BARROW 



INDEX. 



BEDDOt. 



62S 



acquiring the songs of other birds, 

 370 ; on the muscles of the larynx 

 in song birds, 371 ; on the want of 

 the power of song by female birds, 

 450. 

 Barrow, on the widow-bird, 403. 

 Bartels, Dr., supernumerary mammae 



in men, 37. 

 Bartlett, A. D., period of hatching of 

 birds' eggs, 165 ; on the tragopan, 

 220 ; on the development of the 

 spurs in Crossoptilon curitum, 236 ; 

 on the fighting of the males of 

 Plectropterus gambensis, 364- ; on 

 the knot, 391 ; on display in male 

 birds, 394 ; on the display of plu- 

 mage by the male J'od/plectron, 

 396 ; on Crossoptilon auritnm and 

 Phasianus Wallkhii, 400 ; on the 

 habits of Lop'tophorvs, 420 ; on the 

 colour of the mouth in Buceros 

 bicornis, 426 ; on the incubation of 

 the cassowary, 478 ; on the Cape 

 Buffalo, 508 ; on the use of the 

 horns of antelopes, 509 ; on the 

 fighting of male wart-hogs, 520 ; 

 on Ammotrai/us tragelaphus, 531 ; 

 on the colours of Cercopithecs 

 ceplius, 537 ; ou the colours of the 

 faces of monkeys, 550 ; on the 

 naked surfaces of monkeys, 600. 

 Uurtram, on the courtship of the 



male alligator, 351. 

 Basque language, highly artificial, 91. 

 Bate, C. S., on the superior activity 

 of male Crustacea, 221 ; on the 

 proportions of the sexes in crabs, 

 255 ; on the chela? of Crustacea, 

 266 ; on the relative size of the 

 sexes in Crustacea, 268 ; on the 

 colours of Crustacea, 270. 

 Bateman, Dr., tendency to imitation 

 in certain diseased states, 72 ; ou 

 Aphasia, 88. 

 Bntes, H. W., on variation in the 

 form of the head of Amazonian 

 Indians, 28 ; on the proportion of 

 the sexes among Amazonian but- 

 terflies, 250 ; on sexual differences 

 in the wings of butterflies, 277 ; 

 on the field - cricket, 283 ; on 

 Pyrodes pulcherrimus, 294 ; on the 

 horns of Lamellicorn beetles, 295, 

 297; on the colours of Epicalkc, 

 ic., 309 ; on the coloration of 



tropical butterflies, 311 ; on the 

 variability of Papilio Sesostris ami 

 Childrenoe, 320 ; on male and fe- 

 male butterflies inhabiting different 

 stations, 321; on mimicry, 323; 

 on the caterpillar of a Sphinx, 325 • 

 on the vocal organs of the um- 

 brella-bird, 374 ; on the toucans, 

 492 ; on Brachyurus calvus, 550. 



Batokas, knocking out two upper in- 

 cisors, 575. 



Batraehia, 349 ; eagerness of male, 

 221. 



Bats, scent-glands, 529 : sexual dif- 

 ferences in the colour of, 534 •, fur 

 of male frugivorous, 534. 



Battle, law of, 144 ; among beetles. 

 299 ; among birds, 360 ; among 

 mammals, 500 et seq. ; in man, 

 561. 



Beak, sexual difference in the forms of 

 the, 359 ; in the colour of the, 383. 



Beaks, of birds, bright colours of, 491. 



Beard, development of, in man, 557 ; 

 analogy of the, in man and the 

 quadrumaua, 558 ; variation of the 

 development of the, in different 

 races of men, 559 ; estimation of, 

 among bearded nations, 581 ; pro- 

 bable origin of the, 602. 



, in monkeys, 150 ; of mammals, 



531. 



Beautiful, taste for the, in birds, 410 , 

 in the quadrumana, 540. 



Beauty, sense of, in animals, 92 ; ap- 

 preciation of, by birds, 413 ; in- 

 fluence of, 573, 576 ; variability of 

 the standard of, 596. 



Beavan, Lieut., on the development 

 of the horns in Ccrvus hldi, 234. 



Beaver, instinct and intelligence of 

 the, 67, 68 ; voice of the, 527 ; 

 castoreum of the, 529. 



Beavers, battles of male, 500. 



Bechstein, on female birds choosing 

 the best"" singers among the males, 

 368 ; on rivalry in song-birds, 369 ; 

 on the singing of female birds, 37o ; 

 on birds acquiring the songs of 

 other birds, 370; on pairing the 

 canary and siskin, 415; on a sub- 

 variety of the monk pigeon, 427 ; 

 on spurred hens, 449. 



Beddoe, Dr., on causes of difference id 

 stature, 31. 



