/ 2^ Jl±^- 



U.S. DEPARTMENT OF AGRICULTURE. 



DIVISION OF ENTO.AIOLOGY. 

 PERIODICAL BULLETIN. 



^LTgust, 1890, to A.iigust, 1891, 



INSECT LIFE. 



^ol. III. 



Dl'] VOTED TO THU ECONOMY AND Lll-E-HABITS OF INSECTS, 

 RSPECIALLV IN THIllR RELATIONS TO AGRICULTURE. 



K 1)1 TEL) BY 



C. V. RILEY, Entomologist, 



AND 



L. O. HOWARD, First Assistant, 



WITH TIIK ASSISTAXCK OF OTHKR Ml 



i1^ 



MUKRS OF THE DIVISIONAL FOKC15. 





% 



A ' \ 



ipuin,i.sni;u \\\ altiidrltv of thh shcretary of aciriculture.) 



WASHINGTON: 



fiOVERNMENT PRINTIN(; OFFICE 



1 8 IJ I . 



