LHTTliR OF TRAXSMITTAL. 



U. S. Department of Agriculture, 



Office of Experiment ^Stations, 



Washington, D. C, April 30, 1906. 

 Sir: I have the honor to transmit herewith and to recommend for 

 pubHcation as Bulletin No. 171 of this Office the Report on the Agri- 

 cultural Investigations in Porto Rico for the fiscal year 1905, by 

 D. W. May, ^M. Agr., Special Agent m Charge of the Porto Rico 

 Agricultural Experiment Station. 



Respectfully, A. C. True, 



Director. 



Hon. James Wilson, 



Secretary of Agriculture. 



(3) 



