NOKTHWEST COAST MARINE SHELLBEARING MOLLUSKS. 157 
BARLEEIA CALIFORNICA Bartsch, 1920. 
Proc. U. S. Nat. Mus., voL 58, p. 173, pi. 13, fig. 7. 
San Pedro, California, to Point Abreojos, Lower California. 
Family RISSOIDAE. 
Genus CINGULA Fleming, 1828. 
CINGULA MARTYNI Dali, 1886. 
Proc. U. S. Nat. Mus., vol. 9, p. 306, pi. 3, fig. 9. 
Bering Strait to the Aleutians and eastward to Chignik Bay, Alaska. 
CINGULA MARTYNI SCIPIO Dali, 1886. 
Proc. U. S. Nat. Mus., vol. 9, p. 306, pi. 4, fig. 10. 
Pribilof Islands to the Aleutians and eastward to Middleton Island, Alaska. 
CINGULA ALASKANA Bartsch, 1912. 
Proc. U. S. Nat. Mus., vol. 41, p. 486, pi. 41, fig. 4. 
Amchitka Island, Aleutians. 
CINGULA ALEUTICA Dali, 1886. 
Proc. U. S. Nat. Mus., vol. 9, p. 307, pi. 3, fig. 11. 
Pribilof Islands to the Aleutians and eastward to Windfall Harbor, Ad- 
miralty Island, Alaska. 
CINGULA KATHERINAE Bartsch, 1912. 
Proc. U. S. Nat. Mus., vol. 41, p. 488, pi. 41, fig. 3. 
Windfall Harbor, Admiralty Island, Alaska. 
CINGULA MONTEREYENSIS Bartsch, 1912. 
Proc. U. S. Nat. Mus., vol. 41, p. 488, pi. 41, fig. 1. 
Monterey, California. 
? CINGULA CALIFORNICA Tryon, 1865. 
Amer. Journ. Conch., vol. 1, p. 221, pi. 22, fig. 11. 
San Francisco Bay to San Pedro, California.^ 
? CINGULA ORVIETA Dali, 1919. 
Proc. U. S. Nat. Mus., vol. 56, p. 351. 
San Diego, California. 
Subgenus Nodulus Monterosato, 1878. 
NODULUS CERINELLUS Dali, 1886. 
Proc. U. S. Nat. Mus., vol. 9, p. 307, pi. 4, fig. 12.— Baetsch, Proc. U. S. Nat. 
Mus., vol. 61, p. 289, fig. 1. 
Kyska and Amchitka Islands, Alaska. 
NODULUS ASSER Bartsch, 1910. 
Nautilus, vol. 23, No. 11, p. 138, pi. 11, fig. 9. 
Atka Island, Aleutians, to Cook’s Inlet, 
NODULUS KELSEYI Bartsch, 1911. 
Proc. U. S. Nat. Mus., vol. 41, p. 290, fig. 3. 
San Diego, California, and the South Coronado Island. 
167980— 21— Bull. 112 11 
