16 



INDEX OF SPECIES. 



Alvania 



tumida, 36, 109, 189, 327, 

 357, P 359, P 36o. 



turrita, 327. 

 Amalia 



columbiana, 159. 

 Amaltliea 



effodiens, R 5. 



Grayana, P 299, R 4. 



Panaraensis, P 297, R 3. 

 Amiantis 



callosa, 22, 26, 39, 106, 126, 151, 



279. 

 Amicula 



vestita, 71. 

 Amnicola 



Hindsii, 90. 



longinqua, 79, 162, 283, 325. 



Nuttalliana, 84, 162. 



protea, 79, 162, 283, 325. 



seminalis 84. 

 Amphidesma (=Semele) 



bicolor, 203, 279. 



Californicum, O 289. 



corbuloides, 222. 



corrugatura, 62. 



decisum, 195, 228, V 213. 



ellipticum, 39, 203, 279. 



flavesceus, 226, U 199. 



nucleolus, P 108. 



physoides, P 105. 



proximum, 39, 62, 203, 279, 

 289, P 28. 



pulchrum, 203, 188, 280. 



punctatum, 182. 



roseum, 195, 228, V 213. 



rubrolineatum, 195, V 212. 



rupium, 182. 



striosum, 39, 203, 280. 



tortuosum, 203, 280. 



venustuin, P 28. 



ventricosum, 39, 203, 280. 

 Amphichaena 



Kindermanni, 297. 



regularis, 104, 210. 



Amphithalamus 



inclusus, 23, 100, 142, 283. 



lacunatus, 99, 143. 

 Ampullaria 



cerasum, 291. 



Coluinbiensis, 155, O 291. 



Cumingii, 179, O 291, O 326. 



malleata, 295, O 326. 

 Amusium 



caurinum, 22, 70, 73, 74, Si, 131, 



165, 169. 

 Amycla 



Californiana, 23, 148. 



clirysalloidea, 99, 148. 



corniculata, 288. 



gausapata, 23, 25, 76, 114, 148, 

 149. 



Gouldiana, 53. 



minor, 288. 



tuberosa, 23, 25, 1 14, 148, 288. 



undata, 99, 148. 

 Anachis 



albonodosa, 263, 343, P5I2. 



atramentaria, 180, 361, 344. 



auriflna, 112. 



azora, 225. 



Californica, 25. 



conspicua, 180, 269, 344. 



coronata, 25, 112, 151, 155,0 263, 

 171,0343, P 508, P 513. 



costellata, 25, 180, 210, O 225, 

 263, 343, 364 P 506, 



?costellata, var. 263. 

 (?costellata, var.) pachyderma, 



263, P 507. 

 costulata, 363. 

 diminuta, 25, 180, 269, 6344. 

 fulva, i So, 263, 283, 343, 



P 5 o 9 . 



flactnata, 25, 59, 61, 180, O 344. 

 fuscostrigata, 105, 221. 

 Gaskoinei,20,53, 112,260,0263, 



0343, P 5i I- 

 graoilis, 180, 344. 



