16 



INDEX OF SPECIES. 



Alvanla 



tumida, 36, 109, 189, 327, 

 3S7, P 359, P 360. 



turrita, 327. 

 Amalia 



Columbiana, 159- 

 Amalthea 



effodiens, R 5. 



Grayana, P 299, R 4. 



Panamensis, P 297, R 3. 

 Amiantis 



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

 279. 

 Amlcula 



vestita, 71. 

 Amnicola 



Hindsii, 90. 



longinqua, 79, 162, 283, 325. 



Nuttalliana, 84, 162. 



protea, 79, 162, 283, 325. 



seminalis 84. ' 

 Amphidesma (:==Seinele) 



bicolor, 203, 279. 



Californicum, 289. 



corbuloides, 222. 



corrugatum, 62. 



deolsum, 195, 228, V 213. 



ellipticum, 39, 203, 279. 



flavesoeus, 226, U 199. 



nucleolus, P 108. 



physoides, P 105. 



proximum, 39, 62, 203, 279, 

 289, P 28. 



pulohrum, 203, 188, 280. 



punctatum, 182. 



roseum, 195, 228, V 213. 



rubrolineatum, 195, V 212. 



rupium, 182. 



striosum, 39, 203, 280, 



tortuosum, 203, 280. 



venustum, P 28. 



ventricosum, 39, 203, 280. 

 Amphichaena 



Kindermanni, 297. 



regularis, 104, 210. 



Amphithalamus 



inclusus, 23, 100, 142, 283. 

 lacunatus, 99, 143. 

 AmpuUaria 



cerasum, O 291. 

 Columbiensis,' 155, 291. 

 Cumingii, 179, 291, 326. 

 malleata, 295, 326. 

 Amusium 



caurliium, 22, 70, 73, 74, 81, 131, 



165, 169. 

 Amycla 



Californiana, 23, 148. 

 clirysalloidea, 99, 148. 

 oornioulata, 288. 

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



149. 

 Gouldiana, 53. 

 minor, 2S8. 



tuberosa, 23, 25, 114, 148, 288. 

 undata, 99, 148, 

 Anachis 



albonodosa, 263, 343, P 512. 



atramentaria, 180, 0361,0344. 



auriflua, 112. 



azora, 225. 



Californica, 25. 



conspicua, 180, 269, 344. 



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



173,0343, P5oS,P 513. 

 costellata, 25, 180, 210,0 225, 



263, 343, 364 P 506, 



P507. 

 ?costellata, var. 263. 

 (?oostellata, var.) pachyderma, 



263, P 507. 

 costulata, 363. 

 diminuta, 25, 180, 269, O344. 

 fulva, 180, 263, 283, 343, 



P509. 

 fluctuata, 25, 59, 61, 180, 344. 

 fascostrigata, 105, 221. 

 Gaskoinei, 20, 53, 1 1 2, 260, 263, 



343, P 511. 

 gracilis, 180, 344. 



