Proceedings of the American Academy of Arts and Sciences. 

 Vol. XLV. No. 6. — January, 1910. 



CONTRIBUTIONS FROM THE ZOOLOGICAL LABORATORY OF 

 THE MUSEUM OF COMPARATIVE ZOOLOGY AT HARVARD 

 COLLEGE, E. L. MARK, DIRECTOR. — No. 206. 



THE REACTIONS OF AMPHIBIANS TO LIGHT. 



By A. S. Pearse. 



