EXPLANATION TO PLATES. 
PLATE L 
a i.ft; a XT1.IHA. 
(Original. ) 
Fio«. 1, 1, 1. Eggs. 
Flo. 2. Newly-hatched larva, or first stage : o, 
larva in second stage | b, b, 6, larvre in 
third Btage; c, third stage, suspended 
by silk ; d, d, larvte in fourth stage ; e, 
larva in fifth stage; / larva in sixth 
or last stage and full-grown, side view 
and pale form; g, same, side view, 
dark form | A, same, back view ; t, 
larva in fifth stage, in act of springing. 
Flo. 3. Chrysalis Just changed and freed of its co- 
coon : o, chrysalis partially covered 
and ready to give forth the moth; b, 
cocoon entirely surrounding chrysalis. 
Fio. 4. Female moth with wings expanded: a, 
same, with wings closed, back view; 
b, male moth with wings closed, side 
view. 
Figs. 5, 5, 5, 5. Membranous patches of leaf, show- 
ing how parenchyma is eaten by young 
worms. (From Bull. 3, U. S. E. C.) 
PLATE II. 
(Figs. 7 and 7 a after Hiibner ; the rest original.) 
Fio. 1. Anomis crosa, larva, full-grown, at rest — 
natural size: a, head, from above; b, 
terminal joints and hind prolegs; e, 
one middle joint of body from above; 
d, same, from side — enlarged. 
Flo. 2. Same, pupa. 
Fio. 3. Same, moth with wings closed: a, wings 
expanded. 
Fio. 4. Anomis exacta, full-gTown larva— natural 
sizo: a, same, head; b, same, anal 
end; e, same, middle joint above; d, 
same from side— enlarged. 
Fio. 5. Same, pupa. 
Fig. C. Same, adult, dark variety: o, white reni- 
form variety. 
Fio. 7. Aletia argillacea, adult, wings expanded; 
a, same, under aide. 
PLATE III. 
HELIOTHIS ARMIGF.RA. 
(Original.) 
Fio. 1. Egg. 
Fio. 2. Young larva. 
Fio. 3. Square gnawed into by young larva. 
Fio. 4. Pale yellowish larva, with boll gnawed and 
eaten into. 
Fio. 5. Full-grown larva, normal colors. 
63 CONG 25 
Fio. 6. Chrysalis in earthen cell. 
Fig. 7. Moth with ochreous tinte. 
Fig. 8. Moth with olivaceous tint. 
Fio. 9. Moth at rest, showing how wings remain 
partly open. 
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