84 



INDEX OF SPECIES. 



Onychoteuthis 



Bergii, O 218, 223, 345. 



fusiformis, 99, 118, 119, 150. 



Kamtschatica, 218, 223. 

 Opalia 



attenuata, 244. 



australis, 244, 245. 



bicarinata, 244. 



borealis, 18, 99, 114, 146. 



bullata, 23, 146, 287. 



crassicostata, 244, 245. 



crassilabrum, 244. 



crenata, 105, 220, 244, 324. 



crenatoides, 105, 220, 244, 



( var.') insculpta, 25, 105, 



146, 214, 322, 324. 



diadema, 244. 



funiculata, 37, 244. 



Me Andreas, 244. 



Ochotensis, 114, 245. 



retiporosa, 99, 146, 244. 



spongiosa, 99, 146, 244. 

 Orbicula 



Cumingii, 54, 205, 280. 



Evansii, 55, 287. 



Norvegica, 55. 



ostreoides, 55. 



striata, 55. 



strigata, 54. 

 Orthalicus 



livens, 59, 251, P 176. 



Mexicanus, O 250, P 177. 



princeps, P 177. 



undatus, 158,0 363, P 176. 



zebra, 93, 158, 170, O 363, 

 P 176. 



Ziegleri, 251, P 177. 

 Orthocera 



glabra, X 436. 



imperforata, X 425. 



trachea, X 414, X 423. 

 Oscilla 



exarata, 33, no, P 415. 



terebellnra, no. 



ziziphina, 33, P 416. 



Osilinus 



ater, 321, 348, 351. 



gallinus, 321. 



var. U 204. 



Osteodesma 



bracteatum, 17, O 209, O 210. 



Californicum, 231. 



corbuloides, O 222. 



diaphanum, 287, Q 228. 



hyalinum, 119, 209, O 210, 

 222. 



nitidum, 17, O 226, 228, 



U 199, Q 229. 

 Ostrea 



seqnatorialis, 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. 



conchaphila, 38, 78, 132, 151, 

 152, 199, 198, O 233, 250, 

 277,0 282, 312, 351, 

 353, O 3 6 5, P J 59, P 161, 



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



Cumingiana, 250, 312, 



352, P 163- 

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



161. 



tvar. expansa, 101, 132, 306. 

 frons, 6. 

 gallus, 14. 

 Heermanni, 76. 

 iridescens, 107, 117, 198, 273, 



274, 162. 226, O 250, 



312,0 365, P. 157, P 162, 



P 164. 



var. laticaudata, 101, 132, 305. 

 longiro-tris, P 160. 

 lurida, 85, 92, 101, 132, 305. 



var. 76. 



margaritacea, 250. 



