By Stephen G. Tilley (auth.), Douglas H. Taylor, Sheldon I. Guttman (eds.)
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Additional resources for The Reproductive Biology of Amphibians
1975b. Salamander populations and biomass in the Hubbard Brook Experimental Forest, New Hampshire. Copeia 1975: 541-546. Cole, L. C. 1954. The population consequences of life history phenomena. Quart. Rev. Biol. ~:103-137. Collins, D. 1964. An investigation of the correlation of testicular lobing in Desmognathus with age. J. Ohio Herp. Soc. 4: 107 (abstract). - - - - - -- Danstedt, R. , Jr. 1975. local geographic variation in demographic parameters and body size of Desmognathus fuscus (Amphibia: Plethodontidae).
The zeros near the graph's origin correspond to males with immature testis lobes when preserved. These, by definition, had not yet reproduced even though pigmented vasa deferentia were visible through the ventral body wall. All four of these individuals were taken in late swnrner. Whiteside males become externally sexable at body lengths of about 30 mm. Of the eight males 27-31 mm dissected, half had mature and half had immature lobes, as indicated on the graph. The four specimens with immature lobes, however, were all preserved in late swnrner, and two of them (nos.
Academic Press, New York, New York, pp. 309-521. Sayler, A. 1966. The reproductive ecology of the red-backed salamander, Plethodon cinereus, in Maryland. Copeia 1966: 183-193. Sever, D. M. 1974. The occurrence of multiple testes in the genus Eurycea (Pmphibia: P1ethodontidae). Herpetologica ~:187-193. Sokal, R. R. and F. J. Rohlf. 1969. Biometry. , San Francisco, California. W. H. Freeman Spight, T. M. 1967. Population structure and biomass production by a stream salamander. Pm. Midl. Natur. 78:437-447.
The Reproductive Biology of Amphibians by Stephen G. Tilley (auth.), Douglas H. Taylor, Sheldon I. Guttman (eds.)