84 



INDEX OP SPECIES. 



Onychoteuthis 



Bergii, O 218, 223, 345. 

 fusiformis, 99, iiS, 119, 150. 

 Kamtscliatica, 2i8, 223. 

 Opalia 



attenuata, 244. 

 australis, 244, 245. 

 bicai-inata, 244. 

 torealis, 18,99, "4) 146- 

 bullata, 23, 146, 287. 

 crassioostata, 244, 245. 

 crassilabrum, 244. 

 crenata, 105, 220, 244, 324. 

 crenatoides, 105, 220, 244, 



324- 



( var.) insculpta, 25, 105, 



146, 214, 322, 324. 



diadema, 244. 



funiculata, 37, 244. 



MoAndreae, 244. 



Ochotensis, 114, 245. 



retiporosa, 99, 146, 244. 



spoiigiosa, 99, 146, 244. 

 Orbicnla 



Camingii, 54, 205, 280. 



Evansii, 55, 287. 



Norvegica, 55. 



ostreoides, 55. 



striata, 55. 



strigata, 54. 

 Orthalicus 



livens, 59, 251, P 176. 



Mexiuaiuis, 250, P 177. 



prinoeps, P 177. 



undatus, 158, 363, P 176. 



zebra, 93, 158, 170, 363, 

 P 176. 



Ziegleri, 251, P 177. 

 Orthocera 



glabra, X 436. 



imperforata, X 425. 



traohea, X 414, X 423. 

 Oscilla 



exarata, 33, no, P 415. 



terebellum, no. 



ziziphiua, 33, P 416. 



Osilinus 



ater, 321, 348, 351. 



gallinus, 321. 



var. U 204, 



Osteodesma 



bracteatum, 17, O 209, 210. 



Califoniioum, 231. 



corbiiloides, 222. 



diaphanum, 287, Q 228. 



hyalinum, 119, O 209, 210, 

 222. 



nitidura, 17, O 226, 228, 

 U 199, Q 229. 

 Ostrea 



sequatorialis, 191, 250, P 



157- 



amara, 27, 38, 107, 152, 199. 



bicolor, P 161. 



borealis, 74. 



Bourgeoisii, 119. 



Canadensis, P 160, P 550. 



Columbiensis, 107, 132, 186, 

 226, 250, 277, 312, 

 P 161. 



conohaphila, 38, 78, 132, 151, 

 152, 199, 198, 233, O 250, 

 277, 282, 312, O 351, 

 353, O 365, P 159, P 161, 

 P 163, P 352, P 482, V 220. 



Cumingiana, 250, 312, 

 352, P 163. 



edulis, 85, 132, 198, P 159, P 

 i6i. 



f7!ar. expansa, loi, 132, 306. 



frons, 6. 



gallus, 14. 



Heermanni, 76. 



iridesoens, 107, U7, 198, 273, 

 274, 162, 226, 250, 

 312,0 365, P 157, p 162, 

 P 164. 



var. latioaudata,. loi, 132, 305. 



longiro-tris, P 160. 



lurida, 85, 92, loi, 132, 305. 



* rar. 76. 



margaritaoea, 250. 



