NORTHWEST COAST MARINE SHELLBEARING MOLLUSKS. 45 
? Family COOPERELLIDAE. 
Genus COOPERELLA Carpenter, 1864. 
COOPERELLA SUBDIAPHANA Carpenter, 1864. 
Suppl. Rep. Brit. Assoc., p. 639. — Aenold, Pal. San Pedro, p. 153, pi. 13, 6g. 1. 
Qneen Cliarlotte Islands to Gulf of California. 
Superfamily TELLINACEA. 
Family TELLINIDAE. 
Genus TELLINA (Linnaeus) Lamarck, 1799. 
TELLiNA IDAE Dali, 1891. 
Proc. U. S. Nat. Mus., vol. 14, p. 183, pi. 6, fig. 3; pi. 7, figs. 1, 4; 
vol. 23, pi. 4, figs. 10, 11. 
Santa Barbara Islands and San Pedro, California. 
Subgenus Aecopagia Leacb, 1827. 
Section MERISCA Dali, 1900. 
ARCOPAGIA LAMELLATA Carpenter, 1857. ’ 
Mazatlan Cat., p. 37, No, 58. 
San Diego, California, to Mazatlan. 
ARCOPAGIA DECLIVIS Sowerby, 1868. 
Conch. Icon. Tellina, pi. 44, fig. 261. 
Catalina Island, California, to Panama. 
Subgenus Moeeella Fischer, 1887. 
MOERELLA SALMONEA Carpenter, 1864. 
Suppl. Rep. Brit. Assoc., p. 639; Univ. Cal. Zool. Publ., vol. 14, 
p. 276, pi. 25, fig. 3. 
Aleutian Islands to San Pedro, California. 
MOERELLA MEROPSIS Dali, 1900. 
Proc. U. S. Nat. Mus., vol. 23, pp. 303, 317, pi. 3, fig. 1. 
San Diego, California, to the Gulf of California. 
Subgenus Angulus Megerle, 1811. 
ANGULUS CARPENTERI Dali, 1900. 
Proc. U. S. Nat. Mus., vol. 23, pp. 303, 320; Univ. Cal. Zool. Publ., vol. 14, 
p. 276, pi. 25, fig. 10. Forrester Island to Gulf of California. 
ANGULUS PANAMENSIS Dali, 1900. 
Proc. U. S. Nat. Mus., vol. 23, p. 319, pi. 3, fig. 3. 
Catalina Island, California, to Panama. 
ANGULUS MODESTUS Carpenter, 1864. 
Suppl. Rep. Brit. Assoc., p. 639 ; Proc. Acad. Nat. Sci. Phila. for 1865, p. 54. 
Vancouver Island to Lower California. 
167980— 21— Bull. 112 4 
