U. S. DEPARTMENT OF AGRICrLTlRE. 

 BUREAU OF PLANT INDUSTRY— BULLETIN NO. 145. 



B. T. GALLOWAY, Chief of Bureau. 



pEGETATION AFFECTED BY AGRICULTURE 

 IN CENTRAL AMERICA. 



O. F. COOK, 

 Bionomist, Bureau of Plant Industry! 



Issued April 10, 1909. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE 



1909. 





