ENGLISH INDEX. 
677 
Hybernation of insects: — in the egg 
state, ii. 427 : pupa state, 430: 
larva state, 431 : perfect state, 
432 : places to which they resort 
for, 434 : cold not the only 
cause of, 454. 
Hymcnoptcra (gregarious) not sub- 
ject to the attack of ichneumons, 
iv. 225. 
Ichneumons, i. 267 ; iv. 216, 230 : 
how to extract fron caterpillars, 
554. 
Ignis fatims, ii. 417. 
Imago, i. 68 : motions — walking, 
ii. 302 : running, 306 : jumping, 
309 : climbing, 316; against gra- 
vity, 318: flying, 342: swim- 
ming, &c.,359: burrowing, 361 : 
development, iii. 290 : hatched 
under a hen iv. 555 : sexual di- 
stinctions, iii. 298 : age, 343. 
Insects, apparatus for killing, iv. 
540 : annoyance of in what 
respects beneficial, i. 251 : be- 
neficial in removing nuisances ; 
as dung, 254 : carrion, 256 : in 
keepingother insects,&c. within 
due limits, 261 : as affording 
food to quadrupeds, 280 : to 
reptiles, and fishes, 282; to birds, 
287; to man, 301 : as articles 
used in materia medica, 313: 
used for ornament, 317 : as af- 
fording materials for dyeing, 
ink, &c, 3 1 7 : as producing wax, 
326 : honey, 329 : silk, 332 : 
vitality of, ii. 446 : cold and 
frost, effects upon, ii. 437, 446 : 
definition of, iii. 28 : breeding 
them, directions for, iv. 552 : 
differ from Crustacea and Arach- 
nida, iii. 9: education, effects 
of upon, ii. 87 : errors (vul- 
gar) concerning, i. 33 : fossil, iv. 
570: food of— vegetable, i. 382; 
animal, 384; both animal and 
vegetable, 386: some univorous, 
387 ; others omnivorous, 388 : 
times of feeding, 391 : organs by 
which they feed, 392 ; iii. 416: 
stratagems employed in procu- 
ring food — by spiders, i. 403; by 
the ant-lion, 425 : how best to 
kill them when captured, iv. 
536, 540 : imitations they exhi- 
bit, i. 7; ii. 216: injuries they 
occasion to man, i. 80 ; other 
animals, 145; grain, 167; pulse, 
1 75 ; herbage, 1 78 ; roots, 185 ; 
kitchen-garden, 1 89 ; flowergar- 
den, 1 94; fruit, 1 95; plantations, 
207; to our food, 227; gar- 
ments, 232; timber, 235; books 
and cabinets, 239 : instincts, ex- 
quisiteness of, ii. 467 ; number 
of, 492; development of, 503: 
instruction afforded by insects, 
i. 16: integuments of, iii. 393 : 
intellect of, ii. 507; iv. 21, 32: 
inventions they have anticipa- 
ed, i. 14 : means by which they 
defend themselves — passive, ii. 
216 ; active, 229: luminous in- 
sects, ii. 403 : noxious, how to 
be destroyed, i. 28 : nnmber, 
(supposed) of insects existing, 
iv. 489 : compared with that of 
plants, 4S9 : of carnivorous and 
phytiphagous insects, 491 : ovi- 
parous and ovo-viviparous in- 
sects, iii. 65 : representative in- 
sects, iv. 508 ; rank of, 373 : 
strength of,iv. 195: setting and 
preparing for cabinet, 543 : table 
of relative size of, iii. 33 : trans- 
formations of, i, 63: memory of, 
ii. 519. 
Insects, proper and improper, ii. 
303. 
Instinct, change of in a spider, iv. 
205, note. 
Itch, cause of, i. 90. 
Itching produced by hairs of cater- 
pillars, i. 130. 
Jaivs of insects, i. 393 : upper, iii. 
313 ; under, 315. 
Jelly, secreted by ditto, iv. 139. 
Journal, entomological, how to 
make, iv. 569. 
Jurine, system of, iii. 620; iv. 482. 
