NORTHWEST COAST MARINE SHELLBEARING MOLLUSKS. 137 
AMAURA MORATORA Dali and Bartsch, 1909. 
U S. Nat. Mus., Bull. 68, p. 225, pi. 30, fig. 7. 
Off Point Reyes, California. 
AMAURA PESA Dali and Bartsch, 1909. 
U. S. Nat. Mus., Bull. 68, p. 226, pi. 29, fig. 2. 
Kodiak Island, Alaska. 
AMAURA NOTA Dali and Bartsch, 1909. 
U. S. Nat. Mus., Bull. 66, p. 226, pi. 28, fig. 6. 
Santa Rosa Island, to San Diego, California. 
AMAURA ILIULIUKENSIS Dali and Bartsch, 1909. 
U. S. Nat. Mus., Bull. 68, p. 227, pi. 29, fig. 4. 
Unalaska Island, Alaska. 
AMAURA NUCIFORMIS Carpenter, 186^. 
Ann. Mag. Nat. Hist., ser. 3, vol. 15, p. 30; U. S. Nat. Mus., Bull. 68, pi. 28, 
fig. 1. 
Neah Bay, Washington. 
AMAURA WASHINGTONIA Bartsch, 1920. 
Journ. Wash. Acad. Sci., vol. 10, 1920^ 
San Juan Islands, Gulf of Georgia. 
AMAURA CANFIELDI Dali, 1908. 
Nautilus, vol. 31, p. 131 ; U. S. Nat. Mus., Bull. 68, pi. 28, fig. 2, 1909. 
Barkley Sound, British Columbia, to San Diego, California. 
AMAURA SUBTURRITA Dali and Bartsch, 1909. 
U. S. Nat. Mus., Bull. 68, p. 228, pi. 28, fig. 4. 
Santa Barbara, California, to Todos Santos Bay, Lower California. 
AMAURA MARTENSI Dali and Bartsch, 1906. 
Proc. U. S. Nat. Mus., vol. 30, p. 361, pi. 15, fig. 5. 
Killisnoo, Alaska. 
Subgenus Heiua Dali and Bartsch, 1904. 
HEIDA KELSEYI Bartsch, 1912. 
Proc. U. S. Nat. Mus., vol. 42, p. 288, pi. 38, fig. 6. 
San Diego, California. 
Subgenus Odostomia s. s. 
ODOSTOMIA FARELLA Dali and Bartsch, 1909. 
U. S. Nat. Mus., Bull. 68, p. 232, pi. 30, fig. 4. 
Off Long Beach, California. 
ODOSTOMIA DINELLA Dali and Bartsch, 1909. 
U. S. Nat. Mus., Bull. 68, p. 232, pi. 30, fig. 1. 
Off Redondo, California. 
ODOSTOMIA CORONADOENSIS Dali and Bartsch, 1909. 
U. S. Nat. Mus., Bull 68, p. 233, pi. 30, fig. 3. 
Off Coronado Beach, San Diego, California. 
ODOSTOMIA ORCUTTI Bartsch, 1917. 
Proc. U. S. Nat. Mus., vol. 52, p. 667, pi. 46, fig. 8. 
San Diego, California. 
