25 
=Sso= - 1970. Physiological thermoregulation in the lizard Dipsosaurus 
dorsalis. Copeia 1970: 549-557. 
=== . 1971. Some cardiovascular aspects of temperature regulation in the 
lizard Dipsosaurus dorsalis. Comp. Biochem. Physiol. 40A: 503-515. 
=== - and J.J. McGrath. 1972. Acclimation to simulated altitude in the 
lizard Dipsosaurus dorsalis. Comp. Biochem. Physiol. 42A: 263-268. 
Welsh, H.H. Jr. and R.B. Burg. 1984. Additions to the herpetofauna of the 
south Colorado Desert, Baja California, with commentson the 
relationship of Lichanura trivarigata. Herpetol. Rev. 15: 53-56. 
Werner, Y.L. 1972. Temperature effects on the inner ear sensitivity in 
six species of iguanid lizards. J. Herpetol. 6: 147-177. 
Wever, E.G. 1978. The Reptiles Ear, Its Structure and Function. 
University of Princeton Press; Princeton. 
Wilcox, B.A. 1978. Supersaturated island faunas: a species-age 
relationship for lizards on post-Pliestocene land bridge islands. 
Science 199: 996-998, 
Withers, P.C. 1977. Respiration and metabolism of fossoral and 
heterothermic animals. Dissertation Abst. Int. 37: 4933-4934. 
SSS . 1978. Acid-base regulation as a function of body temperature in 
ectothermic toads, a heliothermic lizard, and a heterothermic mammal. 
J. Therm. Biol. 3: 163-171. 
a . and J.D. Campbell. 1985. Effects of environmental cost on 
thermoregulation in the desert iguana (Dipsosaurus dorsalis). 
Physiol. Zool. 58: 329-339. 
Woodbury, A.M. 1931. A descriptive catalogue of the reptiles of Utah. 
Bull. Univ. Utah Sci. Ser. 21: 1-129. 
225-2 . 1940. Northern crested lizard collected in Utah. Copeia 1940: 
205. 
Wright, R.K. and H.C. Schapiro. 1973. Primary and secondary immune 
responses of the desert iguana, Dipsosaurus dorsalis. Herpetologica 
297 215-280, 
Yackzan, K.S., M.K. Yousef and D.B. Dill. 1972. Comparative 
electrocardiography in lizards, effects of temperature and Gymnema 
sylvestre fractions. Comp. Biochem. Physiol. 43A: 381-391, 
Yacoe, M.E. 1986. Effects of temperature, pH and carbon dioxide tension 
on the metabolism of isolated hepatic mitochondria of the desert 
iguana, Dipsosaurus dorsalis. Physiol. Zool. 59: 263-272, 
Yousef, I.M. 1977. Bile acid composition of some lizards from 
South-Western United States. Proc. Soc. Exper. Biol. Med. 154: 
22-20, 
Yousef, M.K., H.D. Johnson, D.A. Johnson, and K.S. Yackyan. 1973. 
Thyroxine secretion rates in the desert lizards Dipsosaurus dorsalis 
and Callisaurus draconoides. Gen. Comp. Endocrinol. 20: 217-219. 
Zim, H.S. and H.M. Smith. 1953. Reptiles and Amphibians. A Guide to 
Familiar American Species. Golden Press 2nd ed.; New York. 
Zug, G.R. 1971. The distribution and patterns of the major arteries of 
the iguanids and comments on the intergeneric relationships of 
iguanids (Reptilia: Lacertilia). Smithson. Contr. Zool. (83): 1-23. 
