OF THE NORTHWEST COAST OF AMERICA 43 



Pholadidea ovoidea Gould, 1851. 



Bering- Sea and islands, and south to the Gulf of Gal. 

 Pholadidea parva Tryon, 1865. 



San Pedro, Gal., to Lower Galifornia, in shells of Haliotis. 



Subgenus Nettastomella Garpenter, 1865. 



Nettastomella rostrata Valenciennes, 1846. 

 Puget Sound to San Diego, Gal. 



Genus INIartesia (Leach) Blainville, 1824. 



Martesia xylophaga G. B. Adams, 1852, 



San Francisco. Gal., to Panama. 

 Martesia intercalata Garpenter, 1855. 



Farallones Islands to Gatalina Island, Gal. 



Genus Xavea Gray, 1851. 



Navea subglobosa Gray, 1851. 



Lobitas to Monterey, Gal. 



Genus Xylophaga Turton, 1822. 



Xylophaga mexicana Dall. 1908. 



Monterey, Gal., to Acapulco. 



Family Teredidse 

 Genus Xylotrya (Leach) Gray, 1847. 



Xylotrya ? species. 



Bering Island, Bering Sea. 

 Xylotrya setacea Tryon. 



Bering Sea to Gulf of Galifornia. 



Genus Teredo Linne, 1758. 



Teredo diegensis Bartsch, 1916. 

 San Diesfo, Gal. 



SYXOXYMIG XOTES. 



Angulus modestus Gpr.. var. obtusus, Gpr., 1864, see Oudardia 



button i. 

 Anomia lampe Gray, 1849, see A. peruviana Orb. 1846. 

 Avicula Lam. 1799, see Pteria Scopoli, 1777. 

 Cumingia californica Gonr. 1837, see C. laniellosa Sby, 1833. 



