il. 50, Bureau of Entomology, U. S, Dept. of Agriculture. 
Plate III. 
Stages in the Life History of the Bollworm. 
Fig. 1, Eggs on corn silks; figs. 2-7, larvae, first to sixth instars, respectively; fig. 8, pupa- 
fig. 9, adult female moth— all figures enlarged one-fourth (original). 
