897 



U. S. DEPARTMENT OE AGRICULTURE. 



OFFICE OF EXPERIMENT STATIONS— BULLETIN NO. 169. 



A. C. TRUE, Direntor. 



REPORT 



ON 



IGimTUlilL INVESTIGATIONS 



1 9 5 . 



BY 



C. C. G^EORC^ESON, M. S., 



Special Agent in Charge of Alaska Experiment Stations. 



WASHINGTON: 



GOVERNMENT PRINTING OFFIGBc 



1906. 



