61 



765 Cytherea crassatelloides Conrad. 



Stearns, Nautilus 13:73 gives a list of synonymy. 

 See No. 116. 



766 Cythna albida Carpenter. 



San Pedro, Cal. — Mazatlan, Mexico? 

 Synonym of Cythna tumens Carpenter. 



767 Daphnella clathrata Gabb. 

 Catalina Island, California, 60 fms. 



768 Daphnella? fuscoligata Dall. 

 Monterey, California. 



769 Daphnella variegata Carpenter. 

 Monterey to San Diego. 



770 Darina declivis Carpenter. 

 Straits of Puca to California. 



771 Denronotus arborescens Muller. 



Circumboreal — South to British Isles and Massachusetts — 

 Sitka, Alaska. 



772 Dendronotus purpureaus? Bergh. 

 Vancouver Island (and north?). 



773 Dentalium pretiosum Nuttall. 



British Columbia to California. Vancouver Isl. (R. E. C. 

 Stearns). 



Synonymy: — Dentalium Indianorum Cpr. 



774 Dentalium rectius Carpenter. 

 Straits of Fuca. 



775 Dentalium semipolitum Broderip. 

 San Diego to Gulf of California. 



776 Dentalium tetragonum Sowerby. 



Margarita bay, Lower California, to Ecuador, South America. 



777 Diala acuta Carpenter. 



Monterey to Santa Barbara Islands, California. San Diego? 

 (R. E. C. Stearns). 



778 Diala marmorea Carpenter. 

 Monterey, Cal., to Cape St. Lucas. 



779 Diapahana debilis Gould. 

 Arctic sea to Northern Europe. 

 New Jersey, and Vancouver Island. 



780 Diplodonta semiaspera Philippi. 



San Pedro, Cal., to Gulf of California — West Indies. 



781 Donax navicula Sowerby. 



San Pedro? Gulf of California to Panama. 



782 Depranostoma yatesi J. G. Cooper. 

 Synonym of Ammonitella yatesi Cp. 



783 Drillia aurantia Carpenter. 

 Santa Barbara to San Pedro, Cal. 



784 Drillia cancellata Carpenter. 

 Straits of Fuca. 



785 Drillia hemphilli Stearns. 



Southern California and Lower California. 



786 Drillia incisa Carpenter. 



Straits of Fuca to San Cruz, California. 



787 Drillia montereyensis Stearns. 

 Monterey, California. 



788 Drillia penicillata Carpenter. 



San Pedro, Cal., to Lower California. 

 A form of Drillia inermis. 



789 Emarginula bella Gabb. 



Santa Cruz to Monterey, California. 



790 Entodesma inflata Conrad. 



Monterey, Cal., to Guayaquil, South America. 



