80 



1087 Surcula perversa Gabb. 

 Vancouver Island to San Diego. 



1088 Surcula tryoniaua Gabb. 



Var. of carpenteriana? (Fossil only?) 



1089 Tapes grata Say. 



San Pedro, Cal., to Ecuador, Soutb America. 



1090 Tapes laciniata Carpenter. 

 Monterey to Lower California. 



1091 Tellina lamellata Carpenter. 



San Diego, Cal., to Mazatlan, Mexico. 



1092 Tellina modesta Carpenter. 

 Straits of Fuca, Washington. 



1093 Tellina pura Gould. 



San Diego, Cal., to Gulf of California. 



1094 Tellina salmonea Carpenter. 

 Kodiak Island, Alaska, to Monterey, Cal. 



1095 Terebra specillata Hinds. 



San Pedro, Cal., to Gulf of California. 



1096 Testacella niaugerae Draparnaud. 



England and West Europe — Introduced in San Francisco, Cal. 



1097 Thracia curta Conrad. 



Straits of Fuca to San Diego, Cal. (W. S. Fisher). 



1098 Thracia beringi Dall. 

 Behring Sea to Vancouver Island. 



1099 Tornatina culcitella Gould. 

 Monterey to San Diego, Cal. 

 Keep, W. C, S 125 f 114. 



1100 Tornatina harpa Dall. 

 Monterey, Cal. 



1101 Tornatina inculta Gould. 

 San Diego, Cal. 



1002 Trichoptropis bicarinata Broderip. 

 Arctic sea to Japan and Alaska. 



1103 Trichotropis cancellata Hinds. 



Sitka, Alaska, to Puget Sound, Washington. 



1104 Triodopsis sanburni W. G. Binney. 

 Kingston, Idaho. 



1105 Triodopsis hemphilli W. G. Binney. 

 Idaho and Montana. 



11 06 Triodopsis mullani Bland. 

 Cceur d'Alene mountains, Montaina. 



1107 Triodopsis levettei Bland. 

 New Mexico, Arizona, and Mexico. 



1108 Triodopsis harfordiana W. G. Binney. 

 Salmon river, Idaho. 



1109 Triodopsis loricata Gould. 



Shasta county to Mariposa and Alameda counties, California. 



1110 Tritonium oregonense Redfield. 

 Ounalaska to Monterey and Japan. 



1111 Tritonium pileare Linne. 



Florida to West Indies — Gulf of California to Panama — Poly- 

 nesia to Japan and Red Sea — Circumtropical? 



1112 Trivia radians Lamarck. 



San Pedro, Cal., to Ecuador, South America. 



1113 Trivia sanguinea Gray. 



Catalina Island, California, to Peru, South America. 



1114 Turritella jewetti Carpenter. 

 Santa Barbara and southward. 



1115 Tylodina fungina Gabb. 



Santa Barbara Island to San Pedro, Cal. 



