. The Canadian field-naturalist. Natural history. 184 The Canadian Field-Naturalist Vol. 115. Figure 2. Chelydra serpentina from Regional Municipality of Haldimand-Norfolk, Ontario, with amputated right posterior limb and two leeches (Placobdella parasitica) attached posterior to the injury. Carr, A. 1952. Handbook of turtles. Cornell University Press, Ithaca, New York. Conant, R., and J. T. Collins. 1991. A field guide to rep- tiles and amphibians. Eastern and central North America. 3rd edition. Houghton Mifflin Company, Boston. Congdon, J. D., G. L. Breitenbach, R. C. van Loben Sels, and D.
. The Canadian field-naturalist. Natural history. 184 The Canadian Field-Naturalist Vol. 115. Figure 2. Chelydra serpentina from Regional Municipality of Haldimand-Norfolk, Ontario, with amputated right posterior limb and two leeches (Placobdella parasitica) attached posterior to the injury. Carr, A. 1952. Handbook of turtles. Cornell University Press, Ithaca, New York. Conant, R., and J. T. Collins. 1991. A field guide to rep- tiles and amphibians. Eastern and central North America. 3rd edition. Houghton Mifflin Company, Boston. Congdon, J. D., G. L. Breitenbach, R. C. van Loben Sels, and D. W. Tinkle. 1987. Reproduction and nesting ecol- ogy of snapping turtles (Chelydra serpentina) in south- eastern Michigan. Herpetologica 43: 39-54. Dodd, C. K., Jr., and E. D. Brodie. 1975. Notes on the defensive behavior of the snapping turtle, Chelydra ser- pentina. Herpetologica 31: 286-288. Ernst, C. H. 1976. Ecology of the spotted turtle, Clemmys guttata (Reptilia, Testudines, Testudinidae), in southeast- ern Pennsylvania. Journal of Herpetology 10: 25-33. Ernst, C. H. 1986. Ecology of the turtle, Sternotherus odor- atus, in southeastern Pennsylvania. Journal of Herpetology 20: 341-352. Foscarini, D. A. 1994. Demography of the wood turtle (Clemmys insculpta) and habitat selection in the Maitland River valley. thesis. University of Guelph. 108 pages. Harding, J. H. 1985. Clemmys insculpta (Wood Turtle). Predation-Mutilation. Herpetological Review 16: 30. Hendricks, A. C, J. T. Wyatt, and D. E. Henley. 1971. Infestation of a Texas red-eared turtle by leeches. Texas Journal of Science 22: 247. Lauder, G. V., and T. Prendergast. 1992. Kinematics of aquatic prey capture in the snapping turtle Chelydra ser- pentina. Journal of Experimental Biology 164: 55-78. Meek, R. 1989. The comparative population ecology of Hermann's Tortoise, Testudo hermanni in Croatia and Montenegro, Yugoslavia. Herpetological Journal 1: 404-^14. Nemuras, K. T. 1966. Genus Clemmys. International Turt
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