394 



INDEX. 



in ITylobates Twolock, ii. 277; on the 

 hog-deer, ii. 2S9 ; on the beard and whis- 

 kers in the monkey becoming white 

 with age. ii. 304. 



Boar, wild, polygamous in India, i. 259 ; 

 use of the tusks by the, ii. 245 ; fighting 

 of. ii. 251. 



Boitaed and Corbie, MM., on the trans- 

 mission of sexual peculiarities in pigeons, 

 i. 274 ; on the antipathy shown by some 

 female pigeons to certain males, ii. 114. 



Bold. Mr., on the singing of a sterile hy- 

 brid canary, ii. 50. 



Bombet, on the variability of the standard 

 of beauty in Europe, ii. 354. 



Bombvs, difference of the sexes in, i. 355. 



Bombycid^, coloration of, i. 3S2; pairing 

 of the, i. 388. 



Bombifcilla Carolinensis, red appendages 

 of, ii. 171. 



Bombyx cynthia, i. 336; proportion of the 

 sexes in, i. 300, 304; pairing of, i. 3SS. 



Bombyx mori, difference of size of the ■ 

 male and female cocoons of, i. 335 ; pair- 

 ing of, i. 3S8. 



Bombyx Pernyi, proportion of sexes of, i. 

 304. 



Bombyx Yamamai, i. 336 ; M. Personnat 

 on, i. 301 ; proportion of sexes of, i. 304. 



Bonaparte, C. L., on the call-notes of the 

 wild-turkey, ii. 58. 



Bond, F., on the finding ,of new mates by 

 crows, ii. 100. 



Bone, implements of, skill displayed in 

 making, i. 133. 



Boner, C., on the transfer of male charac- 

 ters to an old female chamois, ii. 234 ; on 

 the antlers of the red deer, ii. 241 ; on the 

 habits of stags, ii. 248 ; on the pairing of 

 red deer, ii. 256. 



Bones, increase of, in length and thick- 

 ness, when carrying a greater weight, i. 

 112. 



Bonnet, monkey, i. 185. 



Boomerang, i. 176. 



Boreus hyemalis, scarcity of the male, i. 

 306. 



Bory St. Vincent, on the number of species 

 of man, i. 218 ; on the colors of Labrus 

 pavo, ii. 15. 



Bos gaurus, horns of, ii. 236. 



Bos primigenius, ii. 329. 



Bos sondaicus, horns of, ii. 236 ; colors of, 

 ii. 275. 



Botocudos, i. 174; mode of life of, i. 237; 

 disfigurement of the ears and lower lip 

 of the, ii. 325. 



Boucher de Perthes, J. C. de, on the an- 

 tiquity of man, i. 3. 



Bourbon, proportion of the sexes in a 

 species of Papilio from, i. 301. 



Bourien, on the marriage-customs of the 

 savages of the Malay Archipelago, ii. 



or.T 



DIM. 



Boyid^e, dewlaps of, ii. 270. 

 Bower-birds, ii. 98 ; habits of the, ii. 66 ; 



ornamented playing-places of, i. 61, ii. 



108. 



Bows, use of, i. 224. 



Brachiopoda, i. 315. 



Brachycepjialic structure, possible ex- 

 planation of, i. 142. 



Brachyscelus, second pair of antenna? in 

 the male, i. 327. 



Beachyura, i. 323. 



Brachyurus calvus, scarlet face of, ii. 295. 



Brain, of man, agreement of the, with that 

 of lower animals, i. 10 ; convolutions of) 

 in the human foetus, i. 16; larger in 

 iome existing mammals than in their 

 tertiary prototypes, i. 49 ; relation of the 

 development of the, to the progress of 

 language, i. 55 ; disease of the, affecting 



■ speech, i. 56; influence of development 

 of mental faculties* upon the size of the, 

 i. 140 ; influence of the development of, 

 on the spinal column and skull, i. 141 ; 

 difference in the convolutions of, in dif- 

 ferent races of men, i. 208. 



Brakenridge, Dr., on the influence of 

 climate, i. 111. 



Braubach, Prof., on the quasi-religious 

 feeling of a dog toward his master, i. 66; 

 on the self-restraint of dogs, i. 75. 



Brauer, F., on dimorphism in Neurothe- 

 mis, i. 352. 



Brazil, skulls found in caves of, i. 210; 

 population of, i. 216 ; compression of the 

 nose by the natives of, ii. 335. 



Break between man and the apes, i. 192. 



Bream, proportion of the sexes in the, i. 

 299. 



Breeding, age of, in birds, ii. 205. 



Breeding season, sexual characters mak- 

 ing then appearance in the, in birds, ii. 

 78. 



Breitm, on the effects of intoxicating liq- 

 uors on monkeys, i. 12 ; on the recogni- 

 tion of women by male Cynocephali, i. 

 13 ; on revenge taken by monkeys, i. 39 ; 

 on manifestations of maternal affection 

 by monkeys and baboons, i. 39 ; on the 

 instinctive dread of monkeys for ser- 

 pents, i. 41 ; on a baboon using a mat for 

 shelter from the sun, i. 51 ; on the use of 

 stones as missiles by baboons, i. 50 ; on 

 the signal-cries of monkeys, i. 55; on 

 sentinels posted by monkeys, i. 71 ; on 

 cooperation of animals, i. 72; on an 

 eagle attacking a young Cercopithecus, 

 i. 73 ; on baboons in confinement pro- 

 tecting one of their number from pun- 

 ishment, i. 75; on the habits of baboons 

 when plundering, i. 75; on the diversity 

 of the mental faculties of monkeys, i. 

 106; on the habits of baboons, i. 136; on 

 polygamy in Cynocephalus and Cebus; 

 i. 25S; on the numerical proportion of 

 the sexes in birds, i. 297 ; on the love 

 dance of the Black-cock, ii. 43; on Pala- 

 medea comutti, ii. 45 ; on the habits 

 of the Black-grouse, ii. 46; on sound 

 produced by Birds of Paradise, ii. 60: on 

 assemblages of grouse, ii. 97; on the 

 finding of new mates by birds, ii. 102; 

 on the fighting of wild-boars, ii. 251 ; on 



