Scientific investigations on turtles

Packard, G. C., J. K. Tucker, D. Nicholson, M. J. Packard, F. J. Janzen, and C. Phillips.
1997. Scientific investigations on turtles. Reprinted by U.S. Geological Survey,
Environmental Management Technical Center, Onalaska, Wisconsin, November 1997.
LTRMP 97-R027. 13 pp. (NTIS #PB98-114705)


ABSTRACT

This publication contains reprints of three articles on turtles, which originally appeared in
the Copeia 1997 2:339 345 and 1:166 173 and Bulletin of the Chicago Herpetological
Society 1996, 31(4):62 63.


KEYWORDS

Chelydra serpentina, common snapping turtle, eggs, Illinois, hatchling size, red-eared
slider, Trachemys scripta, twinning, turtle