NOKTHWEST COAST MAKINE SHELLBEARING MOLLUSKS. 
35 
Family LUCINIDAE. 
Genus LUCINA Bruguiere, 1797. 
LUCINA EDENTULOIDES Verrill, 1870. 
Amer. Journ. Sci., vol. 49, No. 6, p. 226. 
San Clemente Island, California, to Gulf of California. 
Genus PHACOIDES Gray, 1847. 
Subgenus Here Gabb, 1866. 
HERE RICHTHOFENI Gabb. 1866. 
Pal. Cal., vol. 2, p. 29, pi. 8, fig. 49; Proc. U. S. Nat. Mus., vol. 23, pi. 40, 
figs. 7, 9. 
San Pedro, California, to Cape San Lucas. 
Subgenus Lucinisca Dali, 1901. 
LUCINISCA NUTTALLII Conrad, 1837. 
Journ. Acad. Nat. Sci. Phila., vol. 7, p. 255, pi. 20, fig. 2. 
Santa Barbara, California, to Mazatlan, Mexico. 
Subgenus Lucinoma Dali, 1901. 
LUCINOMA ANNULATA Reeve, 1850. 
Conch. Icon. Lucina, pi. 4, fig. 17 ; Proc. U. S. Nat. Mus., vol. 23, pi. 40, 
fig. 10. 
Port Althorp, Alaska, to Coronado Islands. 
LUCINOMA ANNULATA DENSILINEATA Dali, 1919. = 
Proc. Biol. Soc. Wash., vol. 32, p. 249. 
Sitka, Alaska, to Esteros Bay, California. 
LUCINOMA AEQUIZONATA Steams, 1890. 
Proc. U. S. Nat. Mus., vol. 13, p. 220, pi. 17, figs. 8, 4. 
Santa Barbara Islands to south latitude 38° (Chile). 
Subgenus Callucina Dali, 1901. 
Section EPILTJCINA Dali, 1901. 
CALLUCINA CALIFORNICA Conrad, 1837. 
Journ. Acad. Nat. Sci. Phila., vol. 7, p. 255, pi. 20, fig. 1. 
Crescent City, California, to San Ignacio Lagoon, Lower California. 
Subgenus Paevilucina Dali, 1901. 
PARVILUCINA TENUISCULPTA Carpenter, 186f 
Suppl. Rep. Brit. Assoc., p. 642 ; Proc. U. S. Nat. Mus., vol. 23, p. 828, pi. 
40, fig. 5. 
Nunivak Island, Bering Sea, to the Coronado Islands, Lower California. 
PARVILUCINA APPROXIMATA Dali, 1901. 
Proc. U. S. Nat. Mus., vol. 23, p. 813, pi. 39, fig. 4. 
Monterey, California, to Panama. 
