66 
BULLETIN 112, UNITED STATES NATIONAL MUSEUM. 
' Order PULMONATA. 
Suborder Basommatophora. 
Superfamily AKTEOPHILA. 
Family ELLOBIIDAE. 
Genus PHYTIA Gray, 1821. 
PHYTIA SETIFER Cooper, 1872. 
Proc. Cal. Acad. Sci., vol. 4, p. 172. 
Humboldt Bay to San Francisco Bay. 
Genus PEDIPES Scopoli, 1777, 
PEDIPES UNISULCATUS Cooper, 18G6. 
Proc. Cal. Acad. Sci., vol. 3. p. 294, fij?. 29. 
San Pedro, California, to the Gulf of California. 
PEDIPES LIRATUS Binney, 18G0. 
I*roc. Acad. Nat. Sci., I’bila., p. 154 ; Proc. U. S. Nat. Mus., vol. 8, p. 279, pi. 
18, fig. 5. 
San Diego, California, to the Gulf of California. 
Genus MELAMPUS Montfort, 1810. 
MELAMPUS OLIVACEUS Carpenter, 1856. 
Mazatlan Cat., p. 178; Proc. U. S. Nat. Mus., vol. 8, pi. 18, fig. 16. 
Monterey Bay (Salinas Iliver) to Mazatlan, Mexico. 
Superfamily PETROPHILA. 
Family GADINIIDAE. 
Genus GADINIA Gray, 1824. 
GADINIA RETICULATA Sowerby, 1835. 
Proc. Zool. Soc., p. 6; Amer. .Journ. Conch., vol. 6, pi. 2, 4, 1870. 
Trinidad and Faralloues Islands to Cape San Lucas. 
Family SIPHONARIIDAE. 
Genus SIPHONARIA Sowerby, 1824. 
Subgenus Lieiola Dali, 1870. 
LIRIOLA THERSITES Carpenter, 1864. 
Ann. ^ag. Nat. Hist., vol. 14, p. 425; Amer. Journ. Conch., vol. 6, pi. 4, 
lig. 8; pi. 5, tig. 2, 1870. 
Aleutian Islands to the Strait of Fuca. 
