186 
Petricola, 142. 
Phasianella, 83. 
Philine, 94. 
Philomycus, 104. 
Philonexis, 174. 
Pholadacea, 145. 
Pholadidea, 143. 
Pholadomya, 144. 
Pholas, 143. 
Phos, 92 
Phyllidia, 100. 
Phyllirhoe, 99. 
Phyllaphysia, 96. 
Phyllobranchus., 102. 
Physa, 104. 
Pinna, 158. 
Pisidium, 140. 
Placuna, 156. 
Planaxis, 85. 
Planklomya, 93. 
Planorbis, 104. 
Platyceras, 86. 
Platypoda, 84. 
Plectrophorus, 45. 
Pleurobranchæa, 98. 
Pleurobranchiens, 97. 
Pleurobranchus, 98. 
Pleurophyllidia, 101. 
Pleurotoma, 92, 
Pleurotomaria, 82. 
Pliodon, 140. 
Pneumonoderma, 97. 
Polycera, 100. 
Polyplacophora, %. 
Pomatias, 84. 
Pomatiopsis, 85. 
Pompholyx, #41. 
Poromya, 145. 
Porostomes, 100. 
Proctonotus, 101. 
Proneomenia, 55. 
Propilidium, 83. 
Prorhipidoglossa, 175. 
Prorhipidoglossomorpha, 175. 
Proserpina, 85. 
Protobranchia, 155. 
Psammobia, 142. 
Pseudolame)libranchia, 157. 
Pseudomelaniidæ, 86, 
Pterinea, 158. 
Pteroceras, 88. 
Pterotrachea, 91. 
Pulmonata. 102. 
Pulmobranchia, 104. 
Pulsellum, 110, 
Puncturella, 85. 
Pupa, 104. 
Pupillia, 83. 
Purpura, 92. 
TRAITÉ DE ZOOLOGIE. 
Pustularia, 86. 
Radiolites, 142. 
Ranella, 59. 
Rhachiglossa, 91. 
Rhipidoglossa, 82. 
Rhodope, 177. 
Ringicula, 94. 
Rissoa, 85. 
Rossia, 172. 
Rudistidæ, 142. 
Saxicava, 143. 
Scæurgus, 165 
Scalaria, 87. 
Scaphander, 94. 
Scaphopoda, 106. 
Scioberetia, 140. 
Scissurella, 82. 
Scrobicularia, 141. 
Scurria, 82. 
Scutum, 82. 
Scyllæa, 99. 
Sepia, 175. 
Sepiadarium, 175. 
Sepiola, 172. 
Sepioloidea, 173. 
Sepioteuthis, 17 . 
Septibranchia, 145. 
Silenia, 145. 
Siliquaria, 87. 
Siphonaria, 105. 
Siphonodentalium, 110. 
Solarium, 87. 
Solen, 143. 
Solenocurtus, 145. 
Solenomya, 156. 
Spirula, 171. 
Spirulirostra. 171. 
Spondylus, 158. 
Spongiobranchæa, 97. 
Stenoglossa, 91. 
Stiliger, 102. 
Stoloteuthis, 172. 
Stomatella, 85. 
Stomatia, 85. 
Stroptoneura, 80. 
Strombus, 88. 
Struthiolaria, 88. 
Stylifer, 87. 
Stylommatophora, 104. 
Submytilacea, 159. 
Succinea, 104. 
Tænioglossa, 84. 
Taonius, 172. 
Tapes, 1#1. 
Tectibranchia, 95. 
Tellina, 141. 
Tellinacea, 141. 
Terebellum, 88. 
Terebra, 95. 
