Bulletin 144. 



January, 1898. 



Cornell University Agricultural Experiment Station, 



ITHACA, N. Y. 



Entomological and Horticultural Divisions. 



NOTES ON SPRAYING 



AND 



ON THE SAN JOSE SCALE, 



By H. P. GOULD. 



PUBI^ISHKD BY THE UNIVERSITY, 



ITHACA, N. Y. 



1898. 



