INDEX OF SPECIES. 



85 



Ostrea 



niegodon, 14, 154. 



palmula, 24, 132, 199, 233, 



250, O 282, 312, P 163, 



P550. 

 Panamensis, 198. 

 Panzana, Si. 

 perna, P 150. 

 plumula, 351, 353. 

 prismatica, P 157. 

 Puelchana, P 157. 

 rufa, 3S, 132, 198, 306, 226, 



250, P 157, P 159. 

 var. rufoides, 78, loi, 132, 306. 

 spafhulata, 365, P 157. 

 subfalcata, 76. 

 subjecta, 81. 

 Titan, 80. 

 vespertina, 76. 

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



306, 226, 250, 277, 



0312,0363, P 159, P 160. 

 Ovuliim I 

 (Ovula) ) 



aciculare, P 370. 

 sequale, 182, 188. 

 avena, 35, 176, O 182, 267/ 

 Californicnm, 230, 233, 



35S, P 370. 



deflexum, 239, P 545. 

 emarginatum, 176, 239, 267, 



P545- 

 gibbosura, 297, 328, 363. 

 inflexum, 182. 

 neglectum, 35, 267. 

 patulum, P 375. 

 secale, 226. 

 simile, O 226, 



subrostratum, 364, P 370. 

 uniplicatum, P 370. 

 variabile, 176, 226, 230, 



233, 267, 364, P 370. 

 var. 267. 



Pachychilus 



corvinus, 45. 



Pachydesma 



crassatelloides, 25, 26, 81, 114, 



126, 151. 

 Inezana, 81, 

 Pachypoma 



gibberosum, I13, 137, 239. 

 inirquale, 137. 

 Pallium 



Estrellanum, 80, 81. 

 Paludina 



baltliica, 220. 



carinata, 170. 



Hindsii, 162. 



Kikxii, 222. 



muriatica, O 220. 



nuclea, 162, 207, 297. 



Nuttalliana, 162. 



octona, 220. 



pusilla, 220. 



semiiialis, 90, 120, 162, 211, 



206. 

 stagnalis, 220. 



, i-ar. 220. 



tentaculata, 222. 

 tliemialis, 220. 

 ulva, 220. 

 virens, 162. 

 Paludinella 



aculeus, O 215, 220, 223. 

 castanea, 241, 215. 

 cingulata, 215, 220, 223. 

 stagnalis, 215, 220, 223, 



257, P 361. 

 Pandora 



arcuata, 228, 



bilirata, 80, 124, 232. 



brevifrons, 231, 185, 301, 



Ceylauica, 229. 



cistula, 231. 



claviculata, 124, 204, 225, 



2S7, 301, Q, 228. 

 cornuta, 39, 204, 227, 280, 



301. 

 Cumingii, 229. 

 delicatula, 229, 230. 

 depressa, 227. 



