Proceedings of the American Academy of Arts and Sciences. 

 Vol. XL. No. 10. — Novemuek, 190i. 



CONTRIBUTIONS FROM THE ZOOLOGICAL LABORATORY OF THE 

 MUSEUM OF COMPARATIVE ZOOLOGY AT HARVARD COLLEGE. 

 E. L. MARK, DIRECTOR.— No. 155. 



THE EFFECT OF HEAT ON THE COLOR CHANGES IN 

 THE SKIN OF ANOLIS CAROLINENSIS Cuv. 



By G. II. Parkkr axd S. A. Starkatt. 



