EERE OFT TRANSMITTAL: 
UNITED STATES DEPARTMENT OF AGRICULTURE, 
DIVISION OF ENTOMOLOGY, 
Washington, D. C., April 15, 1896. 
Sir: I have the honor to submit for publication the fourth number 
of the technical series of bulletins of this Division. It is composed of 
a group of articles, chiefly of a descriptive character, which relate to 
injurious insects liable to be imported into the United States. 
Respectfully, 
L. O. HOWARD, 
Entomologist. 
Hon, J. STERLING MORTON, 
Secretary of Agriculture, 
