MUS. COMP. 200L UBRARY OCF 17 19^9 HARVARD UNIVERSITY TRANSACTIONS OF THE SAN DIEGO SOCIETY OF NATURAL HISTORY Volume XI, No. 8, pp. 121-140 THE SUBSPECIES OF THE RIDGE-NOSED RATTLESNAKE, CROTALUS WILLARDI Laurence M. Klauber Curator oj Reptiles and Amphibians, San Diego Society of Natural History SAN DIEGO, CALIFORNIA Printed for the Society September 30, 1949
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