INDEX OF SPECIES. 



85 



Ostrea 



ni«*goflon, i+, 154. 



palmula, 24, 132, 199, O 233, 



O 250, O 282, 312, P 163, 



P550. 

 Panaiiiensis, 198. 

 Paiizana, 81 • 

 periia, P 150. 

 plumula, O 351, 353. 

 prismatica, P 157. 

 Puelchana, P 157. 

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



O 250, P 157, P 159. 

 var. rufoi(ies, 78, loi, 132, 306. 

 spathiilata, O 365, P 157. 

 suhfalcata, 76. 

 subjecta, 81. 

 Titan, 80. 

 vespertina, 76. 

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



306, 226, 250, O 277, 



312, 363, P 159, P 160. 

 Ovulum I 

 (Ovula) ) 



aciculare, P 370, 

 sequale, 1S2, O 188. 

 avena, 35, 176, 182, O 267.' 

 Californicnm, 230, O 233, 



358, P 370. 



deflexum, 239, P 545. 

 emarginatum, 176, 239, 267, 



P545- 

 gibbo.-um, 297, 328, O 363. 

 inflexuin, O 182. 

 neglectum, 35, 267. 

 patulum, P 375. 

 secale, 226. 

 simile, O 226. 



subrostratum, O 364, P 370. 

 uniplicatuin, P 370. 

 variabile, 176, 226, O 230, 



O 233, 267, 364, P 370. 

 var. 267. 



PachychiluB 



corvinus, 45. 



Pacbydesma 



craii^atelloides, 25, 26, 81, 114, 

 126, 151. 



Inezana, 81. 

 Pacbypoma 



gibberosam, I13, I37, 239. 



inn'quale, 137. 

 Pallium 



Estrellanum, 80, 81. 

 Paladina 



baltliica, O 220. 



carinata, 170. 



Hindsii, 162. 



Kikxii, 222. 



nmriatica, O 220. 



nuclea, 162, O 207, 297. 



Nuttalliaua, 162. 



octona, 220. 



pusilla, 220. 



seminalis, 90, 120, 162, 211, 

 206. 



stagnalis, 220. 



, rar. 220. 



tentaculata, O 222. 



thermalis, 220. 



nlva, 220, 



virens, 162. 

 Paludinella 



aculeus, O 215, 220, O 223. 



castanea, 241, O 215. 



cingulata, O 215, O 220, O 223. 



stagnalis, 215, 220, O 223, 

 O 257, P 361. 

 Pandora 



arcuata, 22S. 



bilirata, 80, 124, 232. 



brevifrons, 231, O 185, 301, 



Ceylaiiica, 229. 



cistula, 231. 



claviculata, 124, 204, 225, 

 287, 301, Q 22S. 



cormita, 39, 204, 227, O 280, 

 301. 



Cumingii, 229. 



delicatnla, 229, 230.- 



depressa, 227. ., _ . 



