BULLETIN 1 OS — January, 1896. 



Cornell University— Agricultural Experiment Station, 



ITHACA, N. Y. 



ENTOMOLOGICAL DIVISION. 



THE PEAR PSYLLA 



AND 



THE NEW YORK PLUM SCALE 





\0 f. 



New ' 



QARDEh 



Bv M. y. Slingeklanij 



