Population Structure and Homing Responses in the Pacific Tree Frog

Abstract

BAKER, O. E., et al. 1936. Atlas of American Agriculture. U. S. Dept. Agric. U. S. Govt. Printing Office, Washington, D. C. BRAVO, H. AND D. RAMIREZ. 1951. Observaciones floristico-ecologicas en la Mesa de San Diego y en su declive Oriental hacia la cuenca del Rio Cazones. An. Inst. Biol., 22: 397-434. CONTRERAS, ALFONso. 1942. Mapa de las provincias climatologicas de la Republica Mexicana. Sec. Agric. Fomento, Dir. Geogr. Met. Hidrol., Inst. Geogr: xxviii + 54 pp. HALL, E. R. 1946. Mammals of Nevada. Univ. Calif. Press., Berkeley: xi + 710. HUXLEY, JULIAN. 1943. Evolution, the modern synthesis. Harper Bros., N. Y. 645 pp. KAUFFELD, C. F. 1937. The status of the leopard frogs Rana brachycephala and Rana pipiens. Herpetologica 1: 84-87. LINSDALE, JEAN M. 1940. Amphibians and reptiles in Nevada. Proc. Amer. Acad. Arts Sci. 73: 197-257. i , or their time, as istance, and adMOORE, JOHN A. 1944. Geographic variation in Rana pipiens Schreber of eastern North America. Bull. Amer. Mus. Nat. Hist. 82: 345-70. RUIBAL, R. 1955. A study of altitudinal races in Rana pipiens. Evolution 9: 322-38. SCHMIDT, K. P. 1953. A checklist of North American amphibians and reptiles. Amer. Soc. Ichthy. and Herpet., Chicago: viii + 280 pp. SHANNON, F. A. 1951. Notes on a herpetological collection from Oaxaca and other localities in Mexico. Proc. U. S. Nat. Mus. 101 (3284): 465-81. SMTH, H. M. 1947. Notes on Mexican amphibians and reptiles. J. Wash. Acad. Sci. 37: 408-12. STEBBINS, ROBERT C. 1954. Amphibians and reptiles of western North America. McGraw-Hill Book Co., N. Y.: xxii + 528 pp. United States Department of Agriculture. 1941. Climate and man. Yearbook of Agriculture. U. S. Govt. Printing Office, Washington, D. C.: xii + 1248 pp. United States Department of Commerce. 1930. Climatic summary of the United States. Supplement for 1931 through 1952. Weather Bureau. U. S. Govt. Printing Office, Washington, D. C. WRIGHT, A. H. AND A. A. WRIGHT. 1949. Handbook of frogs and toads of the United States and Canada. Comstock Publishing Co., Ithaca, N. Y.: xii + 640 pp.