630 
205; to our food, 224; gar- 
ments, 229 ; timber, 232; books 
and cabinets, 256: instincts, ex- 
quisiteness of, ii. 473; number 
of, 498; development of, 509: 
instruction afforded by insects, 
i. 16: integuments of, ili, 394: 
intellect of, i, 513; iv. 21, 32: 
inventions they have anticipat- 
ed, i. 14: means by which they 
defend themselves—passive, il. 
219; active, 232: luminous in- 
sects, ii. 409: noxious, how to 
be destroyed, i. 30: number, 
(supposed) of insects existing, 
iv.477: compared with that of 
plants, 477: of carnivorous and 
phytiphagous insects, 479: ovi- 
parous and ovo-viviparous in- 
sects, li. 65: representative in- 
sects, iv. 496: rank of, 363: 
strength of, iv. 188: setting and 
preparing for cabinet, 530: table 
of relative size of, lil. 53: trans- 
formations of, i. 69. 
Instinct, change of in a spider, iv. 
198, note. 
Itch, cause of, i. 90. 
Jaws of insects, 1. 394. 
Jelly, secreted by ditto, iv. 133. 
Journal, entomological, how to 
make, iv. 556. 
Jurine, system of, ili, 622; iv. 470. 
Kingdoms (animal and vegetable), 
analogies between, iv. $61: nu- 
merical arrangement of, 400. 
Knowledge, two avenues to, 1. 24. 
Lac, an insect product, i. 321. 
Lady-bird or Lady-cow, i. 262 ; ii. 
9, 230. 
Lamarck, system of animals, iii. 15: 
of insects, iv. 462. 
LanternJly, noise of, i. 401: whe- | 
ther luminous, 418. 
Larva of flies, 1. 227: stinging, 
li. 179: rat-tailed, i. 253: its 
respiratory apparatus, iv. 53. 
TLarve, substance of,i!. 110: head, 
112: eyes, 116: antenne, 118: 
mouth, 119: trunk and. abdo- 
ENGLISH INDEX. 
men, 190: -prolegs, 134: dor- 
sal of gall-fly, 11. 281: appen- 
dages, iv, 145: figure, 156: 
kinds of, 160: primary forms 
of, 162: clothing of, 174: co- 
lour, 185 : food of, 189 : moult- 
ing, 190: growth of, 201: how 
they prepare to assume the pu- 
pa, 204: motions of apodous, 
li. 273: of pedate, il. 286. 
Latreille, system of, iv. 456. 
Law (original) of the Creator, re- 
eulates the developments of in- 
sects, ill. 56. 
Leach, Dr., system of, iv. 463. 
Legs of insects, parts of, 0. 286: 
number of, 307; ill. 654: ac- 
quisition of, by myriapods, ii. 
107, 159: antenna supply the 
place of, ii. 13: relative loca- 
tion of, 658; motatory, 11. 306. 
Lepidoptera, parasites of, iv. 221: 
colours, ili. 649: scales, 646. 
Linné, system of animals, iti. 5: of 
Insects, iv. 438. 
Lint collected by an ant, i. 312. 
Lister, Dr. Martin, iv. 434. 
Liver of Arachnida, iv. 103, 115. 
Locusts, ravages of, i. 213: follow- 
ed by famine and pestilence, 
214: benefits produced by, 249 : 
used as food, 300: leap of, il. 
314: female killed by the male, 
ill, 347. 
Louse, bat, ii. 311: bird, 1. 162; 
iii. 97: common, i. 83: peacock, 
i. 162: sheep, i. 156: sugar, il. 
320: wood, 233. 
—, leaf. See Plant-louse. 
Luminosity of insects, causes of, ii. 
4233 Iv. 444. 
Lyonnet, anatomy of the cossus, iv. 
448, 
MacLeay, W.S., system of ani- 
mals, iii. 12: of Annulosa,iv. 465: 
of Mandibulata, 467; of Petalo- 
cera, 469: columns of analo- 
gous Haustellata and Mandibu- 
lata, 412. 
Maggot of a fly, destructive to the 
