460 



BULLETIN OF THE 



Aurinia robusta, II. 13, 144, 145, 153. 

 Avicula, I. 100, 233 ; II. 374. 



atlantica, I. 190, 233. 

 Axinus orbiculatus, I. 267. 



Barbatia, I. 244. 



Basilissa, II. 32, 268, 274, 368, 373, 

 384. 



alta, II. 32, 268, 383, 384. 



costulata, II. 32, 383, 384, 385. 

 v. delicatula, II. 32, 384. 

 v. depressa, II. 383, 384. 

 v. oxytoma, II. 384. 



reticulata, II. 385. 



superba, II. 384. 

 Basterotia, I. 198, 316. 



corbuloides, I. 316. 



granatina, I. 198, 316. 



quadrata, I. 316. 

 Bathymophila, II. 32, 378. 

 Bela, II. 81. 



Blakeana, II. 126. 



demersa, II. 128. 



extensa, II. 126. 



filifera, II. 123. 



limacina, II. 106. 

 Benthobia, II. 12, 131. 



Tryonii, II. 132. 

 Benthodolium, II. 19, 228, 229. 



abyssorum, II. 229. 

 Benthonella, II. 25, 281, 455. 



Fischeri, II. 25, 282. 



gaza, II. 25, 282. 



nisonis, II. 25, 283. 

 Bifrontia, II. 276. 



Pingeli, II. 276. 



Rochettina, II. 276. 

 Biplex, II. 223. 



perca, II. 223. 



rosa, II. 223. 

 Bittium, II. 22, 257, 266. 



abruptum, II. 257. 



alternatum, II. 22, 257.* 



gibberulum, II. 258. 



nigrum, II. 257 * 258. 



pallidum, II. 258. 



varium, II. 22, 258. 



yucatecanum, II. 257, 266. 

 Bivonia, II. 23, 263, 264. 



exserta, II. 23, 264. 

 Boreotropbon, II. 18, 204, 205, 209, 210. 



actinopliorus, II. 18, 200, 206. 



aculeatus, II. 18, 205. 



Boreotrophon Dalli, II. 18, 204. 



v. lacunellus, II. 18, 205. 

 Borsonia, II. 10, 97. 



ceroplasta, II. 10, 97. 



prima, II. 97. 



sericea, II. 97. 

 Botula, I. 235. 

 Brocchia, II. 289. 

 Broderipia, II. 343. 

 Brugnonia, II. 224. 

 Buccinidse, II. 174. 

 Buccinopsis, II. 176. 

 Buccinum altile, II. 176. 



ambiguum, II. 184. 



Escheri, II. 176. 



hydrophanum, II. 259. 



integrum, II. 132. 



muriciformis, II. 204. 



niveum, II. 180, 181. 



reticulatum, II. 221. 



sinuatum, II. 72. 



zonale, II. 179. 

 Buffo, II. 223. 

 Bufo, II. 223. 

 Bufonaria, II. 223. 

 Bulimulus, II. 375. 



acutus, II. 375. 



trifasciatus, II. 375. 

 Bulimus, II. 456 

 Bulla, II. 7, 55. 



abyssicola, II 7, 56, 57. 



acuta, II. 50. 



alba, II. 55. 



bidentata, II. 46. 



biplicata, II. 46. 



clausa, II. 7, 57. 



conica, II. 49. 



conulus, II. 49. 



eburnea, II. 7, 55, 57. 



fucicola, II. 50. 



grandis, II. 54. 



Krebsii, II. 7, 56. 



occidentalis, II. 7, 55, 56. 



pallida, II. 142. 



pinguicula, II. 56. 



plicata, II. 53. 



punctostriatus, II. 52. 



solid;v, II. 57. 



striata, II. 56. 



succinea, II. 67. 



turrita, II. 47. 



uniplicata, II. 53. 



utriculus, II. 56. 



