^BT,. 22 SAN PEDRO FAUNA— OLDROYD. 19 



Family NATICIDAE. 



Genus POLINICES Montfort, 1810. 



Subgenus EUSPIRA Agassiz, 1842. 



POLINICES cf. LEWISII Gould. 1847; not rare, all specimen, small and decorticated. 



Living, the type form at Vancouver Island-Santa Barbara Islands, (-all- 



fornia. 



Subgenus Neverita Risso, 1826. 



POLINICES RECLUZIANA ALTA Dall. 1909; not rare. 



Living, Monterey-Catalina Island. 



Genus SINUM Bolten, 1798. 



SINUM CALIFOKNICUM L S. OWroyd, 1917; two specimens. 



Living, Monterey, California-Lower California. 



Family ACMAEIDAE. 



Genus ACMAEA Eschscholtz, 1830. 

 Section COLLISELLA Dall, 1871. 



ACMAEA SCUTUM PATINA Eschscholtz. 1833; not rare, all very small. 



Living, Bering Sea-Gulf of California. 

 ACMAEA LIMATULA Carpenter. 1866; not rare, all quite small. 



Living, British Columbia-Lower California. 

 ACMAEA SCABRA Gould. 1846; twelve specimens. 



Living, San Francisco-Lower California. 

 ACMAEA INCESSA Hinds. 1842; quite plentifuL 



Living, Trinidad, California-lMagdalena Bay, Lower California. 



ACMAEA ASMI Middendorff, 1849; not rare. ^ , , 



Living, Sitka, Alaska-San Diego, California, and Socorro Island. 



ACMAEA DEPICTA Hinds, 1847; not rare. 



Living, Santa Barbara-Lower California. 



ACMAEA PALEACEA Gould. 1851; ten specimens. 



Living, Trinidad, California-Lower California. 



Genus LOTTIA Gray, 1834. 



LOTTIA GIGANTEA Gray. 1834 ; five specimens, all very small. 



Living, Washington-Guadelupe and Cerros Islands. 



Family PHASIANELLIDAE. 



Genus PHASIANELLA Lamarck, 1804. 



Subgenus Tricolia Risso, 1826. 



PHASIANELLA COMPTA Gould. 1856; very plentiful. 



Living, Monterey-Gulf of California. 

 PHASIANELLA PULLOIDES ELATIOR Carpenter. 1865; ten specimens. 



Living, Catalina Island-Panama. 



