ART. 22 SAN PEDRO FAUNA OLDROYD. 13 



Genus TROPHON Montfort, 1810. 



Subgenus Neptunea (Bolten, part, 1798) Dall. 1902 



TROPHON MULTICOSTATA Eschscholtz, 1829; not rare. 



Living, Bering Sea-San Diego, California. 



TROPHON STUARTI E. A. Smith, 1880 ; three specimens. 



Living, Alaska-San Diego, California. 



Family EPITONIIDAE. 



Genus EPITONIUM Bolten, 1798. 



Subgenus Opalia H. Adams, 1858. 



EPITONIUM WROBLEWSKII Morch, 1876; not rare. 



Living, Forrester Island, Alaska-San Diego, California. 

 Subgenus Nitidoscala De Boury, 1909. 



EPITONIUM INDIANORUM Carpenter, 1856; not rare. 



Living, Forrester Island, Alaska-Todos Santos Bay, Lower California. 



EPITONIUM TINCTUM Carpenter, 1865; not rare. 



Living. Monterey, Callforuia-Gulf of California. 



EPITONIUM SUBCORONATUM Carpenter, 1866; eighteen Bpeeimemg. 



Living, Vancouver Island, British Columbla-San Diego, California. 



EPITONIUM CREBRICOSTATUM Carpenter, 1866; two specimens. 



Living, Vancouver Island-Gulf of California. 



EPITONIUM CAAMANOI Dall and Bartsch, 1910; four specimens. 



Living, Vancouver Island-San Pedro, California. 

 EPITONIUM CONTINUATUM, new species; two specimens. 



Not known living. 



Section CRISPOSCALA De Boury, 1909. 

 EPITONIUM ACROSTEPHANUM Dall, 1908; one specimen. 



Living, Monterey, Callfornia-Coronado Islands. 



Family MELANELLIDAE. 

 Genus MELANELLA Bowdich, 1822. 

 Section MELANELLA s. s. 

 MELANELLA THERSITES Carpenter, 1864; five specimens. 



Living, Monterey, Callfornia-San Geronlmo Island, Lower California. 



MELANELLA PREFALCATA Bartsch, 1917; one specimen. 



Not reported living. 

 MELANELLA FOSSILIS Bartsch, 1918; one specimen. 



Not reported living. 



Family PYRAMIDELLIDAE. 

 Genus TURBONILLA Risso, 1826. 



TURBONILLA PECORA, new species. Five specimens. 

 Not known living. 



