INDEX. 



409 



IIemiptera, i. 839. 



Jiemitragus, beai-dless in both sexes, ii. 



269. 

 Hepburn, Mr., on the autumn-song' of the 



water-ouzel, ii. 51. 

 Ilepialiift hiimtiH, sexual difference of 



color in the, i. 3S6, 390. 

 Herbs, poisonous, avoided by animals, i. 



SO. 

 IlERMAPnitoniTiSM of embryos, i. 199. 

 I/erodias biibu/ews, vernal moult of, ii. SO. 

 Heron, love-gestures of a, ii. 65. 

 Heron, Sir R., on the habits of peafowl, ii. 



115, 116, 146. 

 Herons, decomposed feathers in, ii. 70; 



breeding-plumage of, ii. 78, 79; young 



of the, ii. 200 ; sometimes dimorphic, ii. 



205; continued growth of crest and 



plumes in the males of some, ii. 206; 



change of color in some, ii. 221. 

 I/etcerina, difference in the sexes of, i. 



351 ; proportion of the sexes in. i. 306. 

 I/eteroeerus, stridulation of, 1. 368. 

 Hewitt, Mr., on a game-cock killing a 



kite, ii. 41 ; on the recognition of dogs 



and cats by ducks, ii.l06; on the pairing 



of a wild-duck wth a jiintail drake, ii. 



110; on the courtship of fowls, ii. 112; 



on the coupling of pheasants with com- 

 mon hens, ii. 117. 

 Hindoo, his horror of breaking his caste, 



i. 95, 98. 

 Hindoos, local difference of stature among, 



i. Ill; diffei-ence of, from Europeans, i. 



231 ; color of the beard in, ii. 304. 

 Hipparchia Ja/iira, instabihty of the 



ocellated spots of, ii. 127. 

 ITipparchia, i. 375. 

 Hipptocampim, development of, i. 202; 



marsupial receptacles of the male, ii. 20. 

 Hippopotamus, nakedness of, i. 142. 

 Hips, proportions of, in soldiers and sail- 

 ors, i. 112. 

 Hodgson, S., on the sense of duty, i. 68. 

 Hoffberg, on the horns of the reindeer, 



ii. 233 ; on sexual preferences shown by 



reindeer, ii. 200. 

 Hog, wart, ii. 253 ; river, ii. 254. 

 Hog-deer, ii. 289. 

 Holland, Su- H., on the effects of new 



diseases, i. 280. 

 Homologous structures, correlated vai-ia- 



tion of, i. 125. 

 Ho.vopteka, i. 340; stridulation of the, 



and orthoptera, discussed, i. 349. 

 Honduras, Quiscahis major in, i. 29S. 

 Honey-buzzard of India, variation in the 



crest of, ii. 121. 

 Honey-suckers, moulting of the, ii. 79 ; 



Australian, nidification ol, ii. 161. 

 Honor, law of, i. 95. 

 Hooker, Jos., on the color of the beard in 



man, ii. 304. 

 Hoolock Gibbon, nose of, i. 184. 

 Hoopoe, ii. 53; sounds produced by the 



male, ii. 60. 

 Hoplopterus armatus, wing-spurs of, ii. 



37 



HoRNBiLL, African, Inflation of the neck- 

 wattle of the male during com-tship, ii. 

 69. 



HoRNBiLLS, sexual difference in the color 

 of the eyes in, ii. 123 ; nidification and 

 incubation of, ii. 161. 



HoRNB, C, on the rejection of a brightly- 

 colored locust by hzards and birds, i. 351. 



Horns, of deer, ii. 232, 237, 248; and canine 

 teeth, inverse development of, ii. 245, 

 sexual differences of, in sheep and goats, 

 i. 273 ; lass of, in female merino sheep, i 

 275 ; development of^ in deer, i. 278 ; de- 

 velopment of, in antelopes, i. 280 ; from 

 the head and thorax, in male beetles, i. 

 857. 



Horse, polj'gamous, i. 258 ; canine teeth of 

 male, ii. 230; ^\Tnter change of the, ii. 

 2S4; fossil, extinction of the, in South 

 America, i. 231. 



Horses, dreaming, i. 44 ; rapid increase of, 

 in South America, i. 130 : diminution of 

 canine teeth in, i. 138; of the Falkland 

 Islands and pampas, i. 227; numerical 

 proportion of the sexes in, i. 255, 256; 

 lighter in wnter in Siberia, i. 273 ; sexual 

 jireferenccs in, ii. 260; pairing preferent- 

 ly with those of the same color, ii. 2S1 ; 

 numerical proportion of male and female 

 births in, i. 293; formerly striped, ii. 291. 



Hottentot women, peculiarities of. i. 217. 



Hottentots, lice of, i. 212 ; readily become 

 nmsicians, ii. 318; notions of female 

 beauty of the, ii. 329; compression of 

 nose by, ii. 335. 



House-slaves, difference of, from field- 

 slaves, i. 237. 



Huber, p., on ants placing together, i. 38; 

 on memory in ants, i. 44 ; on the inter- 

 communication of ants, i. 56 ; on the rec- 

 ognition of each other by ants after sepa- 

 ration, i. 3.54. 



Hue, on Chinese opinions of the appear- 

 ance of Europeans, ii. 328. 



Human kingdom, i. 179. 



Human sacriiices, i. 66. 



Humanity, unknown among some sav- 

 ages, i. 91 ; deficiency of, among savages, 

 i.97. 



Humboldt, A. von, on the rationality of 

 mules, i. 47 ; on a parrot preserving the 

 language of a lost tribe, i. 228 ; on the 

 cosmetic arts of savages, ii. 324; on tho 

 exaggeration of natural characters by 

 man, ii. 834; on the red painting of 

 American Indians, ii. 336. 



Hume, D., on sjonpathetic feeUngs, i. 81. 



Hu.mmeng-bird, racket-shaped feathers in 

 the tail of a, ii. 70 ; display of plumage 

 by the male, ii. 88. 



Humming-birds, ornament their nests, i. 

 63, ii. 107; polygamous, i. 260; propor- 

 tion of the sexes in, i. 298, ii. 213; sexual 

 differences in, ii. 87, 38, 145; pugnacity 

 of male, ii. 38; modified primaries of 

 male, ii. 62 ; coloration of the sexes of 

 ii. 75; yoimg ot; ii. 211; nidification of 

 the, ii. 160; colors of female, ii. 160. 



