DODD: ECOLOGY OF SANDHILLS POPULATION OF GASTROPHRYNE CAROLINENSIS 39 Blair, W. F. 1957. Changes in vertebrate populations under conditions of drought Cold Spring Harbor Symp. Quant. Biol. 22:273-275. Bristow, C. E. 1991. Interactions between phylogenetically distant predators: Notophthalmus viridescens and Enneacanthus obesus. Copeia 1991:1-8. Bull, J. J., and R. Shine. 1979. Iteroparous animals that skip opportunities for reproduction. Amer. Nat. 114:296-303. Campbell, H. W., and S. P. Christman. 1982. The herpetological components of Florida sandhill and sand pine scrub associations. Pp. 163-171 in N.J. Scott, Jr., ed. Herpetological Communities. Fish Wildl. Serv., Wildl. Res. Rept. 13. Carr, A F., Jr. 1940. A contribution to the herpetology of Florida. Univ. Florida Publ., Biol. Sci. 3(1): 1-118. Conant, R., and J. T. Collins. 1991. A Field Guide to the Reptiles and Amphibians. Eastern and Central North America. Houghton Mifflin Co., Boston. Corn, P. S., and J. C. Fogleman. 1984. Extinction of montane populations of the northern leopard frog (Rana pipiens) in Colorado. J. Herp. 18:147-152. Crump, M. L 1982. Amphibian reproductive ecology on the community level. Pp. 21-36 in N.J. Scott, Jr., ed. Herpetological Communities. Fish Wildl. Serv., Wildl. Res. Rept 13. Cupp, P. V., Jr. 1980. Thermal tolerance of five salientian amphibians during development and metamorphosis. Herpetologica 36:234-244. Cypert, E. 1961. The effects of fires in the Okefenokee Swamp in 1954 and 1955. Amer. Midi. Nat 66:485-503. Dalrymple, G. H. 1988. The herpetofauna of Long Pine Key, Everglades National Park, in relation to vegetation and hydrology. Pp. 72-86 in R. C. Szaro, K. E. Severson, and D. R. Patton, eds. Management of Amphibians, Reptiles, and Small Mammals in North America. U. S. Dept Agric. For. Serv., Gen. Tech. Rept RM-166. Deckert, R. F. 1914. Further notes on the salientia of Jacksonville, Fla. Copeia 1914(9):1-3. Dodd, C. K., Jr. 1991. Drift fence-associated sampling bias of amphibians at a Florida sandhills temporary pond. J. Herp. 25:296-301. 1992. Biological diversity of a temporary pond herpetofauna in north Florida sandhills. Biodivers. Cons. 1:125-142. S1993. The cost of living in an unpredictable environment: The ecology of striped newts Notophthalmus perstriatus during a prolonged drought. Copeia 1993: 605-614. and B. G. Charest. 1988. The herpetofaunal community of temporary ponds in north Florida sandhills: Species composition, temporal use, and management implications. Pp. 87-97 in R. C. Szaro, K. E. Severson, and D. R. Patton, eds. Management of Amphibians, Reptiles, and Small Mammals in North America. U. S. Dept Agric. For. Serv., Gen. Tech. Rept. RM-166. Duellman, W. E., and A Schwartz. 1958. Amphibians and reptiles of southern Florida. Bull. Florida State Mus., Biol. Sci. 3(5):181-324. Duellman, W. E., and L Trueb. 1986. Biology of Amphibians. McGraw-Hill Book Co., New York. Dundee, H. A., and D. A. Rossman. 1989. The Amphibians and Reptiles of Louisiana. Louisiana St. Univ. Press, Baton Rouge. Fisher, R. A 1930. The Genetical Theory of Natural Selection. Oxford Univ. Press, Oxford, England. Fitch, H. S. 1956. A field study of the Kansas ant-eating frog, Gastrophryne olivacea. Univ. Kansas Publ. Mus. Nat. Hist. 8:275-306. Florida Natural Areas Inventory. 1990. A Guide to the Natural Communities of Florida. Florida Nat. Areas Invent. and Florida Dept. Nat. Resources, Tallahassee. Franklin, J. F. 1989. Importance and justification of long-term studies in ecology. Pp. 3-19 in G. E. Likens, ed. Long-term Studies in Ecology. Approaches and Alternatives. Springer-Verlag, New York. Franz, R., R. E. Ashton, Jr., and W. W. Timmerman. 1989. Behavior and movements of certain small sand hill amphibians and reptiles in response to drift fences. Project No. GFC-87-023. Rept. to Nongame Wildl. Prog., Florida Game and Fresh Water Fish Comm., Tallahassee. Freiburg, R. E. 1951. An ecological study of the narrow-mouthed toad (Microhyla) in northeastern Kansas. Trans. Kansas Acad. Sci. 54:374-386. Garton, J. D., and H. R. Mushinsky. 1979. Integumentary toxicity and unpalatability as an antipredator mechanism in the narrow-mouthed toad, Gastrophryne carolinensis. Can. J. Zool. 57:1965-1973. Gibbons, J. W., and D. H. Bennett. 1974. Determination ofanuran terrestrial activity patterns by a drift fence method. Copeia 1974:236-243.