EVOLUTION OF AVIAN TEMPERATURE REGULATION 



22. Gowles, R. B., and C. M. Bogert. 1944. A preliminary study of 



the thermal requirements of desert reptiles. Bull. Am.Mus. 

 Nat. Hist. 83:261-296. 



23 . Dawson, W. R. 19 54. Temperature regulation and water require- 



ments of the brown and Abert towhees , Pipilo fuscus and Pipi - 

 lo aberti. Univ. Calif. Publ. Zool. 59:81-124. 



24. Dawson, W. R. 1958. Relation of oxygen consumption and evapo- 



rative water loss to temperature in the cardinal. Physiol. 

 Zool. 31:37-48. 



25. Dawson, V/. R., and G. A. Bartholomew. 1958. Metabolic and 



cardiac responses to temperature in the lizard Dipsosaurus 

 dorsalis. Physiol. Zool. 31:100-111. 



26. Dawson, W. R., and F. C. Evans. 1957. Relation of growth and 



development to temperature regulation in nestling field and 

 chipping sparrows. Physiol. Zool. 30:315-327. 



27. Dawson, W. R., and F. C. Evans. I960. Relation of growth and 



development to temperature regulation in nestling vesper 

 sparrows. Condor 62:329-340. 



28 . Dawson , W. R., and H . B . Tordoff . 19 59 . Relation of oxygen con- 



sumption to temperature in the evening grosbeak. Condor 61: 

 388-396. 



29. Dill, D. B. 1938. Life, heat, and altitude. Harvard Univ. Press, 



Cambridge, Mass. 



30. Eisentraut, M. I960. Heat regulation in primitive mammals and 



in tropical species. Bull. Mus. Comp. Zool. 124:31-43. 



31. Eklund, C. R., and F. E. Charlton. 1958. Measuring the tem- 



peratures of incubating penguin eggs. O. N. R. Res. Rev., 

 Dec, 1958. p. 1-6. 



65 



