i 3 



of Biological Systems 



Proceedings of the Conference on Luminescence March 28-April 2, 1954, spon- 

 sored bij the Committee on Photobiologij of the National Academy of Sciences- 

 National Research Council and supported by the National Science Foundation 



S. €>curcU-i 



Edited by 



FRANK H. JOHNSON 



Princeton University 



A Publication of the 

 AMERICAN ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE 

 Washington, D.C. 1955 



