ONTARIO AGRICULTURAL COLLEGE. 



BULLETIN 133. 



The Present Condition of 



San Jose Scale 



IN ONTARIO. 



BY 



Wm. Lochhead, B. a., M. S., Professor of Biology. 



PUBLISHED BY THE ONTARIO DEPAETMENT OF AGfilOULTURE. 

 Toronto, Ont., December, 1903. 



Printed by L. K. CAMERON, 



Printer to the King's Most Excellent Majesty. 



