INJJEX. 



Its cells, ib. ; feipales, ib. ; metbod of 

 puttintf tlie colony into iiiotiiiii, 838. 



Huiiiiniiig bird, bounty of tbi' colours of 

 the, iii. 'iSXi ; varieties, 'Ji)7 ; tlic, de- 

 scribed, ib. ; visits flowers, wlletber 

 it. exiracts liniiey from tbein, ib and 

 298 11. ; account of its nest, 298 ; of 

 the nest in America, 299 ; disappears 

 in tbe winter, in cold climates, ib. ; 

 note of the, ib. 300; plumage, 300 



Hunger, common to all animals, i. 3.'iS ; 

 description of a person enduring tlie 

 extremities of, 32<) ; its uses, 310 ; 

 how caused, ib. ; t'sw die of absolute, 

 ib. 3U ; many of the diseases it in. 

 duces, 341 ; how long endurable, 3i2 ; 

 how palliated, 3+3- 



Hunt, L. his sonnet t" the grasshopper 

 and cricket, iv. 2(i0 ti. 



Hunter spider of Rome, its habits de- 

 scribed, iv. 20+ n. 



Hunting', American horses, how em- 

 ployed in, i. 482, 483; of the chamois, 

 described, ii. 37 — 10 and n. ; of the 

 elephant, &e. See Elephant, &c. 



Hurrii-ane,descriptiou of the, i. 211,242. 



Huso sturgeon, account of the, iii. 517; 

 its isinglass, ib. 



Button, his theory of the earth, i. 27 n. 



Hy.nena, distinguished from the wolf, Li. 

 249, 250 ; its fierceness, 250 ; cry or 

 moan, ib. ; a solitary animal, 251 ; dis- 

 positions ol the, ib. ; fables cimcern- 

 ing tile, ib. ; two species oftlie, ib- n,; 

 tbe striped, described, 252 n.; where 

 found, ib. ; popular not ons concern. 

 iiig- the, ib ; reflections on these, 253 

 n- ; the spotted, ib. ; where found, 

 ib. ; in South Africa, a carrion eater, 

 ill. ; depredations of the, 255 n. ; in- 

 stances of d(miestication, 256 n. ; in. 

 tractibility of the, ib. ; stories of the, 

 255, 25f) n. ; fossil, where found, 257 

 n. ; conjectures concerning the, 258 

 n. ; state iu which the bones found, 

 ib. ; size of the, ib. 



H yd M's tatics — See Water — paradoxes 

 )ii,i. I:JI; metals, how weighed hydro- 

 static. Ily, 134; laws of hydrostatics, 

 132— 1:;4. 



Ibex, the, supposed by Bnff'on to be 

 the Siiurce of the goat, ii. 30 ; their 

 resemblance, ib. 31 ; the, described, 

 30, 31 n. ; its haunts, 31 n. ; the Abys- 

 sinian, described, ib. ; Caucasian, ib. ; 

 segHgrus, 32 n. 



Ibis, venerated by the Egyptians, iii. 

 314; wliat bird it was, different 

 opi:iions, 315 and n. ; Bnice's opinion, 

 ib. n. ; confirmed by Cuvier, 31f) n. ; 

 the animal described, ib. ; wby ve- 

 nerated by the Egyptians, ib."; the 

 black spec.es, ib. 317 ii ; flight of the 

 aliiiiial, 317 n. ; how taken, ib. j lood 



of the, ib. ; the scarlet, of Americn, 

 account of the, ih. , of one kept by 

 M. de la Borde, ib. 318 n. 



Ice, i. 125 ; its elasticity, 128. ; moun- 

 tains aud sheets of, at tlie polar re- 

 gions, 170; how formed, ib. ; of what 

 composed, ib. ; mountain ice, de- 

 scription of, ib. 171; Crantz's ac- 

 count of the formation of, 171, 172. 



Ichneumon, tlie, where found, ii. 278 

 — 278 ; its size, shape, and colour, ib.; 

 agility, and courage, 277; its prey, 

 ih. ; destroys the crocodile's eggf, ib. 

 fables concerning, ib. ; its habitudes, 

 ib.; physiognomy, ib. ; glands, ib. ; 

 account of one sent from Ceylon,278; 

 veneration of the Egyptians for the,ib. 



Ichneumon fly, the, inserts its eggs 

 into the grasshopper, iv. 2fi2, 263 n. ; 

 into the caterpillar, ,308 ; its formid- 

 able nature, 350 ; whence the name, 

 ib. ; the, described, ib. ; its weapon 

 of offence, &c. ib. 3.57. ; manner ol 

 depositing its eggs, 357; prot.-res'? to 

 the fly estate, ib. 358; its u-es, 353. 



Ignis Fatuus, what it is, i. 257 n. ; de- 

 scription of several appearances of 

 the, ib. 



Iguana, size and description of the, iv. 

 136,137; varielies, 137 n. ; the com 

 mou American, described, ib. ; the 

 slate.ciiloured, ib. ; the iiorned, of St 

 Domingo, ib. ; the fasciaia, 138 n. ; 

 excellence of the flesh of tbe iguana, 

 137 II. and 138 ; how taken and killed 

 by tbe Americans, 138, 139. 



Illusions, meteoric, i. 265, 266. 



Incubation of birds, account of the, ii'. 

 11. 



Indians, American, how they pall ate 

 hunger, i. 343; their method of eiiarin- 

 ing serpents, aescribed by Fhilo^t. a- 

 tiis, iv. 162. 



Indian islands, the natives of the, de- 

 scribed, i. 396 n. 



Indigo bird, habitudes and note of the 

 iii. 249, 250 u. 



Indus, tides at the mouth of the, i. 177. 



Infancy of man, history of the, i. 300 ; 

 sensations during, 301, 302 ; vivacity 

 of negroes during, 302 ; infants when 

 newly born, their appearance, ib. ; 

 their voracity, 303 ; endurance of 

 hunger, ib. ; their life precarious, 

 304; their growth, 304, t05; progress 

 of their niiderstanding, 305 — 309. 



Insect-'i, few tracts of, in the fossil state, 

 i. .3ti u. ; Swainmerdam's notions of 

 their dignity, iv. 192 ; their reiil im- 

 perfection information, 193; instiiicLs, 

 ill. ; utility, ib. 194; their numbers 

 194; uninstructible, ib. ; definilion 

 of insects, 195; numerous distinctions 

 among, lb. 196; similitudes among, 

 196; Classification of, 197, 198; iii. 

 sects whence named, 198 n. ; manner 

 of breathing, ib. ; uiouth, where 



