 

 Phos Mft. 30. 

 Phrontis H. A. Ad 31. 

 Phylloda Schmch. 113. 

 Phyllonotus Sw. 24. 

 Physa Drap. 143. 

 Physopsis Krss. 143. 

 Pileopsis Lam. 72. 

 Pinaxia H. A. Ad. 34. 

 Pinna L. 186. 

 Pirena Lam. 63. 

 Pirostoma Bttg. 139. 



