i. 370;

on the coloration of the species of _Anthocharis_, i. 393.

WAPITI, battles of, ii. 240; traces of horns in the female, ii. 245; attacking a man, ii. 253; crest of the male, ii. 282; sexual difference in the colour of the, ii. 289.

WARBLER, Hedge-, ii. 198; young of the, ii. 209.

WARBLERS, Superb, nidification of, ii. 169.

WARINESS, acquired by animals, i. 50.

WARINGTON, R., on the habits of the sticklebacks, ii. 2, 20; on the brilliant colours of the male stickleback during the breeding season, ii. 14.

WART-HOG, tusks and pads of the, ii. 265.

WATCHMAKERS, short-sighted, i. 118.

WATER-HEN, ii. 40.

WATERHOUSE, C. O., on blind beetles, i. 367; on difference of colour in the sexes of beetles, i. 367.

WATERHOUSE, G. R., on the voice of _Hylobates agilis_, ii. 332.

WATER-OUZEL, autumn song of the, ii. 54.

WATERTON, C., on the pairing of a Canada goose with a Bernicle gander,