ENGLISH INDEX. 
Habit, what, iv. 551. 
Habitations of solitary insects, i. 
435: of gregarious insects, 446. 
——-— curious ones of Tinci- 
_de@, i. 457, 
arvest-man, iv. 114. 
Hawkmoth, Dee, i. 209: death’s- 
head, 34, 163 ; li. 240, 266: hor- 
_ het, 1, 209: humming-bird, ii. 
369, 383: privet, 11,266: spurge, 
266. 
Hawkmoths, ii. 237. 
Hearing of insects, organ of, iv. 
240. 
Heart of insects, what represented 
by? iv. 84: of Arachnida, 93. 
Heat (vital) of insects, ii. 229: iv. 
ike 
Herbage beneiited by insects, i. 
249, 
Herod (Agrippa) destroyed by lar- 
Nees 1. 90; 
Heteromerous insects, iil. 683. 
Honey, 1. 327: iv. 134. 
— comb, 1. 485. 
—- dew, i. 203. 
Hops, insects that attack, i. 182. 
Hornet, i. 121, 270. 
Horse, insects that annoy, 1. 145. 
Hovering of insects, ii, 368. 
Humble-bees, affection for their 
young, i. 379: mode of building 
theirnests, 502: females, ii, 114: 
making cells, 117: males, 118: 
workers, 118: hive-bees per- 
suade them to yield to them 
their honey, 119. 
Humeral piece of wings, ili. 619. 
Humming of insects, il. 379: i. 
552, note. 
in the air, ll. 377. 
Hybernation of insects :—in theegg 
state, ll. 432: pupa state, 435: 
larva state, 436: perfect state, 
437: places to which they resort 
for, 440: cold not the oaly cause 
of, 460. 
Hymenoptera ( gregarious) not sub- 
ject to the attack ofichneumons, 
iv. 218, 
629 
Ichneumons, 1. 264; iv. 209,222; 
how to extract from caterpillars, 
54). 
Ignis fatuus, ii. 422. 
Imago, i, 68: motions——walking, 
il. 306: running, 310: jumping, 
313: climbing, 320 ; against gra- 
vity, 323: flying, 346: swim- 
ming, &c., 363 : burrowing, 365: 
development, iii. 291: sexual di- 
stinctions, 299: age, 343. 
Insects, apparatus for killing, iv. 
530: annoyance cf in what 
respects beneficial, 1. 250: be- 
neficial in removing nuisances ; 
as dung, 252: carrion, 253: In 
keeping other insects, &c. within 
due limits, 245, 259: as afford- 
ing food to mammalia, 277; to 
reptiles, 278; to fishes, 279; to 
birds, 284; to man, 298: as ar- 
ticles used in materia medica, 
312: used for ornament, 314: 
as affording materials for dyeing, 
ink, &c., 315: as producing wax, 
324; honey, 327; silk, 329: 
cold and frost, effects upon, Ii. 
442,451: definition of, 1. 28: 
breeding them, directions for, iv. 
538: differ from Crustacea and 
Arachnida, tii. 9: education, ef- 
fects of upon, ii. 87: errors (vul- 
gar) concerning, 1. 33: fossid, iv. 
557: 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, 393; iii. 417: 
stratagems employed in procu- 
ring food—by spiders, 1.404; by 
the ant-lion, 427: how best to 
kill them when captured, iv. 
523, 527: imitations they exhi- 
bit, i. 7; li. 219: injuries they 
occasion to man, 1. 82; other 
animals, 144 ; grain, 166; pulse, 
173; herbage, 177; roots, 184; 
kitchen-garden, 187; flower gar- 
den, 192; fruit, 193; plantations, 
