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,
Contribution from the Museum of Vertebrate Zoology of the University of California.
QL1 .C15 vol. 10, no. 10
University of California publications in zoology v. 10, no. 10.
California. Univ. Libr.