
          XVII
[drawings]
Cotton. Flower "square" & Boll worm.  Plate 17. moth. Heliothis (Ochs) armigera (Hub.)
1 Egg as deposited upon the outside of the involucre or "ruffle".   2 Holes eaten through the
involucre.  & corolla by the young boll worm, before the flower bud has matured into the perfect
flower.  3  young boll worm eating stamen. &  & causing its destruction  4. Frass dropped by
young worm  5 Hole eaten through the bottom of flower into the embryo seed vessel or boll
6 Young worm eating interior of young boll.  7 Pistil distorted. and stamens destroyed by
attack of young worm. & frequently the cause of nonimpregnation.  8 Young flower bud as 
attacked by the young worm, with the interior eaten out.  9. same as fallen. the [illegible]
always in planters phrase "flaring open."  10 Fuli grown boll worm boring into full grown
boll. hence another common name "Bore worm"  11  Eggs of moth Heliothis (Ochs) armigera (Hub)
H. armbaosus. (Grote) mag. 12 Caterpillar or worm, darkest brown color. with yellow longitudinal
stripe on side.  13. Cocoon formed of particles of earth woven or gummed together. under ground
with chrysalis inside  14  End of tail of chrysalis.  15  Moth or perfect insect, at rest
(largest specimens seen)  16  Moth flying. the colors & markings of these moths vary very
much, some being light greenish drab, whilst others are dark brownish, & yellow
[illegible] same.
insect is very common in Maryland where it destroys roasting ears of Maize or Corn.
TGlover
        