424 
DEER. 
INDEX. 
DISTRIBUTION. 
288 ; horns of a, in course of modi- 
iication, ii. 255. 
Deer, Axis, sexual difference in the 
colour of the, ii. 290. 
Deer, fallow, different coloured herds 
of, ii. 295. 
Deer, Mantchurian, ii. 303. 
Deer, Virginian, ii. 303; colour of 
the, not affected by castration, ii. 
288 ; colours of, ii. 289. 
Deerhound^ Scotch, greater size of 
the male, i. 293, ii. 260. 
Defensive oi*gans of mammals, ii. 
263. 
De Geer, C., on a female spider de- 
stroying a male, i. 339. 
Dekay, Dr., on the bladder-nose seal, 
ii. 278. 
Demerara, yellow fever in, i. 243. 
Dendrocygna, ii. 185. 
Dendrophila frontalis, young of, ii. 220. 
Denny, H., on the lice of domestic 
animals, i. 219. 
Dermestes murinus, stridulation of, i. 
379. 
Descent traced through the mother 
alone, ii. 359. 
Deserts, protective colouring of ani- 
mals inhabiting, ii. 224. 
Desmarest, on the absence of sub- 
orbital pits in Antilope subguitu- 
rosa, ii. 280 ; on the whiskers of 
Macacus, ii. 283 ; on the colour of 
the opossum, ii. 286 ; on the colours 
of the sexes of Mus minutus, ii. 286 ; 
on the colouring of the ocelot, ii. 
287 ; on the colours of seals, ii. 
287 ; on Autilope caama, ii. 289 ; 
on the colours of goats, ii. 290 ; on 
sexual difference of colour in Ateles 
marginatus, ii. 291 ; on the man- 
drill, ii. 293 ; on Macacus cynomol- 
gus, ii. 318. 
Desmoulins, on the number of species 
of man, i. 226 ; on the musk-deer, 
ii. 281. 
Desor, on the imitation of man by 
monkeys, i. 44. 
Despine, P., on criminals destitute 
of conscience, i. 92. 
Development, embryonic, of man, i. 
14, 16; correlated, ii. 130. 
Devil, not believed in by the Fue- 
gians, i. 67. 
Devil-crab, i. 332. 
Devonian, fossil insect from the, i. 
360. 
Dewlaps, of cattle and antelopes, ii. 
284. 
Diadema, sexual differences of colour- 
ing in the species of, i. 388. 
Diadema anomala, mimickry by the 
female of, i. 413. 
Diadema holina, i. 413. 
Diamond-beetles, bright colours of, 
i. 367. 
Diastema, occurrence of, in man, i. 
126. 
Diastylid.e, proportion of the sexes 
in, i. 315. 
Diodorus, on the absence of beard in 
the natives of Ceylon, ii. 321. 
Dicrurus, racket-shaped feathers in, 
ii. 73; nidification of, ii. 167. 
Dicrurus macrocercus, change of plu- 
mage in, ii. 179. 
Didelphis opossum, sexual difference 
in the colour of, ii. 286. 
Differences, comparative, between 
different species of birds of the same 
sex, ii. 192. 
Digits, supernumerary, more fre- 
quent in men than in women, i. 
276 ; supernumerary, inheritance 
of, i. 285 ; supernumerary, early de- 
velopment of, i. 292. 
Dimorphism in females of water- 
beetles, i. 343 ; in Neurothemis and 
Agrion, i. 363. 
Dipelicus Cantori, sexual differences 
of, i. 369. 
Diplopoda, prehensile limbs of the 
male, i. 340. 
Dipsas cynoJon, sexual difference in 
the colour of, ii. 29. 
Diptera, i. 348. 
Disease, generated by the contact of 
distinct peoples, i. 239. 
Diseases common to man and the 
lower animals, i. 1 1 ; difference of 
liability to, in different races of 
men, i. 216; new, effects of, upon 
savages, i. 238; sexually limited, 
i. 292. 
Display, coloration of Lepidoptera 
for, i. 395 ; of plumage by male 
birds, ii. 86, 96. 
Distribution, wide, of man, i. 137 ; 
