810 



INDEX 



Breeding season, sexual characters 

 making their appearance in the, in 

 birds, 603-604. 



Brehm, on the effects of intoxicating 

 liquors on monkeys, 24; on the rec- 

 ognition of women by male Cyno- 

 cephali, 25; on the diversity of the 

 mental faculties of monkeys, 48 ; on 

 the habits of baboons, 16; on re- 

 venge taken by monkeys, 101; on 

 manifestations of maternal affection 

 by monkeys and baboons, 101; on 

 the instinctive dread of monkeys for 

 serpents, 102-103; on the use of 

 stones as missiles by baboons, 115; 

 on a baboon using a mat for shelter 

 from the sun, 117 ; on the signal- 

 cries of monkeys, 122; on sentinels 

 posted by monkeys, 138; on co-oper- 

 ation of animals, 139; on an eagle 

 attacking a young Cercopitheous, 

 139; on baboons in confinement 

 protecting one of their number from 

 punishment, 141; on the habits of 

 baboons when plundering, 143 ; on 

 polygamy in Cynocephalus and Ce- 

 bus, 287 ; on the numerical propor- 

 tion of the sexes in birds, 326; on 

 the love-dance of the black-cock, 

 472; on Palamedea cornuta, 475; 

 on the habits of the Black-grouse, 

 476; on sounds produced by birds 

 of paradise, 488 ; on assemblages of 

 grouse, 524; on the finding of new 

 mates by birds, 528 ; on the fighting 

 of wild boars, 669 ; on the habits of 

 Cynocephalus hamadryas, 760. 



Brent, Mr., on the courtship of fowls, 

 538. 



Breslau, numerical proportion of male 

 and female births in, 320. 



Bridgman, Laura, 123. 



Brimstone butterfly, 407 ; sexual differ- 

 ence of color in the, 412. 



British, ancient, tattooing practiced by, 

 739. 



Broca, Prof., on the occurrence of the 

 supra-condyloid foramen in the hu- 

 man humerus, 41; anthropomor- 

 phous apes more bipedal than 

 quadrupedal, 78; on the capacity 

 of Parisian skulls at different peri- 

 ods, 81 ; comparison of modem and 

 medieval skulls, 81; on tails of 

 quadrupeds, 85-86; on the influ- 

 ence of natural selection, 88; on 



hybridity in man, M7; on human 

 remains from Les Eyzies, 242; on 

 the cause of the difference between 

 Europeans and Hindus, 266. 



Brodie, Sir B., on the origin of the 

 moral sense in man, 135. 



Bronn, H. G-., on the copulation of in- 

 sects of distinct species, 362. 



Bronze period, men of, in Europe, 173. 



Brown, R., sentinels of seals generally 

 females, 138 ; on the battles of seals, 

 646; on the narwhal, 649; on the 

 occasional absence of the tusks in 

 the female walrus, 649 ; on the blad- 

 der-nose seal, 682; on the colors 

 of the sexes in Phoca Groenlandica, 

 691 ; on the appreciation of music 

 by seals, 732; on plants used as 

 love-philters, by North American 

 women, 743. 



Brown, Dr. Criehton, injury to infants 

 during parturition, 320. 



Brown-S^quard, Dr. , on the inheritance 

 of the effects of operations by guinea- 

 pigs, 87, 776. 



Bruce, on the use of the elephant's 

 tusks, 655. 



Brulerie, P. de la, on the habits of 

 Ateuchus cicatricosus, 393 ; on the 

 stridulation of Ateuchus, 400. 



Briinnich, on the pied ravens of the 

 Eeroe Islands, 547. 



Bryant, Dr., preference of tame pigeon 

 for wild mate, 540. 



, Gapt., on the courtship of Cal- 



lorhinus ursinus, 674. 



Bubas bison, thoracic projection of, 390. 



Bucephalus capensis, difference of the 

 sexes of, in color, 457. 



Buceros, nidiflcation and incubation of, 

 586. 



bicornis, sexual differences in the 



coloring of the casque, beak, and 

 mouth in, 549. 



oorrugatus, sexual differences in 



the beak of, 496. 



Buchner, L. , on the origin of man, 19 ; 

 on the use of the human foot as a 

 prehensile organ, 77; on the mode 

 of progression of the apes, 78; on 

 want of self-consoiousnesB, etc., in 

 savages, 118. 



Bucholz, Dr., quarrels of chajueleona, 

 463. 



Buckland, F., on the numerical propor- 

 tion of the sexes in rats, 326; on the 



