PLATE XVI 



Fig. I. — Injury to terminal bud of cotton by lepidopterous larva. This worm was 

 embedded at point a. 



Fig. 2. — Two cotton plants from laboratory garden with leaves removed. Plant A 

 shows the abnormal forking caused by injury to the terminal bud, while B is a normal 

 stalk. The absence of fruit on plant A is due to the deformity. 



