36 



INDEX OF SPECIES. 



Chrysodomus 



var. BehriDgianus, S'^. 

 carinatus, 25, 322. 

 cassidariaeformis, 70. 

 decetncostatus, 83, 149. 

 deformis, 70, 343. 

 dirus, 19, 25, 77, 83, 150, 322. 

 despectus, var. 25. 

 fornicatus, 347. 

 incisus, 83, 150. 

 Xslandicus, 71, O 343. 

 liratus, 4, 20, 149, 169. 

 luridus, 343. 

 Midilendoi-ffi, 20, S3, 149. 

 rectirostris, 89, 150. 

 Schantaricus, 71. 

 Sitchensis, 49, 2>t„ 150, 343. 

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

 "4, 149, 322. 

 Clngula 



inconspicua, ;iT„ 36, 190. 



? O274. 



laevls, 220. 

 minuta, 20, 220. 

 paupercula, ^2,, 36, 190, 259, 



274, 327. 

 saxicola, 274, 327. 

 striata, 220. 



terebellura, t,!,, 36, 190, O 274. 

 tervaricosa, 257, P 366. 

 ?turiita, 2,3, 3^, 19°, 274. 

 Circe 



margarita, 247, 306, P Si, 



P82. 

 minima, 30, P 82. 

 nummnlina, 58. 

 subtrigona, 247, 306, P 82. 

 Circostrema 



diadema, 336, 360, P 448. 

 fiiniculata, 192, 260, 284, 

 336, 360, P 447. 



Cirrus 



nodosus, P 354. 



Cistula 



trochlearis, 45. 



Cithara 



concinna, 183. 



fuscouotata, 104, 218. 



siuuata, 2S4, 332, S 162. 



stromboides, 24, 59, 109, 

 332. 



?triticea, 24, 109. 

 Clathrus 



liexagoniis, P 446. 

 Clatliurella 



auiea, 259, 331, P 400. 



bella, 332. 



bicanalifera, 183, 332, P 

 400. 



Candida, 332. 



cornuta, 332. 



corrugata, 332. 



ericea, 332. 



exigua, O 332. 



intercalaris, 284, 332. 



geramulosa, 332. 



merita, 332. 



micans, 332. 



neglecta, 332. 



occata, 332. 



quisqualis, 332. 



rava, 259, P 399, P 400. 



rigida, 184, 332. 



pculpta, 332. 



serrata, 2S4, 332. 



variculosa, 332. 

 Clavella 



distorta, 25, 179, 344. 

 Clavatula 



aspera, 205. 

 bella, 205. 

 crelata, 205. 

 Californica, 75. 

 Candida, 205. 

 ericea, 205. 

 Griffithii, 61. 

 impressa, 205. 

 Inctnosa, 205, P 397. 

 merita, 205. 

 micans, O 205. 

 militaris, 205. 



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