A New Pleistocene Deer-Mouse from Santa Rosa Island, California

Abstract

Subsequent to 1928, collections of fossil vertebrate remains from Santa Rosa Island, California, have been made by the California Institute of Technology. These have included a considerable number of fragmentary remains of elephants (Stock, C., and E.L. Furlong, Science, vol. 68, pp. 140-141, 1928; Stock, C., Sci. Monthly, vol. 41, pp. 205-214, 1935). Material representing this mammal has been known from the island for more than 60 years, but, curiously, no other sort of fossil mammal was discovered in this locality until the fall of 1934, when there was collected in Pleistocene deposits a rodent specimen of the genus Peromyscus, quite distinct from the species inhabiting the area at the present time.

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