280 



INDEX OF GENERA AND SPECIES. 



BUCCINUM, 74, 112, 156, 219. 



corrugatum, 74. 



devinctum, 112. 



elegans, 74. 



fossatum, 47. 



liratum, 156, 219. 

 BULLA, 87, 115, 116, 232. 



Adamsi, 87. 



culcitella, 88. 



Hornii, 232. 



jugularis, 116. 



nebulosa, 87. 



petrosa, 115. 

 BULLIA, 156, 219. 



moniltferum, 157. 



striata, 157, 219. 

 BUSYCON, 111, 149, 217. 



Slakei, 149. 



Oregonensis, 111. 



C.&CUM, 81. 



Cooperii, 81. 

 Caesia, 47. 

 CALLIANASSA, 111, 127, 209. 



Oregonensis, 111. 



Stimpsonii, 127, 209. 

 CALLIOSTOMA, 17, 83, 170, 229. 



annulatum, 83. 



canaliculatum, 83. 



costatum, 83. 



radiatum, 170, 229. 



tricolor, 17, 83. 

 CALLISTA, 24, 96. 



Yoyi, 24, 96. 

 Calyptraea, 81. 



spinosa, 81. 



CANCELLARIA, 11, 50, 79, 114. 



altispira, 50, 79. 



gracilior, 50, 79. 



Oregonensis, 114. 



tritonidea, 11, 79. 



vetusta, 12, 79. 

 CANCER, 1, 69. 



Brewerii, 1, 69. 

 Cantharus, 147. 

 CARDITA, 100, 187, 243, 268. 



alticosta, 268. 



Hornii, 187, 243. 



monilicosta, 101. 



Occident alis, 101. 



planicosta, 187, 243. 



subtenta, 101. 



veneriformis, 243. 



ventricosa, 100. 

 CARDIUM, 27, 98, 120, 187, 242, 266. 



annulatum, 187, 242. ^ 



Brewerii, 242. 



Californianum, 98. 



centifilosum, 99. 

 * Cooperii, 242. 

 ' corbis, 98. 



elatum, 99. 



Gabbii, 21, 92. 



granuliferum, 267. 



linteum, 242. 

 / Meekianum, 27, 99. 



modestum, 120. 



Nuttallii, 98. 



Panamense, 99. 



Placerensis, 187, 242. 



R^mondianum, 242. 



sabulosum, 267. 



scitulum, 242. 



