ECONOMIC ENTOMOLOGY 



FARMER AND FRUIT-GROWER, AND 

 FOR USE AS A TEXT-BOOK IN 

 S,R AGRICULTURAL SCHOOLS 



^"' AND COLLEGES 



tUL. BY 



JOHN B. SMITH, Sc.D. 



Pf-ofessor of Entomology in Rutgers College : Entomologist to the New Jersey Agricultural 



College Experiment Station and the Netv Jersey State Board of Agriculture ; 



President of the Association of Economic Entomologists , of the Brooklyn 



Entomological Society, and of the Nezv Jersey State Microscopical 



Society; Fellow of the American Association for the 



Advancement of Science, etc., etc. 



\_Second Rcfised Edition.'] 



ILLUSTRATED 



PHlLAUEMi'MJA AWD LONDON 



J. B. LIPPINCOTT COMPANY 



