OF WEST COAST MOLLUSCA. 25 



480 Paehypoma gibberosum Chem. 

 Str. Fuca to Catalina I. New Zealand ? 



481 Leptothyra sanguinea Cpr. 



Str. Fuca to San Diego Japan Europe 1 



482 Leptothyra bacula Cpr. 

 Santa Barbara to Catalina I. 



483 Leptothyra paucicostata Doll, (Mss.) 



Monterey. 



484 Liotia fenestrata Cpr. 

 Monterey to Catalina I. 



485 Liotia acuticostata Cpr. 

 Monterey to Catalina I. 



486 Ethalia supravallata Cpr. 

 San Diego shell washings. 



487 Ethalia invallata Cpr. 



San Diego shell washings var ? 



488 Livona picoides Gld. 



Pt. Conception or San Buenaventura ? Cal. 



489 Trochiscus Norrisii Sby. 



Santa Barbara to San Diego Monterey? 



490 Trochiscus convexus Cpr. 

 "Monterey," (Jewett coll.) 



491 Chlorostoma funebrale A. Ad. 



Str. Fuca to San Diego Sitka. 



492 Chlorostoma funebrale var. suba- 

 Neeah Bay, W. T. (Young ?) [pertum Cpr. 



493 Chlorostoma gallina Fbs. 



Cruz I., Cal., to Margarita Bay, Lower Cal. 



494 Chlorostoma gallina var. pyriformis 

 San Diego. [Gld. 



495 Chlorostoma brunneum Phil. 

 Cape Mendocino to Santa Barbara. 



496 Chlorostoma Pfeifferi Phil. 

 Baulines Bay to Nicolas I., Cal. 



497 Chlorostoma aureotinctum Fbs. 

 Monterey ? Santa Barbara to Lower Cal. 



498 Omphalius fuscescens Phil. 

 Catalina I. to San Diego, Cal. 



499 Calliostoma canaliculatum Mart. 

 Str. Fuca to San Diego, Cal. 



500 Calliostoma costatum Mart. 

 Str. Fuca to Barbara I., Cal. Sitka. 



501 Calliostoma annulatum Mart. 

 Str. Fuca to San Diego. 



5 



