BUREAU OF PLANT INDUSTRY. 
Ohief of Bureau, WILLIAM A. TAYLOR. 
Oxvicu oF INVESTIGATIONS IN Forest PATHOLOGY. 
‘ SCIENTIFIC STAFF. 
Haven Metcalf, Pathologist in Charge. 
George G. Hedgecock, Emile P. Meinecke, and Perley Spaulding, Pathologists. ‘ 
J. Franklin Collins, Carl Hartley, William H. Long, and James R. Weir, Forest Patholo- 
gists. . 
Samuel B. Detwiler, Forest Inspector. 
G. Flippo Gravatt, C. J. Humphrey, and N. Rex Hunt, Assistant Pathologists. 
Roy G. Pierce, Forest Assistant. 
John §. Boyce, Ruth M. Fleming, Ernest E. Hubert, Gilbert B. Posey, Paul V. Siggers, 
and Ruby J. Tiller, Scientific Assistants. 
