CHAPTEE X. 
I 
DISEASES OF THE COTTON PLAIJT. 
SECTION I. 
DIBBASEB EBSTJLTnJG SOLELY FEOM INSECTS. 
The cotton world is greatly indebted to Mr. T. Glover 
for his researches into the diseases of our valuable plant. 
We present the result of his labors without offering any 
apology. 
INSECTS FREQUENTING THE COTTON PLANT. 
The cotton plant furnishes food for numerous insects, 
some of which feed exclusively upon the leaf, some upon 
the flower, while others destroy the young buds and bolls. 
It is my purpose to describe these insects, not in the order 
of their classification by natural families, but according to 
the part of the plant they most generally frequent, or to 
which their ravages are chiefly confined. Thus, by refer- 
ring to the parts injured, one can easily recognize the in- 
sects, or their larvae, which attack them in any of the 
stages of their existence. 
Many of these insects at first appear in small numbers, 
and only become formidable in the second or third gener- 
