230 



FAUNA OF NEW ENGLAND. 



Pleurotomella, 146. 

 Polinices, 105. 

 Polycera, 172. 

 Polycerella, 172. 

 Polygyra, 4, 195. 

 Polypus, 223. 

 Pomatiopsis, 116. 

 Poromya, 38. 

 Portlandia, 15. 

 Propeamusium, 31. 

 Proptera, 23. 

 Protocardia, 69. 

 Pseudamusium, 30. 

 Pseudohyalina, 203. 

 Pseudosuccinea, 181. 

 Pteria, 20. 

 Ptychatractus, 139. 

 Ptycheulimella, 93. 

 Pulsellum, 84. 

 Punctum, 208. 

 Pimcturella, 86. 

 Pupa, 177, 209, 211. 

 Pupilla, 213. 

 Pupoides, 211. 

 Purpura, 132. 

 Pyramidella, 92, 98. 

 Pyramidula, 207. 

 Pyramis, 93, 101. 

 PjTgiscus, 94. 



Radix, 181. 

 Ranella, 130. 

 Retusa, 147. 

 Ringicula, 151. 

 Rissoa, 101, 116. 

 Rissoella, 99, 101. 

 Rochefortia, 66. 

 Rossia, 222. 

 Rostellaria, 128. 



Saxicava, 78. 

 Scala, 103. 

 Scalaria, 102. 

 Scaphander, 149. 



Scapharca, 18. 



Scissurella, 87. 



Scyllaea, 170. 



Segmentina, 192. 



Seila, 127. 



Sepia, 218. 



Sepiola, 221. 



Serripes, 69. 



Siliqua, 75. 



Sipho, 137. 



Siphodentalium, S3. 



Skenea, 119. 



Solariella, 89. 



Solarium, 120. 



Solecurtus, 74. 



Solemya, 11. 

 Solen, 74, 75. 

 Solenomya, 11. 

 Somatogyrus, 115. 

 Sphaerella, 62. 

 Sphaerium, 45, 49. 

 Sphyradium, 209. 

 Spinalis, 155. 

 Spirula, 220. 

 Spisula, 76. 

 Stenotrema, 197. 

 Sthenoteuthis, 219. 

 Stiliger, 160. 

 Stoloteuthis, 221. 

 Striatura, 201. 

 Strobila, 210. 

 Strobilops, 210. 

 Strophitus, 23. 

 Stylifer, 92. 

 Styliola, 157, 158. 

 Succinea, 209. 

 Sulcorinella, 98. 

 Sycotypus, 139. 

 Symphynota, 25. 

 Syrnola, 92. 



Tachea, 194. 

 Tagelus, 74. 

 Taonius, 220. 



