BUREAU OF PLANT INDUSTRY. 
Chief of Bureau, BEVERLY T. GALLOWAY. 
Assistant Chief of Bureau, WILLIAM A. TAYLOR. 
Editor, J. E. ROCKWELL. 
Chief Clerk, JAMES E. JONES. 
FRUIT-DISEASE INVESTIGATIONS. 
SCIENTIFIC STAFF. 
M. B. Waite, Pathologist in Charge. 
C. L. Shear, Charles Brooks, J. G. Grossenbacher, and W.S. Ballard, Pathologists. 
John W. Roberts, Assistant Pathologist. 
S. M. McMurran, F. V. Rand, George W. Keitt, W. Ralph Jones, D. F. Fisher, Clara H. Hasse, and Angie 
M. Beckwith, Scientific Assistants. 
Leslie Pierce, Assistant. 
J. Marion Shull, Botanical Artist. 
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DDITIONAL COPIES ofthis publication 
may be procured from the SUPERINTEND- 
ENT OF DOCUMENTS, Government Printing 
Office, Washington, D. C.,at 5 cents per copy 
