OF THiE NORTHWEST COAST OF AMERICA 15 



Family Pteriidae 

 Genus rteria Scopoli, 1777. 



Pteria viridizona Dall, 1016. 



Long Beach, California (Lowe). 



? Family Philobryidae 

 Genus Philobrya Carpenter, 1872. 



Philobrya setosa Carpenter, 1864. 



Forrester Island, Alaska, to Gulf of California. 



Super family Ostracea 



Family Ostreidae 



Genus Ostrea Linne, 1758. 



Ostrea veatchii Gabb, 1866. 



Fossil at San Diego ; living in the Gulf of California. 

 Ostrea palmula Carpenter. 1857. 



Puget Sound to Gulf of California. 

 Ostrea lurida Carpenter, 1864. 



Sitka to Cape St. Lucas. 

 Ostrea elongata Solander. 1786, var. e7><;/H;Va Gmelin, 1792. 



Imported from the Atlantic Coast. 



Sup erf amity Pectinacea 



Genus Pecten Miiller, 1776. 



Subi^enus Pecten s. s. 



Pecten diegensis Dall, 1898. 



Monterey to San Diego and the Cortez Bank. 



Subiienus Chlamys Bolten, 1798. 



Chlamys hericius Gould, 1850. 



Port Althorp, Alaska, to San Diego. California. 

 Chlamys hericius Gould, var. (?) albidus Dall, 1914. 



Aleutian Islands. 

 Chlamys hastatus Sowerby, 1843. 



Monterey to San Pedro, California. 

 Chlamys hindsii Carpenter, 1864. 



Bering Sea to Cape St. Lucas. 

 Chlamys hindsii variety navarchiis Dall, 1898. 



Bering Sea to San Diego. Cal. 

 Chlamys islandicus JMuller, 1776. 



Arctic Ocean to Kamchatka and Puget Sound. Also 



Atlantic. 



