ENGLISH INDEX. 
675 
Dimerous insects, iii, 684. 
Diptera, three descriptions of, ii. 
355. 
Diseases of insects : — wounds, iv. 
205 : internal diseases, 208 : 
parasitic, 214. 
— — caused by lice, i. S3 : by 
mites, 88 : by larva?, 97, 134. 
Dissection of insects, modes of, iv. 
201. 
Distribution of insects : —numeri- 
cal, iv. 488: topographical, 494: 
local, 511. 
Diurnal insects, iv. 524. 
Dogs, insects infesting, i. 162. 
Dors, ii. 216, 306; iii. 332. 
Dragon, flying, wings represent 
mid-legs of insects, iii. 591 ; iv. 
428. 
Dragon-Jlies, devourers of insects, 
i. 276 : cloud of, ii. 10: wings of, 
ii. 350 : remarkable apparatus 
of larva, &c, iii. 125 : eyes of, 
501. 
Drone, or male bee, ii. 168. 
Drum of the cicada, ii. 400 : of 
grasshoppers, 396. 
Dyes afforded by insects, i. 317. 
Earwigs, common, sits on her eggs, 
i. 360 : wings of, ii. 346 : giant, 
ii. 234 : lesser, iv. 527. 
Education, effects of on ants and 
other insects, ii. S7 ; iv. 22. 
Eggs of insects, how fecundated, 
iv. 164 : exclusion, iii. 66 : situ- 
ation, 70 : substance, 86 : num- 
ber, 89 : size, 90 : growth, 91 : 
shape, 93 : sculpture, 97 : co- 
lour, 99: gestation, iv. 168: 
have their parasites, iv. 219. 
Electricity affects gossamer web, 
iv. 137: excites insects, 141,254. 
Emigrations, of insects, ii. 7 : of 
locusts, i. 225; ii. 14: of ants, 
ii. 91. 
Entomologist, not cruel, i. 53: dress 
proper for, iv. 538. 
Entomology, instances of its utility, 
i. 237 : study of, value, 4 : uses 
of a system of, 46. 
Entozoa ncmatoidea, a kind of in- 
testinal worms, iv. 237. 
Ephemeras, history of, i. 282 : sin- 
gular gyrations of, ii. 365 : have 
an inner pupa case, iii. 295 : re- 
spiratory organs, iv. 57 : used as 
manure, i. 316. 
Eras, entomological : — of the an- 
cients, iv. 430 : of the revival of 
the science, 436 : of Swammer- 
dam and Ray, 441 : of Linne, 
447 : of Fabricius, 460 : of La- 
treille, 465 : of MacLeay, 477. 
.Ew7 (seeming), uses of, i. 250. 
Excrement of insects, iv. 125 : lar- 
vae of wasps,bees,&c. have none, 
108, 116. 
Eyes of insects : — simple, iii. 489 : 
conglomerate, 492 : compound, 
493 : structure of, 494 : num- 
ber, 497 : situation, 499 : figure, 
500. 
Fabricius, system of, iv. 461. 
Fishes insectivorous, i. 265, 289 ; 
ii. 272: attacked by an insect, i. 
166. 
Flea, i. 100: leap of, ii. 310: 
strength of, iv. 195. 
Flies, singular disease of, iv. 209: 
aphidivorous, i. 399. 
Flowers, insects that devour, i. 1 94. 
Fluid in pseudo-cardia of insects, 
iv. 83, 90, note. 
Fly, Abyssinian, i. 153: case-worm, 
ii. 301: cauliflower, i. 190: cha- 
maeleon, iii. 99; iv. 54: cheese, 
ii. 280: crane, 363; iii. 67; 
iv. 163 : eye, i. 130: fire,i. 317; 
ii. 412, 422 : flesh or carrion, i. 
257 ; ii. 272, 357 : forest, i. 149; 
ii. 306: gall, i.317, 446;iv. 162: 
Hessian, i. 50, 170: horse, i. 
109, 146 : house, i. 129; ii. 357; 
466, note: lace-winged, iii. 94 : 
May, i. 282 ; ii. 236, 298 : onion. 
i. 191 : sand or burning, i. 110: 
scorpion, ii. 20, 56 : snake, 305: 
swallow, i. Ill: wheat, 169. 
Food, insects that attack, i. 227 : 
reservoir, iv. 104. 
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