ARGYLL. 
INDEX. 
AUSTRALIANS. 
409 
Argyll, Duke of, the fashioning of 
implements peculiar to man, i. 52 ; 
on the contest in man between 
right and wrong, i. 104 ; on the 
jDhysical weakness of man, i. 156 ; 
on the primitive civilisation of man, 
i. 181 ; on the plumage of the male 
Argus pheasant, ii. 91 ; on Urosticte 
Benjamini, ii. 151 ; on the nests of 
birds, ii. 167 ; on variety as an 
object in nature, ii. 230. 
.Argynnis aglaia, colouring of the 
lower surface of, i. 396. 
Aricoris epitus, sexual differences in 
the Avings of, i. 345. 
Aristocracy, increased beauty of 
the, ii. 356. 
Arms, proportions of, in soldiers and 
sailors, i. 116; direction of the 
hair on the, i. 192. 
Arms and hands, free use of, indi- 
rectly correlated with diminution 
of canines, i. 144. 
Arrest of development, i. 121, 122. 
Arrow-heads, stone, general resem- 
blance of, i. 233. 
Arrows, use of, i. 232. 
Arteries, variations in the course of 
the, i. 108. 
Artery, effect of tying, upon the 
lateral channels, i. 116. 
Arthropoda, i. 328. 
Arts practised by savages, i. 234. 
Ascension, coloured incrustation on 
the rocks of, i. 326. 
Ascidia, affinity of the lancelet to, 
i. 205 ; tadpole-like larvae of, i. 
205. 
Ascidians, i. 324 ; bright colours of 
some, i. 322. 
Asinus, Asiatic and African species 
of, ii. 306. 
.Asimis tseniopus, ii. 306. 
Ass, colour-variations of the, ii. 305. 
Ateles, effects of brandy on an, i. 12 ; 
absence of the thumb in, i. 140. 
Ateles heelzebutli, ears of, i. 23. 
Aides marginatus, colour of the ruff 
of, ii. 291 ; hair on the head of, ii. 
109 ; on the recognition of a dog 
by a turkey, ii. 110 ; on the selec- 
tion of a mate by female birds, ii. 
307. 
Ateuchus, stridulation of, i. 384. 
Ateuchus cicatricosus, habits of, i. 376. 
Athalia, proportions of the sexes in, i. 
314. 
Attention, manifestations of, in ani- 
mals, i. 44. 
Audouin, V., on a hymenopterous 
parasite with a sedentary male, i. 
273. 
Audubon, J. J., on the pugnacity of 
male birds, ii. 43, 48 ; on Tetmo 
cupido^ ii. 50 ; on Ardea nycticorax, 
ii. 51 ; on Sturnella ludoviciana^ ii. 
51 ; on the vocal organs of Tetrao 
cupido, ii. 56 ; on the drumming of 
the male letrao umbelluSy ii. 61 ; 
on sounds produced by the nightjar, 
ii. 63 ; on Ardea herodias and Gath-- 
artes jota, ii. 68 ; on the spring 
change of colour in some finches, 
ii. 86; on Mimus polyglottus^ ii. 
116 ; on the turkey, ii. 119, 121 ; 
on variation in the male scarlet 
tanager, ii. 126 ; on the habits of 
Pyranga sestiva, ii. 167 ; on local 
differences in the nests of the same 
species of birds, ii. 171; on the 
habits of woodpeckers, ii. 175; on 
Bombycilla carolinensis, ii. 180 ; on 
young females of Tanagra sestiva 
acquiring male characters, ii. 180 ; 
on the immature plumage of 
thrushes, ii. 185 ; on the in^mature 
plumage of birds, ii. 186 et seq, ; 
on birds breeding in immature 
plumage, ii. 214 ; on the growth 
of the crest and plumes in the 
male Ardea ludoviciana, ii. 216 ; on 
the change of colour in some spe- 
cies of Ardea, ii. 231 ; on the specu- 
lum of Mergus cucullatus, ii. 291 ; 
on the musk-rat, ii. 298. 
Audubon and Bachman, MM., on 
squirrels fighting, ii. 239 ; on the 
Canadian lynx, ii. 267. 
Austen, N. L., on Anolis cristateUus, 
ii. 32, 33. 
Australia, half-castes killed by the 
natives of, i. 220 ; lice of the na- 
tives of, i. 220 ; not the birthplace 
of man, i. 199 ; prevalence of fe- 
male infanticide in, ii. 364. 
Australia, South, variation in the 
skulls of aborigines of, i. 108. 
Australians, colour of newborn 
