U. S. DEPARTMENT OF AGRICULTURE. 

 BUREAU OF PLANT INDUSTRY— BULLETIN NO. 145. 



B. T. GALLOWAY, Chief of Bureau. 



VEGETATION AFFECTED BY AGRICULTURE 

 IN CENTRAL AMERICA. 



O. F. COOK, 



Bioxomist, Bureau of Plant Industry. 



Issued April 10, 1909. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE, 



1909. 



