NORTHWEST COAST MARINE SHELLBEARING MOLLUSKS. 137 



AMAURA MORATORA Dall and Bartsch, 1909. 



U S. Nat. Mus., Bull. 68, p. 225, pi. 30, fig. 7. 

 Off Point Reyes, California. 



AMAURA PESA Dall and Bartsch, 1909. 



U. S. Nat. Mus., Bull. 68, p. 226, pi. 29, fig. 2. 

 Kodiak Island, Alaska. 



AMAURA NOTA Dall and Bartsch, 1909. 



U. S. Nat. Mus., Bull. 68, p. 226, pi. 28, fig. 6. 

 Santa Rosa Island, to San Diego, California. 



AMAURA ILIULIUKENSIS Dall and Bartsch, 1909. 

 U. S. Nat. Mus., Bull. 68, p. 227, pi. 29, fig. 4. 

 Unalaska Island, Alaska. 



AMAURA NUCIFORMIS Carpenter, 1865. 



Ann. Mag. Nat. Hist, ser. 3, vol. 15, p. 30 ; U. S. Nat. Mus., Bull. 08, pi. 28, 



fig. 1. 

 Neah Bay, Washington. 



AMAURA WASHINGTONIA Bartsch, 1920. 



Journ. Wash. Acad. Sci., vol. 10, 3920. 

 San Juan Islands, Gulf of Georgia. 



AMAURA CANFIELDI Dall, 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 Dall 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 Dall and Bartsch, 190G. 



Proc. U. S. Nat. Mus., vol. 30, p. 361, pi. 15, fig. 5. 

 Killisnoo, Alaska. 



Subgenus Heida Dall and Bartsch, 1901. 



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 Dall and Bartsch, 1909. 



U. S. Nat. Mus., Bull. 68, p. 232, pi. 30, fig. 4. 

 Off Long Beach, California. 



ODOSTOMIA DINELLA Dall and Bartsch, 1909. 



U. S. Nat. Mus., Bull. 68, p. 232. pi. 30, fig. 1. 

 Off Redondo, California. 



ODOSTOMIA CORONADOENSIS Dall 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. 

 Snn Diego, California. 



