535 , 7 
TLq 
V, (O 
Bio Lo&y 
TABLE OF CONTENTS. 
Ill 
V 
Page. 
Table of contents. 
List of illustrations..... 
Letter of transmittal. . , , 
Army worm.. r Po 
Its past history... . 
Natural history and description .. 7 
Eggs.;;;;;;;. « 
Larva... . ... 
Pupa and moth. . 
Term of life. i?. 
Number of broods and hibernation 07 
Proper home of the species and seasons most favorable to its’development.’. 33 
jttemecnai atoxic 10s... or* 
Natural. ™ 
Artificial.. . . . 
v corn-insect. ri 
Relation of Meteorological conditions to Insect develop men t.I 7 
Descriptive Catalogue of Larv®. ri/ihi 
Saw-flies (Tenthredimid®).. . 
List of plants injured by Larv® of Saw-flies .. 
L rocenda (Horn-tails).... 
Lepidoptera (Descriptive list of Larvae) .~o i ^ 
Larvae of Butterflies. . tqoo 
Papilionid®. . 
Pierid®. . if 
Danaid®. . if 
Nymphalid®. . 
Satyrid®. . . 
Sphingid®, or Hawk moths.. Q y J" 
^Egend®, or Borers. . 
Zyg®nid® . .JJg-109 
Bombycid®, or Spinners..i 55 
Noctuid®, or Owlet moths. joSifS 
,arv® of Lepidoptera, by D. W. Coquiliett!'... 
Section II.... 
Analytical Key to groups of Section'^ii.. ^ 
... 150 
... 152 
... 156 
... 157 
... 160 
... 165 
... 167 
... 171 
... 174 
... 179 
... 181 
... 183 
... 185 
-232 
193 
194 
200 
202 
206 
209 
209 
213 
223 
225 
229 
231 
Group II. 
Group III. . 
Group IV. . 
Group V. . 
Group VI... . 
Group VII. . 
Group VIII... . 
Group IX. ... 
Group X. . 
Group Xi. . 
Group XII. . 
Group XIII. .. 
Group XIV. .. ... 
he Hessian-fly, by Dr. A.‘S.Packard, Jr.'.*::. ,52 
Introduction. . .. 
Losses occasioned by. . 
Description. . 
Habits.. 
Effect of the worm on wheat. . 
Influence of climate on . . 
Parasites . . 
Remedies.7.7".!.'.’. 
Special remedies.... 
Periodicity.77.. 
Distribution. . 
Summary. . 
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