62 



3284 Rissoina expansa Cpr. Mazatlan. 



3285 Rissoina peninsularis. Cape San Lucas. 



3286 Rissoina townsendi. Agut Verde bay, Baja Cal. 



3287 Rissoina barthelowi. Conception bay, Baja Cal. 



3288 Rissoina kelseyi. 



Rissoa kelseyi Dall & Bartsch, and Alaba oldroydi Dall are 

 synonyms. 



3289 Rissoina lapazana. La Paz, Baja Cal. 



3290 Rissoina histia. Off La Paz, Baja Cal. 



3291 Rissoina burragei. Gulf of Cal. 



3292 Rissoina nereina. Point Abreojos, Baja Cal. 



3293 Rissoina pleistocena. San Diego, Cal. (Pleistocene). 



3294 Rissoina californica 



Off South Coronado Isl., Baja Cal., in 3 fms. Catalina Isl., Cal. 



3295 Rissoina mexicana. Mazatlan. — Gulf of Cal. 



3296 Rissoina bakeri. San Pedro, Cal. 



3297 Rissoina newcombei Dall. Vancouver Island. 



3298 Rissoina cleo. Off South Coronado Isl., in 3 fms. 



3299 Rissoina cerrosensis. Off Cerros Island, Baja Cal. 



3300 Rissoina dalli. San Pedro, Cal. 



3301 Rissoina coronadoensis. Off Coronado Islands. 

 Type localities are named after above species. 



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