FOREST SERVICE. 
HENRY S. GRAVES, Forester. 
ALBERT F. POTTER, Associate Forester. 
HERBERT A. SMITH, Editor. 
BRANCH OF RESEARCH. 
Eable H. Clapp, Assistant Forester, In Charge. 
Forest Investigations. 
Raphael Zon, Chief. 
Samuel T. Dana, Assistant Chief, 
