INDEX 



829 



Hectocotyle, 348. 



Hedge- warbler, 611, young of the, 

 621. 



Heel, small projeotion of, in the Ay- 

 mara Indians, 67. 



Eegt, M., on the development of the 

 spurs in peacocks, 310. 



Heliconidee, 403 ; mimicry of, by other 

 butterflie8,421. 



Heliopathes, stridulation peculiar to the 

 male, 398. 



Heliothrix auriculita, young of, 602- 

 603. 



Helix pomatia, example of individual 

 attachment in, 341. 



Hellins, J., proportions of sexes of Lepi- 

 doptera reared by, 334. 



Helmholtz, on pleasure derived from 

 harmonies, 129; on the vibration of 

 the auditory hairs of Crustacea, 132 ; 

 the physiology of harmony, 132-T33. 



Hemiptera, 369-370. 



Hemitragus, beardless in both sexes, 

 686. 



Hemsbach, M. von, on medial mamma 

 in man, 69, 



Hepburn, Mr., on the autumn song of 

 the water-ouzel, 480. 



Hepialus humuli, sexual difference of 

 color in the, 413. 



Herbs, poisonous, avoided by animals, 

 96. 



Hermaphroditism of embryos, 216. 



Herodias bubulcus, vernal moult of, 

 507. 



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

 fowl, 540, 542, 571. 



Heron, love-gestures of a, 492. 



Herons, decomposed feathers in, 498; 

 breeding plumage of, 505-506 ; young 

 of the, 620; sometimes dimorphic, 

 626 ; continued growth of crest and 

 plumes in the males of some, 626; 

 change of color in some, 638. 



Hesperomys cognatus, 731; account 

 of musical powers of, by Rev. S. 

 Loclswood, 731. 



Hetserina, proportion of the sexes in, 

 336; difference in the sexes of, 380. 



Heterocerus, stridulation of, 396. 



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

 kite, 471 ; on the recognition of dogs 

 and cats by ducks, 532 ; on the pair- 

 ing of a wild duck with a pintail 

 drake, 636; on the courtship of 



fowls, S3S-630; on the coupling of 

 pheasants with common hens, 642- 

 643. 



Hilgendorf, sounds produced by crus- 

 taceans, 361. 



Hindu, his horror of bretiking his caste, 

 165, 168. 



Hindus, locd difference of stature 

 among, 62; difference of, from Eu- 

 ropeans, 264-265 ; color of the beard 

 in, 719. 



Hij^archia Janim, 416; instability of 

 the ocellated spots of, 652. 



Hippocampus, development of, 218; 

 marsupial receptacles of the male, 

 460. 



minor, 268. 



Hippopotamus, nakedness of, 83. 



Hips, proportions of, in soldiers and 

 sailors, 54. 



Hodgson, 8hadworth, on the sense of 

 duty, 135. 



Hoffberg, on the horns of the reindeer, 

 650; on sexual preferences shown 

 by reindeer, 677. 



Hoffman, Prof., protective colors, 370; 

 fighting of frogs, 465. 



Hog-deer, 705. 



Hog, wart-, 671; river-, 671. 



Holland, Sir H., on the effects of nevr 

 diseases, 240. 



Holopterus armatus, wing-spurs o^ 

 476. 



Homologous structures, correlated va- 

 riation of, 67. 



Homoptera, 370; stridulation of the^ 

 taid Orthoptera, discussed, 378. 



Honduras, Quiscalus major in, 327. 



Honey-buzzard of India, variation in 

 the crest of, 647. 



Honey-suckers, moulting of the, 506; 

 Australian, nidification of, 686. 



Honor, law of, 164. 



Hooker, Dr., forbearance of elephant 

 to his keeper, 142; on the color of 

 the beard in man, 719. 



Hookham, Mr., on mental concepts in 

 animals, 117. 



Hoolock Gibbon, nose of, 202. 



Hoopoe, harsh cry of, 482; sounds 

 produced by the male, 487. 



Hornbill, African, inflation of the neck- 

 wattle of the male during courtship, 

 496. 



HornbiUs, sexual difference in the color 



