INDEX OP SPECIES. 



85 



Ostrea 



megodon, 14, 154. 

 palmula, 24, 132, 199, 233, 

 250, 282, 312, P 163, 



P550- 

 Panamensis, 198. 

 Panzana, 81. 

 pern a, P 150. 

 plumula, 351, 353. 

 prismatica, P 157. 

 Puelchana, P 157. 

 rufa, 38, 132, 198, 306, 226, 



O 250, P 157, P 159. 

 var. rufoides, 78, 101, 132, 306. 

 spathulata, 365, P 157. 

 subfalcata, 76. 

 subjecta, 81. 

 Titan, 80. 

 vespertina, 76. 

 Virginica, 38, 78, 107, 132, 152, 



306, O 226, 250, 277, 



O 312, 363, P 159, P 160. 

 Ovulum J 

 (Ovula) ) 



acioulare, P 370. 

 aectuale, 182, 188. 

 aveua, 35, 176, 182, 267. 

 Californicum, O 230, 233, 



358, P 370. 

 deflexum, 239, P 545. 

 emarginatum, 176, 239, 267, 



P54S- 

 gibbosum, 297, 328, 363. 

 iiiflexuai, 182. 

 neglecta'm, 35, O 267. 

 patulam, P 375. 

 secale, 226. 

 simile, 226. 



subrostratum, 364, P 370. 

 xmiplicatum, P 370. 

 rariabile, 176, 226, 230, 



233, 267, 364, P 370. 

 var. 267. 



Pachychilus 



corvinus, 45. 



Facbydesma 



crassatelloides, 25, 26, 81, 114,- 

 126, 151. 



Inezana, 81. 

 Pachypoma 



gibberosutn, I13, 137, 239. 



insequale, 137. 

 Pallium 



Estrellanum, 80, 81. 

 Paludina 



baltliioa, 220. 



carinata, 170. 



Hindsii, 162. 



Kikxii, 222. 



muiiatica, 220. 



nuolea, 162, 207, 297. 



Niittalliana, 162. 



octona, 220. 



pusilla, 220. 



seminalis, 90, 120, 162, 211, 

 206. 



stagnalis, 220. 



, var. 220. 



tentaculata, O 222. 



tbermalis, 220. 



ulva, 220. 



virens, 162. 

 Paludinella 



aculeus, 215, 220, 223. 



castanea, 241, 215. 



cingulata, O 215, 220, 223. 



stagnalis, 215, 220, 223, 

 257, P361. 

 Pandora 



arcuata, 228. 



bilirata, 80, 124, 232. 



brevifrons, 231, 185, 301. 



Ceylauica, 229. 



cistula, 231. 



claviculata, 124, 204, 225, 

 287, 301, Q 228. 



cornuta, 39, 204, 227, 280, 

 301. 



Cumingii, 229. 



delicatula, 229, 230. 



depressa, 227. 



