U. S. DEPARTMENT OF AGRICULTURE, 



DIVISION OF ENTOMOLOGY— BULLETIN NO. 39, NEW SERIES. 



L. O. HOWARD, Entomologist. 



THE CULTURE 



OF 



THE MULBERRY SILKWORM. 



HENRIETTA AIKEN KELLY, 



SPECIAL AGENT IN SILK INVESTIGATIONS. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 1903. 



