BRACHIOPODA. 
INDEX. 
BROWN. 
415 
Brachiopoda, i. 329. 
Brachycephalic structure, possible 
explanation of, i. 148. 
Brachyscelus, second pair of anten- 
nu3 in the male, i. 337. 
Brachyura, i. 332. 
Bmchyurus calvus, scarlet face of, ii. 
309. 
Brain, of man, agreement of the, 
with that of lower animals, i. 10 ; 
convolutions of, in the human 
foetus, i. 16 ; larger in some exist- 
ing mammals than in their tertiary 
prototypes, i. 51 ; relation of the 
development of the, to the progress 
•of language, i. 57 ; disease of the, 
affecting speech, i. 58 ; influence of 
development of mental faculties 
upon the size of the, i. 145 ; influ- 
ence of the development of, on the 
spinal column and skull, i. 146 ; 
difference in the convolutions of, in 
different races of men, i. 216. 
Brakenridge, Dr., on the influence 
of climate, i. 115. 
Braubach, Prof., on the quasi-reli- 
gious feeling of a dog towards his 
master, i. 68 ; on the self-restraint 
of dogs, i. 78. 
Brauer, F., on dimorphism in Neuro- 
themis, i. 363. 
Brazil, skulls found in caves of, i. 
218 ; population of, i. 225 ; com- 
pression of the nose by the natives 
of, ii. 352. 
Break between man and the apes, i. 
200 . 
Bream, proportion of the sexes in 
the, i. 308. 
Breeding, age of, in birds, ii. 214. 
Breeding season, sexual characters 
making their appearance in the, in 
birds, ii. 80. 
Brehm, on the effects of intoxicating 
liquors on monkeys, i. 12 ; on the 
recognition of women by male Cyno~ 
cephalic i. 13 ; on revenge taken by 
monkeys, i. 40 ; on manifestations 
of maternal affection by monkeys 
and baboons, i. 41 ; on the instinc- 
tive dread of monkeys for serpents, 
i. 42 ; on a baboon using a mat for 
shelter from the sun, i. 53 ; on the 
use of stones as missiles by baboons, 
i. 51 ; on the signal-cries of mon- 
keys, i. 57 ; on sentinels posted by 
monkeys, i. 74 ; on co-operation of 
animals, i. 75; on an eagle attack- 
ing a young Gercopithecus, i. 76 ; on 
baboons in confinement protecting 
one of their number from punish- 
ment, i. 78; on the habits of ba- 
boons when plundering, i. 79; on 
the diversity of the mental faculties 
of monkeys, i. 110; on the habits 
of baboons, i. 141 ; on polygamy 
in C ynocephalus and Cehus^ i. 266 ; 
on the numerical proportion of the 
sexes in birds, i. 306 ; on the love- 
dance of the Black-cock, ii. 45 ; on 
Palamedea cornuta, ii. 48 ; on the 
habits of the Black-grouse, ii. 49 ; 
on sound produced by Birds of 
Paradise, ii. 63 ; on assemblages of 
grouse, ii. 101 ; on the finding of 
new mates by birds, ii. 106 ; on 
the fighting of wild boars, ii. 263 ; 
on the habits of Cynocephalus 
hamadryas^ ii. 362. 
Brent, Mr., on the courtship of 
fowls, ii. 117. 
Breslau, numerical proportion of 
male and female births in, i. 301. 
Bridgman, Laura, i. 57. 
Brimstone butterfly, i. 393 ; sexual 
difference of colour in the, i. 409. 
British, ancient, tattooinsf practised 
by, ii. 339. 
Broca, Prof., on the occurrence of 
the supra-condyloid foramen in the 
human humerus, i. 28 ; on the 
capacity of Parisian skulls at diffe- 
rent periods, i. 146 ; on the influence 
of natural selection, i. 152 ; on 
hybridity in man, i. 220 ; on human 
remains from Les Eyzies, i. 237 ; 
on the cause of the difference be- 
tween Europeans and Hindoos, i. 
240. 
Brodie, Sir B., on the origin of the 
moral sense in man, i. 71. 
Bronn, H. G., on the copulation of 
insects of distinct species, i. 342. 
Bronze period, men of, in Europe, i. 
160. 
Brown, R., sentinels of seals generally 
females, i. 74; on the battles of 
seals, ii. 240; on the narwhal, iu 
