LETTER OF TRANSMITTAL. 
United States Department of Agriculture, 
Division of Entomology, 
Washington, D. C, November 29, 1895. 
Sir: I have the honor to submit for publication the accompanying 
account t>f the investigations which have been made in this office dur- 
ing the past two years on the San Jose, or pernicious, scale. 
Respectfully, 
Hon. J. Sterling Morton, 
Secretary of Agriculture, 
L. O. Howard, 
Entomologist. 
