54 
BULLETIN 112, UNITED STATES NATIONAL MUSEUM. 
CORBULA PORCELLA Dali, 1916. 
Proc. U. S. Nat. Mus., vol. 52, No. 2183, p. 415. 
Santa Rosa Island, California, to Panama. , » 
CORBULA KELSEYI Dali, 1916. 
Proc. U. S. Nat. Mus., vol. 52, No. 2183, p. 416. 
Esteros Bay, to Catalina Island, California. 
Genus GRIPPINA Dali, 1912. 
GRIPPINA CALIFORNICA Dali, 1912. 
Nautilus, vol. 25, No. 11, p. 128. 
Off San Diego Bay, California. 
Family SAXICAVIDAE. 
Genus PANOPE Menard, 1807. 
PANOPE GENEROSA Gould, 1850. 
Proc. Boston Soc. Nat. Hist., vol. 3, p. 215; Bull. U. S. Fish. Com., 
vol. 3, No. 23, p. 356, figs. 3—6, 1883. 
Puget Sound to San Diego, California. 
PANOPE GENEROSA SOLIDA Dali, 1898. 
Trans. Wagner Inst., vol. 3, pt. 4, p. 831. 
Straits of Fuca to San Francisco Bay. 
Genus PANOMYA (Gray) Adams, 1858. 
PANOMYA (ARCTICA Lamarck, 1819, ?variety) TURGIDA Dali, 1916. (Plate 2, fig. 1.) 
Proc. U. S. Nat. Mus., vol. 52, No. 2183, p. 416. 
Unalaska to the Shumagin Islands, Alaska. 
PANOMYA BERINGIANA Dali, 1916. 
Proc. U. S. Nat. Mus., vol. 52, No. 2183, p. 415. 
Eastern Bering Sea. 
PANOMYA AMPLA Dali, 1898. 
Trans. Wagner Inst., vol. 3, pt. 4, p. 833; Proc. U. S. Nat. Mus., vol. 24, 
No. 1264, p. 560, pi. 40, figs. 3, 4. 
Arctic Ocean north of Bering Strait, Bering Sea, Aleutian Islands and 
eastward to Victoria, British Columbia. 
Genus SAXICAVELLA Martens, 1885. 
SAXICA VELLA PACIFICA Dali, 1916. 
Proc. U. S. Nat. Mus., vol. 52, No. 2183, p. 416. 
Off Point Loma, San Diego, 131 fathoms. 
Genus CYRTODARIA Daudin, 1799. 
CYRTODARIA KURRIANA Dunker, 186^. 
Malak. Blatt. 1862, p. 38. — Posselt, Consp. Fauna Gronl., p. 96. 
Arctic Ocean and south to Norton Sound, Alaska. Also on the west toast 
of Greenland. 
