An account of the birds and mammals of the San Jacinto area of southern California with remarks upon the behavior of geographic races on the margins of their habitats by J. Grinnell and H.S. Swarth.
Swarth, H. S,
University of California Press,
QL1 .C15 vol. 10, no. 10
University of California publications in zoology v. 10, no. 10.
California. Univ. Libr.