United States Department of Agriculture 



Department Bulletin 13U9, 



"The Brood-Hearing Cycle of the Honeybee.' 1 



Cor rectio n Slip 



Page 1+9, figs. 21 to 23. The manbers at the left of the 

 horizontal lines in the graphs should he the same as in 

 Figures 19 and 20, page US, "namely, U0.000, 30,000, 

 20,000, 10,000 and 0. 



