ENGLISH INDEX. 
Abstinence of insects, i. 398. 
Acariasis, disease so called, i. 97 ; 
iv. 232, 234. 
Acid, acetic, iv. 144: bombic, iv. 
145: formic, iv. 144: malic, iv. 
144. 
Acorns, attacked by insects, i. 214. 
Acridophagi, i. 304. 
JElian, iv. 435. 
A'eroscepsy, iii. 46; iv. 248, 253. 
Affinity, iv. 366 : object of, 41 1. 
Air-reservoirs, iv. 54, 191. 
Aldrovandus, iv. 438. 
Anableps, singular fish, iii. 498. 
Amnios and Chorion, analogue of 
in insects, iii. 61. 
Analogies in nature, kinds of, iv. 
427: object of, 417: scale of 
in insects, 421. 
Analogies, i. 7 ; iv. 414. 
Analogy, argument from, iv. 245. 
Analysis (chemical) of insect sub- 
stance, iii. 394. 
Anbury, i. 450. 
Animals, classifications of, iii. 2. 
annulose, iii. 13 ; iv. 436 : 
insectivorous, i. 261. 
Ant, black, ii. 48: fire, i. 122: 
green, 122 : hill or horse, 234 ; 
ii. 48, 96 : jet, 48, 97 : mason, 
96 : miner, 79 : parasol, i. 209 : 
red, ii. 48, 69 : rufescent, 76 : 
sanguine, 81: sugar, i. 183: 
turf, ii. 93: visitation, i. 123, 
273 : yellow, ii. 48, 89. 
Anteater, i. 281. 
Antennce, iii. 508 : whether analo- 
gous to ears, 46. iv. 240. 
Antipathies, natural, i. 143. 
Antlion, i. 425. 
Ants, love of their young, i. 364 : 
nests, 476 : swarms, ii. 51 : lan- 
guage, 59 : wars, 68 : slaves, 
74 : milch-cattle or Aphides, 87: 
emigrations, 91: recruits, 92: 
roads, 97 : strength, 99 : diver- 
sions, 103 : diseases of, iv. 208. 
(white), ravages of, i. 244 : 
nests, 506 : history, ii. 31 : colo- 
nies, 34 : number of eggs, 36 : 
soldiers, 39 : sounds of, 41. 
Aphides. See Plant-lice. 
Apparatus for taking and destroy- 
ing insects, iv. 528. 
Apple, attacked by insects, i. 199. 
Apricots, attacked by insects, i. 
202. 
Arachnida, how they differ from 
insects, iii. 10: their respira- 
tion, iv. 60 : circulation, 99 : 
liver and intestinal canal, 122. 
Aristotle's system of animals, iii. 2: 
of insects, iv. 432. 
ylrmadillo, feeds on locusts, i. 281. 
Armour (defensive) of insects, ii. 
222. 
Arms, fore legs why so called, iii. 
544. 
Arrows (poisoned), how prepared, 
i. 133. 
Articulations of legs, iii. 654, 663, 
669, 680. 
Artifices (defensive) of insects, ii. 
254. 
Aspect (defensive) of insects, ii. 
221. 
Ass, remarkable anecdote of, ii. 
496. note. 
