INDEX. 



619 



Balrd, W., on a difference in 

 color between the males and fe- 

 males of some Entozoa, 257. 



Baker, Mr., observation on the 

 proportion of the sexes in 

 pheasant-chicks, 242. 



, Sir S., on the fondness of 



the Arabs for discordant music, 

 375; on sexual difference in the 

 colors of an antelope, 531; on 

 the elephant and rhinoceros at- 

 tacking white or gray horses, 

 535; on the disfigurements prac- 

 ticed by the negroes, B36; on 

 the gashing of the cheeks and 

 temples practiced in Arab coun- 

 tries, 569; on the coiffure of the 

 North Africans, 569; on the per- 

 foration of the lower lip by 

 the women of Latooka, 570; on 

 the distinctive characters of 

 the coiffure of central African 

 tribes, 671; on the coiffure of 

 Arab women, 578. 



"Balz" of the Black-cock, 359, 400. 



Bantam, Sebright, 207, 233. 



Banteng, horns of, 501; sexual 

 differences in the colors of the, 

 531. 



Banyai, color of the, 573. 



Barbarism, primitive, of civilized 

 nations, 140. 



Barbs, filamentous, of the feath- 

 ers, in certain birds, 380, 424. 



Barrago, P., on the Simian re- 

 semblances of man, 2. 



Barr, Mr., on sexual preference 

 in dogs, 520. 



Barrington, Daines, on the lan- 

 guage of birds, 84; on the cluck- 

 ing of the hen, 363; on the ob- 

 ject of the song of birds, 364; 

 on the singing of female birds, 

 365; on birds acquiring the 

 songs of other birds, 365; on the 

 muscles of the larynx in song 

 birds, 366; on the want of the 

 power of song by female birds, 

 444. 



Barrow, on the widow-bird, 387. 



Bartels, Dr., supernumerary 

 mammse in men, 36. 



Bartlett, A. D., period of hatch- 

 ing of birds' eggs, 161; on the 

 tragopan, 215; on the develop- 

 ment of the spurs in Crossop- 

 tilon auritum-, 230; on the fight- 

 ing of the males of Plectrcpter- 

 us gambensis, 360; on the knot, 

 386: on display in male birds, 

 389; on the display of plumage 

 by the male Polyplectron, S91; 

 on Crossoptilon auritum and 

 Phasianus Wallichii, 395; on the 

 habits of "Lophophorus, 414; on 

 the color of the mouth in Bucer- 

 os bicornis, 420; on the incuba- 

 tion of the cassowary, 472; on 

 the Cape buffalo, 504; on the 

 use of the horns of antelopes, 



505; on the fighting of male 

 wart-hogs, 516; on Ammotragus 

 tragelaphus, 526; on the colors of 

 Cercopithecus cephus, 532; on 

 the colors of the faces of 

 monkeys, 546; on the naked sur- 

 faces of monkeys, 595. 



Bartram, on the courtship of the 

 male alligator, 347. 



Basque language, highly artifi- 

 cial, 88. 



Bate, C. S., on the superior activ- 

 ity of male Crustacea, 217: on the 

 proportions of the sexes in 

 crabs, 252; on the chelae of 

 Crustacea, 263; on the relative 

 size of the sexes in Crustacea, 

 265; on the colors of cnistacea, 

 267. 



Eateman, Dr., tendency to imita- 

 tion in certain diseased states, 

 71; on Aphasia, 86. 



Bates, H. W., on variation in the 

 form of the head of Amazonian 

 Indians, 27; on the proportion of 

 the sexes among Amazonian 

 butterflies, 246; on sexual differ- 

 ences in the wings of butterflies, 

 274; on the fleld-cricket, 280; on 

 Pyrodes pulcherrimus, 291; on 

 the horns of Lamellicorn bee- 

 tles, 293, 294; on the colors of 

 EpicalisB, &c., 306; on the color- 

 ation of tropical butterflies, 308; 

 on the variability of Papilio Se- 

 sostris and Childrenaa, 316; on 

 male and female butterflies in- 

 habiting different stations, 317; 

 on mimicry, 319; on the cater- 

 pillar of a Sphinx, 321; on the 

 vocal organs of the umbrella- 

 bird, 368; on the toucans, 487; on 

 Brachyurus calvus, 546. 



Batokas, knocking out two upper 

 incisors, 569. 



Batrachia, 345; eagerness of male, 

 216. 



Bats, scent-glands, 524; sexual dif- 

 ferences In the color of, 529; fur 

 of male frugivorous, 529. 



Battle, law of, 141; among bee- 

 tles, 296; among birds, 356; 

 among mammals, 496 et seq. ; in 

 man, 556. 



Beak, sexual difference in the 

 forms of the, 355; in the color of 

 the, 377. 



Beaks, of birds, bright colors of, 

 487. 



Beard, development of, in man, 

 552; analogy of the, in man and 

 the quadrumana, 553; variation 

 of the development of the, in 

 different races of men, 554; es- 

 timation of, among bearded na- 

 tions, 575; probable origin of the, 

 597. 



, in monkeys, 146; of mam- 

 mals, 526. 



