794 INDEX. 



on protective coloration in birds, 556; on the Babirusa, 692; on the 

 markings of the tiger, 622; on the beards of the Papuans, 639; on 

 the hair of the Papuans, 656; on the distribution of hair on the 

 human body, 685. 



Walrus, 'development of the nictitating membrane in the, 19; 

 tusks of the, 572, 578; use of the tusks by the, 585. 



Walsh, B. D., on the proportion of the sexes in Papilio Turnus, 

 283; on the Cynipidse and Cecidomyidse, 286; on the jaws of Am- 

 mophila, 312; on Corydalis cornutus, 312; on the prehensile organs 

 of male insects, 312; on the antennae of Penthe, 313; on the caudal 

 appendages of dragon Hies, 313; on Platyphyllum concavum, 324; on 

 the sexes of the Epherneridse, 328; on the difference of color in the 

 sexes of Spectrum femoratum, 328; on sexes of dragon flies, 328; on 

 the difference of the sexes in the Ichneumonidse, 331; on the sexes 

 of Orsodacna atra, 333; on the variation of the horns of the male 

 Phanceas carnifex, 336; on the coloration of the species of Antho- 

 charis, 354. 



Wapiti, battles of, 571 ; traces of horns in the female, 574; attack- 

 ing a man, 582; crest of the male, 606; sexual difference in the color 

 of the, 612. 



Warbler, hedge, 539; young of the, 548. 



Warblers, superb, nidification of, 517. 



Wariness, acquired by animals, 91. 



Warington, R., on the habits of the stickleback, 876, 891; on the 

 brilliant colors of the male stickleback during the breeding- 



Wart-hog, tusks and pads of the, 593. 



Watchmakers, short-sighted, 37. 



Water-hen, 409. 



Waterhouse, C. O., on blind beetles, 333; on difference of color in 

 the sexes of beetles, 333. 



Waterhouse, G. R., on the voice of Hylobates agilis, 647. 



Water-ouzel, 518; autumn song of the, 420. 



Waterton, C., on the Bell-bird, 441; on the pairing of a Canada 

 goose with a Bernicle gander, 471 ; on hares fighting, 570. 



Wattles, disadvantageous to male birds in fighting, 458. 



Weale, J. Mansel, on a South African caterpillar, 869, 



Wealth, influence of, 152. 



Weapons, used by man, 54; employed by monkeys, 91; offensive, 

 of males, 238; of mammals, 571; et seq. 



Weaver-bird, 420. 



Weaver-birds, rattling of the wings of, 426; assemblies of, 460. 



Webb, Dr., on the wisdom teeth, 22. 



Wedderburn, Mr., assembly of black game, 462. 



Wedgwood, Hensleigh, on the origin of language, 98. 



Weevils, sexual difference in length of snout in some, 235. 



Weir, Harrison, on the numerical proportion of the sexes in pigs 

 and rabbits, 279; on the sexes of young pigeons, 280; on the songs of 

 birds, 418; on pigeons, 467; on the dislike of blue pigeons to other 

 colored varieties, 474; on the desertion of their mates by female 

 pigeons, 475. 



Weir, J. Jenner, on the nightingale and blackcap, 240; on the 

 relative sexual maturity of male birds, 241; on female pigeons 



