1. The origin of sexual behavior;Adler,1983
2. The ovarian cycle of the snake Nerodia sipedon, and effects of hypophysectomy and gonadotropin administration;Aldridge;Herpetologica,1982
3. Manitoba's fantastic snake pits;Aleksiuk;Natl. Geog.,1975
4. Vaginocervical stimulation selectively increases metabolic activity in the rat brain;Allen;Science (Washington, D.C.),1981
5. The inheritance of melanism in the garter snake Thamnophis sirtalis sirtalis (Linnaeus), and some evidence of effective autumn mating;Blanchard;Pap. Mich. Acad. Sci. Arts Lett. (Mich. Acad.),1940