36 



INDEX OF SPECIES. 



Chrysodomus 



var. Beiiringianus, 83. 

 carinatus, 25, 322. 

 cassidariaeformis, 70. 

 decemcostatas, S3, 149. 

 deformis, 70, 343. 

 dims, 19, 25, 77, S3, 150, 322. 

 despeetus, rar. 25. 

 fornicatus, 347. 

 incisns, S3, 150. 

 Islandicus, 71, 343. 

 liratns, 4, 20, 149, 169. 

 luricliis, O 343. 

 Midilendoi-ffi, 20, S3, 149. 

 rectirostris, S9, 150. 

 Schantaricus, 71. 

 Sitchensi?, 49, S3, 150, 343. 

 tabulatus, 25, 83, 89, 90, 102, 

 "4, 149, 322. 

 Cingula 



inconspicua, 22i 3^t IQO- 



? O 274. 



laevis, O 220. 

 minuta, 20, 220. 

 paupercula, 33, 36, 190, 259, 



O 274, O 327. 

 sasicola, O 274, 327. 

 striata, O 220. 



terebellum, 33, 36, 190, 274. 

 tervaricosa, O 257, P 366. 

 ?tarrita, 33, 36, 190, 274. 



Circe 



luargarita, 247, 306, P Si, 

 P 82. 



minima, 30, P 82, 



nnmmnllna, 58. 



subtrigona, O 247, 306, P S2. 

 Circostrema 



diadema, 336, O 360, P 44S. 



funiculata, 192, 260, 284, 

 O 33<i, 360, P 447. 

 Cirrus 



noJosus, P 354. 



Cistula 



truuhlearis, 45« 



Cithara 



couuinna, 1S3. 

 fuscoiiotata, 104., 218, 

 siuuata, O 2S4, 332, S 162. 

 stromboides, 24, 59, 109, 



3j-' 

 ?triticea, 24, 109. 

 Clathrua 



bexagonus, P 446. 

 Clathurella 



aiiiea, 259, O 331, P 400. 



bulla, 332. 



bicanalifera, 183, O 332, P 



400. 

 Candida, O 332. 

 cornuta, 332. 

 corrugata, O 332. 

 ericea, 332. 

 exigua, O 332. 

 intercalaris, O 284, 332. 

 geminulosa, O 332, 

 merita, 332. 

 micans, 332. 

 neglecta, O 332. 

 occata, 332. 

 qiiisqualis, O 332. 

 rava, O 259, P 399, p 400. 

 rigida, 184. O 332. 

 sculpta, O 332. 

 serrata, 2S4, 332. 

 variculosa, 332. 

 Clavella 



distoita, 25, 179,0344. 

 Clavatula 



aspera, O 205. 

 bella, 205. 

 caelata, 205. 

 Californica, 75. 

 Candida, O 205. 

 ericea, 205. 

 firiffithii, 61. 

 iinpressa, O 205. 

 lnctnosa, O 205, P 397. 

 merita, 205. 

 rnicans, O 205. 

 militaria, O 205. 



