U.S. DEPARTMENT OF AGRICULTURE. 



DIVISION^ OF ENTOMOLOGY. 



PERIODICAL BULLETIN. AUGUST, 1889. 



A^ol. II. 



ISTo. 2. 



INSECT LIFE. 



DEVOTED TO THE ECONOMY AND LIFE-HABITS OF INSECTS, 



ESPECIALLY IN THEIR RELATIONS TO AGRICULTURE, 



AND EDITED BY THE ENTOMOLOGIST 



AND HIS ASSISTANTS. 



[PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1889. 



