96 



COTTON CULTURE. 



the sun very hot, most of the eggs perish or become 

 abortive. This is the reason why moist weather in Au- 

 gust forebodes an attack of the Boll-worm. But no sea- 

 son is so hot and dry but some worms will be hatched, 

 and they commence to spread downward upon the plant 

 and commit depredations on the boll. 



Fig. 18. THE BOLL-WORM AND MOTH. 



DESCRIPTION : a, the young worm eating into the young boll ; , full grown 

 boll with hole eaten in the side, containing the Boll-worm after shedding skin 

 the 4th time (19th day), with foeces in boll ; c, moth in motion, and cf, at rest. 



The Boll-worm is thus accurately described by Mr. 

 Boddie, of Jackson. 



" The larva or caterpillar, when full grown, will measure 

 from an inch and a half to an inch and three quarters in 

 length; it looks, to a superficial observer, brown, pale 

 yellow and light green, though it has eight longitudinal 

 streaks of white, brown and green, with one or two dots 

 on each segment of the body along the lowest streak. It 

 is smooth, shining, naked, with a few hairs on each seg- 

 ment of the body. It is of a cylindrical form, tapering a 



