UNIVERSITY OF CALIFORNIA PUBLICATIONS. 



COLLEGE OF AGRICULTURE. 



AGRICULTURAL EXPERIMENT STATION. 



OBSERVATIONS ON SOME VINE DISEASES 



IN SONOMA COUNTY, CALIFORNIA. 



BY 0. BUTLER. 



BULLETIN No. 168. 



(Berkeley, Cal., May, 1905.) 



SACRAMENTO: 



w. w. SHANNON, : : : SUPERINTENDENT OF STATE PRINTING. 



1905. 



