SMITHSONIAN MISCELLANEOUS COLLECTIONS 

 VOLUME 111, NUMBER 18 



(End of Volume) 



TREE GROWTH AND RAINFALL- 

 A STUDY OF CORRELATION 

 AND METHODS 



BY 

 WALDO S. CLOCK 



Macalester College 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



OCTOBER 25, 1950 



