NORTHWEST COAST MARINE SHELL.BEARING MOLLUSKS. 171 

 ACMAEA PALEACEA Gould, 1851. 



Mex. and Cal. Shells, p. 3, pi. 14, fig. 5.— Tryon, Man., vol. 13, p. 6, fig. 42. 

 Trinidad to Lower California on Zostera. 



ACMAEA TRIANGULARIS Carpenter, 1866. 



Pal. Cal. Acad. Sci., vol. 3, p. 213.— Tryon, Man., vol. 13, pi. 7, figs. 74-78. 

 Sitka. Alaska, to the Gulf of California, on sea grasses. 



Section RHODOPETALA Dall, 1920. 

 ? ACMAEA ROSEA Dall, 1872. 



Proc. Cal. Acad. Sci., vol. 4, p. 270, pi. 1, fig. 2. 



Kyska Island, Aleutians, to the Shumagin Islands, Alaska. 



Genus LOTTIA Gray, 1834. 



LOTTIA GIGANTEA Gray, 1834. 



Sowerby, Genera of Shells, Lottia, fig. 1. — Tryon, Man., vol. 13, pi. 38. 

 Crescent City, California, south to Guadelupe and Cerros Islands. 



LOTTIA GIGANTEA ALBOMACULATA Dall, 1910. 



Nautilus, vol. 24, No. 8, p. 96. 



Crescent City, California, to Rosario Bay. Lower California. 



Superfamily RHIPIDOGLOSSA. 



Family COCCULINIDAE. 

 Genus COCCULINA Dall, 1881. 



COCCULINA AGASSIZII Dall, 1908. 



Bull. Mus. Comp. Zool., vol. 43, No. 6, p. 340. 



Off Queen Charlotte Islands, British Columbia, 145 fathoms. Gulf of 

 Panama, 556 fathoms. 



COCCULINA CAZANICA Dall, 1919. 



Proc. U. S. Nat. Mus., vol. 56, No. 2295, p. 356. 



Kasaan Bay and Stephens Passage, Alaska, 95 to 160 fathoms. 



Family PHASIANELLIDAE. 



Genus PHASIANELLA Lamarck, 1804. 



Subgenus Tricolia Risso, 1826. 



TRICOLIA COMPTA Gould, 1855. 



H. Reps. Doc. 129, Prelim. Rep., p. 25; Pacific R. R. Reps., vol. 5, pL 11, 



figs. 25, 26.— Tryon, Man., vol. 10, pi. 39, figs. 69-72. 

 Monterey to Gulf of California. 



TRICOLIA COMPTA PUNCTULATA Carpenter, 1865. 



Ann. Mag. Nat. Hist., vol. 15, p. 179. 



San Diego, California, to Cape San Lucas, Lower California. 



