OF THE NORTHWEST COAST OF AMERICA 35 



Subgenus Petricolaria Stoliczka, 1870. 

 Petricolaria denticulata Sowerlw, 1834. 



? Family Cooperellickie 

 Genus Cooperella Carpenter, 1864. 



Cooperella subdiaphana Carpenter, 1864. 



Queen Charlotte Islands to Gulf of California. 



Supcrfomily Tellinaeea 



Family Tellinidae 



G*c'/;//.y Tellina (L.) Lamarck, 1799. 



Tellina idae, Dall, 1891. 



Santa Barbara Islands and San Pedro, Cal. 



Subgenus Arcopagia Leach, 1827. 

 Section Merisca Dall, 1900. 



Arcopagia lamellata Carpenter, 1857. 



San Diego, Cal., to Mazatlan. 

 Arcopagia declivis Sowerby, 1868. 



Catalina Island, Cal., to Panama. 



Subgenus Moerella Fischer, 1887. 



Moerella salmonea Carpenter, 1864. 



Aleutian Islands to San Pedro, Cal. 

 Moerella meropsis Dall, 1900. 



San Diego, Cal., to the Gulf of California. 



Subgenus Angulus Megerle, 1811. 



Angulus carpenteri Dall, 1900. 



Xeeah Bay, Wash., to Gulf of California. 

 Angulus panamensis Dall, 1900. 



Catalina Island, Cal., to Panama. 

 Angulus modestus Carpenter, 1864. 



A'ancouver Island to San Francisco, Cal. 



Subgenus C)udar(lia ]\Ionterosato, 1884. 



Oudardia button! Dall, 1900. 



Lituya Bay, Alaska, to the Gulf of California. 



Subgenus Peronidia Dall, 1900. 



Peronidia bodegensis Hinds, 1844. 



A'ancouver Island, B. C, to Gulf of California. Japan? 

 Peronidia santarosas Dall, 1900. 



Santa Barbara Islands and San Diego, Cal. 



