Farallon Islands.

Upper Austral Zone.

Californian Fauna:

San Miguel, Santa Rosa, Santa Cruz, Ana Capa.

San Diegan Fauna:

San Nicolas, Santa Barbara, Santa Catalina, San Clemente.
Los Coronados, San Martin.
Perhaps San Benito, Cerros, Natividad.

Lower Austral Zone.

Perhaps San Benito, Cerros, Natividad.
Magdalena, Santa Margarita.
Socorro, Clarion.

South Farallon Island.

No reptiles have been found on the Farallon Islands and it is probable that none occur there. The amphibians are represented on South Farallon Island by a salamander which has been regarded as identical with Autodax lugubris Hallowell. Specimens from this island, however, are much more profusely spotted or blotched with yellow than is the mainland form of this species. In examining series of specimens one finds a few individuals from the mainland as heavily spotted as some of the Farallon specimens, but the average difference seems constant and the extremes are very dissimilar. I therefore propose that the Farallon Island form be called