Issued October 4, 1912. 



U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ENTOMOLOGY— CIRCULAR No. 161. 



" L. O. HOWARD, Entomoloeist and Chief of Bureau. 



THE MANIPULATION OF THE WAX 

 SCALES OF THE HONEY BEE. 



D. B. CASTEEL/Ph. D., 



Collaborator; Adjunct Professor of Zoology, 

 University of Texas. 



WASHINGTON ; GOVERNMENT PRINTING OFFICE I 1912 



