10 



2003 Cerithiopsis fossilis 



3003 Cerithiopsis gloriosa 



2994 C. (C.) halia 



3013 C: ingens. Monterey, Cal. 



2646 Cerithiopsis nietaxae Cp. 



3012 C: Montereyensis. Monterey bay, Cal. 



1242 Cerithiopsis munita Cpr. 



2996 C. necropolitana 



2985 Cerithiopsis (Cerithiopsis) oxys 



3005 Cerithiopsis paramaea 



572 Cerithiopsis (Cerithiopsis) pedroana 



2988 C. (Cerithiopsis) pupif ormis Cpr. Mazatlan. 



2648 Cerithiopsis purpurea Cpr. 



2998 Cerithiopsis (Cerithiopsida) Rowelli 



2987 Cerithiopsis (Cerithiopsis) sorex Cpr. 



2992 C. (C.) Stejnegeri 



2993 Variety dina. Sitka, Alaska. 



2647 Cerithiopsis Stephansi Bartsch. 3011 

 3010 Cerithiopsis truncata Dall. 



3039 Cerithiopsis (Cerithiopsis) tuberculoides Cpr. 

 3039A Variety Albonodosa Carpenter. Mazatlan. 



712 Cerithiopsis tubercularis Montagu. 



713 Var. tuberculata Carpenter. 



714 Var. tuberculoides Carpenter. 

 475 Cerithiopsis tuberculata Mont. 



3014 C: tumida. Monterey, Cal. 

 3009 Cerithiopsis Williamsoni 



2291 Cerithium maculosum Kien. 



2292 Cerithium gemmatum Hinds. 



2293 Cerithium uncinatum Gmel. 



715 Chaetopleura conspicua Carpenter. 



716 Chaetopleura gemmea Carpenter. 



717 Chaetopleura hartwegi Carpenter. 



718 Chaetopleura nuttalli Carpenter. 



400 Chemnitzia chocolata aurantia Carpenter. 



401 Chemnitizia crebrifilata Carpenter. 



402 Chemnitzia tenuicalata Gould. 



403 Chemnitzia torquata Gould. 



404 Variety Stylina Carpenter. 



405 Chemnitzia virgo Carpenter. 

 466 Cerostoma foliatum Gmelin. 

 141 Cerostoma nuttallii Conr. 

 1454 Cetoconcha scapha Dall. 

 124 Chama exogyra 



2439 Chama muricata Hinds. 

 413 Chama pellucida Broderip. 

 309 Chama spinosa Sby 



719 Chione excavata Carpenter. 



720 Chione fluctifraga Sowerby. 



2166 Chione compta Brod. 1835. 



2167 Chione purpurissata Dall. 1902. 



2168 Chione pulicaria Brod. 1835. 



2169 Chione amathusia Phil. 1844. 



2170 Chione (Lirophora) Kellettii Hds. 1844. 



2171 Chione (Lirophora) Mariae Orb. 1847. 



2172 Chione (Timoclea) asperrima Sby. 1835. 



721 Chione gnidia Broderip. 



722 Chione simillima Sowerby. 



723 Chione succincta Valenciennes. 

 2322 Chione undatella Sby. 



