Literature Cited
Bishop, S. C.
1947. Handbook of salamanders. Ithaca, Comstock. xiv + 555 pp.
Gordon, R. E.
1952. A contribution to the life history and ecology of the plethodontid salamander Aneides aeneus (Cope and Packard). Amer. Midl. Nat., 47:666-701.
Lack, D.
1954. The natural regulation of animal numbers. Oxford, Clarendon, viii + 343 pp.
Lowe, C. H., Jr.
1950. The systematic status of the salamander Plethodon hardii, with a discussion of biogeographic problems in Aneides. Copeia, 1950(2):92-99.
Stebbins, R. C.
1951. Amphibians of western North America. Berkeley, Univ. Calif, xviii + 539 pp.
Szymanski, J. S.
1914. Eine Methode zur Untersuchung der Ruhe- und Aktivitätsperioden bei Tieren. Arch. ges. Physiol., 158:343-385.
Taylor, E. H.
1941. A new plethodont salamander from New Mexico. Proc. Biol. Soc. Wash., 54:77-79.
Transmitted May 11, 1959.
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