U. S. DEPARTMENT OF AGRICULTURE. 



DIVISION OF ENTOMOLOGY— BULLETIN No. 43. 



L. O, HOWARD,^ Entomologist. 



A BRIEF ACCOUNT 



OF THK 



Jl. 



BY 



F. H. CHITTEISTDEN, 



Entomologist in Charge op Breeding Experiments. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 1903. 



