Key points are not available for this paper at this time.
AYALA, S. C. 1970. Lizard malaria in California: Description of a strain of Plasmodium mexicanum, and biogeography of lizard malaria in western North America. J. Parasit. 56:417-425. , AND R. HUTCHINGS. 1974. Hemogregarines as zoogeographical tracers of Galapagos Island lava lizards and marine iguanas. Herpetologica 30:128-132. DESSAUER, H. C., AND W. Fox. 1959. Changes in ovarian follicle composition with plasma levels of snakes during estrus. Amer. J. Physiol. 197: 360-366.
Pianka et al. (Fri,) studied this question.