Biogeography and distribution of the reptiles and amphibians on islands in the Gulf of California, Mexico

S-KJfl-S iVlUS. COM p. ZO^-'L. LIBRARY JUN 2 1 10RR HAKVmimJ UNIVERSITY TRANSACTIONS OF THE SAN DIEGO SOCIETY OF NATURAL HISTORY Volume 14, No. 11, pp. 137-156 BIOGEOGRAPHY AND DISTRIBUTION OF THE REPTILES AND AMPHIBIANS ON ISLANDS IN THE GULF OF CALIFORNIA, MEXICO BY MICHAEL SOULE Stanford University, Stanford, California (Present address: University of Malawi, Limbe, Malawi) AND ALLAN J. SLOAN Assistant Curator of Reptiles and Amphibians San Die°o Natural History Museum SAN DIEGO, CALIFORNIA Printed for the Society June 10, 1966