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U. S. DEPARTMEN * OF AGRICULTURE. ae 
~~ BUREAU OF ENTOMOLOGY BULLETIN No. 59. 3 
~, L. 0. HOWARD, Entomologist and Chief of Bureau. 
PROLIFERATION 
3 A FACTOR IN THE NATURAL CONTROL 
MEXICAN COTTON BOLL WEEVIL. 
BY 
W. E. HINDS, Ph. D., 
In Charge of Cotion Boll Weevil Laboratory. 
IssueD Avucusr 27, 1906. | 
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Tag WASHINGTON: 
- GOVERNMENT PRINTING OFFICR. ’ 
1906. 
