98 Lance W. Fontenot, Steven G. Platt, and Christine M. Dwyer 
ACKNOWLEDGMENTS — We thank Richard R. Montanucci, 
William I. Lutterschmidt, and Richard S. Knaub for their comments 
on earlier versions of the manuscript. 
LITERATURE CITED 
Bowers, J. H. 1966. Food habits of the diamond-backed water snake, 
Natrix rhombifera rhombifera, in Bowie and Red River counties, Texas. 
Herpetologica 22:225-229. 
Brown, E. E. 1958. Feeding habits of the northern water snake, Natrix 
sipedon sipedon Linnaeus. Zoologica 43:55-71. 
Burghardt, G. M. 1968. Chemical preference studies on newborn snakes 
of three sympatric species of Natrix. Copeia 1968:732-737. 
Camp, C. D., W. D. Sprewell, and V. N. Powders. 1980. Feeding 
habits of Nerodia taxispilota with comparative notes on the foods of 
sympatric congeners in Georgia. Journal of Herpetology 14:301-304. 
Clark, R. F. 1949. Snakes of the hill parishes of Louisiana. Journal of 
the Tennessee Academy of Science 24:244-261. 
Conant, R., and J. T. Collins. 1991. A field guide to reptiles and 
amphibians of eastern and central North America. Houghton Mifflin 
Company, Boston. 
Fontenot, L. W. 1990. Helminth parasites of aquatic snakes from south- 
eastern Louisiana. Masters Thesis, Southeastern Louisiana University, 
Hammond. 
Fraker, M. A. 1970. Home range and homing in the watersnake, Natrix 
sipedon sipedon. Copeia 1970:665-673. 
Garnett, S. T. 1985. The consequences of slow chitin digestion on 
crocodilian diet analyses. Journal of Herpetology 19:303-304. 
Huner, J. V. 1975. Observations on the life histories of recreationally 
important crawfishes in temporary habitats. Proceedings of the Loui- 
siana Academy of Sciences 38:20-24. 
Jackson, J. F., H. W. Campbell, and K. E. Campbell, Jr. 1974. The 
feeding habits of crocodilians: Validity of the evidence from stomach 
contents. Journal of Herpetology 8:378-381. 
Kofron, C. P. 1978. Foods and habitats of aquatic snakes (Reptilia, 
Serpentes) in a Louisiana swamp. Journal of Herpetology 12:543-554. 
Minton, S., Jr. 1944. Introduction to the study of the reptiles of Indi- 
ana. American Midland Naturalist 32:438-477. 
Mount, R. H. 1975. The reptiles and amphibians of Alabama. Agricul- 
tural Experiment Station, Auburn University, Auburn, Alabama. 
Mushinsky, H. R. 1987. Foraging ecology. Pages 302-334 in Snakes: 
Ecology and evolutionary biology (R. A. Seigel, J. T. Collins, and 
S. S. Novak, editors). Macmillan Publishing Company, New York, 
New York. 
