BUREAU OF PLANT INDUSTRY. 



Chief of Bureau, William A. Taylor. 



Office of Investigations in Forest Pathology. 



scientific staff. 



Haven Metcalf, Pathologist in Charge. 



George G. Hedgeock, 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 S. Boyce, Ruth M. Fleming, Ernest E. Hubert, Gilbert B. Posey, Paul V. Siggers, 

 and Ruby J. Tiller, Scientific Assistants. 



