Experimental analysis of movements by prairie rattlesnakes, Crotalus viridis, during hibernation. Oecologia. 51:37-41.. 1981.
External incubation alters the composition of squamate eggshells. Comparative Biochemistry and Physiology. 79(3):481-487.. 1984.
The monarch butterfly (Lepidoptera: Danaidae) as prey for the dragonfly Hagenius brevistylus (Odonata: Gomphidae). Entomological News. 100:129-132.. 1989.
Nest sites of a northern population of an oviparous snake, Opheodrys vernalis (Serpentes; Colubridae). Journal of Natural History. 12:365-370.. 1978.
Phenotypic basis for a feeding change in an insular population of garter snakes. Developmental psychobiology. 17(5):457-463.. 1984.
Phenotypic basis for feeding in insular garter snakes. American Philosophy Society Yearbook. :163.. 1983.
Thirteen-fold change in population size of Peromyscus leucopus. Canadian Journal of Zoology. 60:2224-2225.. 1982.
Ultrastructure of the eggshell of two species of anoline lizards. Journal of Experimental Zoology. 207:227-236.. 1979.