ijjT. 22 SAN PEDRO FAUNA OLDKOYD. 21 



Family VITRINELLIDAE. 



Genus VITRINELLA C. B. Adams, 1850. 



VITRINELLA OLDROYDI Bartsch, 1907; one specimen. 



Living, on mantle of Chitons, Monterey, California-Lower California. 

 VITRINELLA ESHNAUKI Bartsch. 1907; two specimens. 



Living, San Pedro, California. 

 VITRINELLA THOMASI Bartsch, 1913; two specimens. 



Not reported living. 



Section DOCOMPHALA Bartsch, 1907. 

 VITRINELLA STEARNSII Bartsch, 1907; five specimens. 



Living, Monterey, California. 



Genus TEINOSTOMA A. Adams, 1854. 



TEINOSTOMA INVALLATUM Carpenter, 1864; twenty specimens. 



Living, Monterey, California-Gulf of California. 



Family FISSURELLIDAE. 



Genus FISSURELLA Bruguiere, 1791. 



FISSUBELLA VOLCANO Reeve, 1849; two specimens. 



Living, Crescent City, California-Panama. 



Genus MEGATEBENNUS Pilsbry, 1850. 



MEGATEBENNUS BIMACULATUS Dall, 1871; nine specimens. 



Living, Forrester Island Alaska Cape San Lucas, Lower California. 

 Genus DIADORA Gray, 1821. 



DIADORA ASPERA Eschs-rholtz, 1833; ten specimens. 



Living, Cook's Inlet Alaska-Magdalena Bay, Lower California. 



DIADORA MUBINA (Carpenter's MS.) Dall, 188.5; two specimens. 



Living, Crescent City, California-Magdalena Bay, Lower California. 

 Genus PUNCTURELLA Lowe, 1827. 



PUNCTURELLA CUCULLATA Gould. 1816; two specimens. 



Living, Kodiak Island, Alaska-La Paz, Lower California. 

 Family LEPIDOCHITONIDAE. 

 Genus LEPIDOCHITONA Gray, 1821. 

 Section LEPIDOCHITONA s. s. 

 LEPIDOCHITONA DENTIENS Gould, 1884; about thirty valves. 



Living, Puget Sound-Lower California. 



Genus NUTTALLINA Carpenter, 1873. 



NUTTALLINA CALIFORNICA Reeve, 1847. 



Living Straits of Fuca-San Diego, California. 



