HOW INSECTS AFFECT THE COTTOX PLANT, 



17 



Fig. 18.— Cotton plant attacked by boll weevil: a. Hanging dry square iiifeiied by weevil; b, tiared siiuare, 

 with weevil punctures; c, cotton boll, seelioiied, showing attacking weevil and weevil larva iu its cell. 

 (Hunter and Pierce.) 



