INDEX. 



649 



Heinsbachf M, von, on medial mamma 

 in man, 87. 



Hepburn, Mr., on the autumn song of 

 the water-ouzel, 370. 



Hepialtis /m/n«K, sexual difference of 

 colour in the, 316. 



Herbs, poisonous, avoided by animals, 

 66. 



Hermaphroditism of embryos, 161. 



Herodias Imbulcus, vernal moult of, 

 393. 



Heron, Sir E., on the habits of pea- 

 fowl, 4-18, 419, 443. 



love-gestures of a, 380 



Herons, decomposed feathers in, 385 ; 

 breeding plumage of, 391, 392 ; 

 young of the, 481 ; sometimes 

 dimorphic, 484 ; continued growth 

 of crest and plumes in the males of 

 some, 485 ; change of colour in 

 some, 494. 



Hesperomys cognatus, 568. 



Iletasrina^ proportion of the sexes in, 

 254; difference in the sexes of, 

 290. 



Heterocerus, stridulation of, 302. 



Hewitt, Mr., on a game-cock killing 

 a kite, 363 ; on the recognition of 

 dogs and cats by ducks, 412 ; on 

 the pairing of a wild duck with a 

 pintail drake, 415; on the court- 

 ship of fowls, 417 ; on the coupling 

 of pheasants with common hens, 

 420. 



Hilgendorf, sounds produced by crus- 

 taceans, 274. 



Hindoo, his horror of breaking his 

 caste, 122, 124. 



Hindoos, local difference of stature 

 among, 31 ; difference of, from 

 Europeans, 192 ; colour of the 

 beard in, 558. 



Hipparchia Janira, 319; instability 

 of the occUated spots of, 428. 



Bipporampas, development of, 163 ; 

 marsupial receptacles of the male, 

 346. 



minor, 202. 



Hippopotamus, nakedness of, 56. 



Hips, proportions of, in soldiers and 

 sailors, 32. 



Hodgson, S., on the sense of duty, 97. 



Hoffberg, on the horns of the rein- 

 deer, 503 ; on sexual preferences 

 Bhoirn by reindeer, 525. 



Hoffman, Prof., protective colours, 

 281 ; fighting of frogs, 350. 



Hog-deer, 546 



Hog, wart-, 519 ; river-, 520. 



Holland, Sir H., on the effects of new 

 diseases, 182. 



Homologous structures, correlated 

 variation of, 43. 



Homoptera, 281 ; stridulation of the, 

 and Orthoptera, discussed, 288. 



Honduras, Quiscalus major in, 248. 



Honey-buzzard of India, variation in 

 the crest of, 424. 



Honey-suckers, moulting of tlie, 392 ; 

 Australian, nidlBcation of, 464. 



Honour, law of, 121. 



Hooker, Dr., forbearance of elephant 

 to his keeper, 104 ; on the colour 

 of the beard in man, 558. 



Hookham, Mr., on mental concepts in 

 animals, 83. 



Hoolock Gibbon, nose of, 150. 



Hoopoe, 371 ; sounds produced by the 

 male, 376. 



Hoplopterus armatus, wing-spurs of, 

 366. 



Hornbill, African, mflation of the 

 neck-wattle of the male during 

 courtship, 383. 



Hornbills, sexual difference in the 

 colour of the eyes iu, 425; nidifi- 

 cation and incubation of, 454. 



Home, C, on the rejection of a 

 brightly-coloured locust by lizards 

 and birds, 289. 



Horns, sexual differences of, in sheep 

 and goats, 230; loss of, in female 

 merino sheep, 231 ; development 

 of, in deer, 233 ; development of, 

 in antelopes, 234 ; from the head 

 and thorax, in male beetles, 297 ; 

 of deer, 50.3, 506, 515 ; and canine 

 teeth, inverse development of, 

 514. 



.Horse, fossil, extinctioii of the, in 

 South America, 191 ; polygamous, 

 217; canine teeth of male, 502; 

 winter change of colour, 542. 



Horses, rapid increase of, in South 

 America, 47 ; diminution of canine 

 teeth in, 53 ; dreaming, 74 ; of 

 the Falkland Islands and Pam- 

 pas, 181 ; numerical proportion o( 

 the sexes in, 215, 216 ; lighter in 

 winter in Liberia, 229 ; sexual 



