394 



INDEX. 



In TTijlohate* hoolocl; W. 277 ; on the 

 • hojf-deer, ii. i^O; on tlio beard and wlils- 

 kors in the monkey bcconiinp white 

 \\\Cx a>re, II. 304. 



Boar, wild, polytramous In Indi.i, 1. 2.'>9; 

 use of the tusks by the, Ii. 24>') : flghtlnp 

 of, Ii. 2M. 



BoiTARD and Corbi6, MM., on the trans- 

 iiii.s.Hion of Re.vual pooulinrities in pipcons, 

 I. 274 ; on the antipathy shown by some 

 female plfjeons to certain males, Ii. 114. 



Boi.n. Mr., on the singing of a sterile hy- 

 brid canary, ii. .'30. 



BoMnET, on "the variability of the standard 

 of beauty in Kurope. 11.854. 



Jioni/»ui, <liffercnce of the se.xes In, I. S.'i.'i. 



BoMiiYciu.t. coloration of; L 382; pairing 

 of the, I. 38S. 



Bomhj/cilla Carolmetm«, red appendages 

 of ii. 171. 



Bomhifr cijnfhia. I. ."Wfi; proportion of the 

 sexes in," i. Mill). R1I4; pairing of, I. .SSS. 



Bomhifx inori, (li!)erince of size of the 

 male and female cocoons of; I. 335; pair- 

 ing ot i. 388. 



Bomhyor Pemyi, proportion of sexes of, I. 

 804. 



Bomhyx Yamomni.\.^fi\ M. Personn.at 

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



Bonaparte, f. 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. l.SS. 



Boner, 0., on the transfer of male charac- 

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

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

 habits of stTgs. ii. 248 ; on the pairing of 

 red deer, ii. 2.^6. 



Bones, lnerea,se of. In length and thick- 

 ness, when carrying a greater weight, I. 



Bonnet, monkey, I. 185. 



BoOMERANO, i. 176. 



Boreiw fiyemalU, scarcity of the male, 1. 



306. 

 BoRV St. Vincent, on the number of species 



of man, I. 218; on the colors of Labfus 



paro, ii. 15. 

 BoK (/niirujt, horns of, Ii. 236. 

 Bon primineniim, ii. 229. 

 Bom Moni/aicHS, horns of; il. 2-36; colors of, 



ii. 27.'). 

 BoTocunoR. I. 174; mode of life of. 1. 237; 



disfigurement of the ears and lower lip 



of the. ii. .325. 

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

 tiquity of man, 1. 3. 

 Bourbon, proportion of the sexes In a 



species of^ Pupil io from, i. 301. 

 BouRiKN, on the marriage-customs of the 



savages of the Malay Archipelago, ii. 



357. 

 Bovip.E. dewlaps of, il. 270. 

 BowEK-niui>8, ii. 98; habits of the, II. CO; 



ornamented plaving-places of; 1. 61, il. 



108. 



Bows, nse of. I. 224. 



BnArmoi'ODA. I. 315. 



BRAnivrEPiiAi.ir structure, possible ex- 

 planation of, I. 142. 



Briich i/Hcehix, second pair of antennte In 

 the male, i. 327. 



BRAnivfRA, I. 328. 



Bracln/uru-H ciilru*, scarlet fhce o£ il. 295. 



Brain, of man, agreement of the. with that 

 of lower animals, 1. 10; convolutions o£ 

 In the human fietus, I. 16; larger in 

 some existing mammals than In their 

 tertiary prototypes, I. 49; relation of the 

 development of the, to the progress of 

 language, 1. ."JS; disea.se of tlie, affecting 

 speech. I. 56; Influence of development 

 of ment-il faculties upon the size of the, 

 1. 140; Influence of the development ol, 

 on the spinal column and skull, I. 141 ; 

 dilTerencc In the convolutions of; in dif- 

 ferent races of men, i. 208. 



Brakenriixje. Dr., on the Influence of 

 climate, i. 111. 



BRAUBAcn, Prof, on the quasi-religious 

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

 on the self-restraint of dogs. I. 7.5. 



Beauer, F., on diinoriihism in Xeuroth«- 

 min. I. .3.52. 



Brazil, skulls found In caves of 1. 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, 1. 

 299. 



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



Breeding sea.son. .sexual characters mak- 

 ing their appearance in the, In birds, II. 

 78. 



BREint, on the effects of intoxicating liq- 

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

 tion of women by male Cynoi-ephali. I. 

 13 ; on revenge taken by monkeys, 1. .39 ; 

 on manifestations of maternal afft-ction 

 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 fW)m the sun. 1. 51 ; on the use of 

 sttmes as missiles by baboons, 1. 50 ; on 

 the signal-eries of "monkeys, i. 55; on 

 sentinels posted by monkeys, I. 71 ; on 

 coiiperation of animals, i. " 72 ; on an 

 eagle attiicking a young Cercopithecun, 

 i. 73; on baboons in confinement pro- 

 tecting one of their numtHT from pun- 

 ishment, I. 75; on the habits of baboons 

 when i>lundering, I. 75; on the diversity 

 of the mental faculties of monkevs. i. 

 106; on the habits of baboons, I. 13i); on 

 polvgamy in Cyii(ici/>fi(i/iiM and ty/ms 

 1. 2b8; on the numerical proportion ol^ 

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

 dance of the Black -cwk, Ii. Hi; on Pala- 

 medea connita, 11. 45; on the habits 

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

 pixMluced by Hirds of Paradise, ii. 60; on 

 assembl.iges of grouse, 11. 97; on the 

 finding of new mates by bird.s, Ii. 102; 

 on the fighting of wild-boars, Ii. 261 ; on 



