SPECTRE. 
INDEX. 
STAUDINGER. 
465 
Spectre-insects, mimickry of leaves 
by, i. 414. 
Spectrum femoratum , difference of 
colour in the sexes of, i. 361. 
Speech, connection between the brain 
and the faculty of, i. 58. 
“ Spkl ” of the black-cock, ii. 60. 
Spencer, Herbert, on the dawn of 
intelligence, i. 37 ; on the origin of 
the belief in spiritual agencies, i. 
66 ; on the origin of the moral 
sense, i. 101 ; on the influence of 
food on the size of the jaws, i. 118 ; 
on the ratio between individuation 
and genesis, i. 318 ; on music, ii. 
336. 
Sperm-whales, battles of male, ii. 
240. 
Sphingidas, coloration of the, i. 396. 
Sphinx, Humming-bird, i. 399. 
Sphinx , Mr. Bates on the caterpillar 
of a, i. 416. 
Spiders, i. 337 ; male, more active 
than female, i, 272 ; proportion of 
the sexes in i. 314; male, small 
size of, i. 338. 
Spilosoma 7nenthmsti, rejected by 
turkeys, i. 398. 
Spine, alteration of, to suit the erect 
attitude of man, i. 143. 
Spirits, fondness of monkeys for, i. 12. 
Spiritual agencies, belief in, almost 
universal, i. 65. 
Spoonbill, ii. 60 ; Chinese, change 
of plumage in, ii. 179. 
Spots, retained throughout groups of 
birds, ii 131 ; disappearance of, in 
adult mammals, ii. 303. 
Sprengel, C. K., on the sexuality of ! 
plants, i. 260. 
Spring-boc, horns of the, ii. 251. 
Sproat, Mr., on the extinction of 
savages in Vancouver Island, i. 
239 ; on the eradication of facial 
hair by the natives of Vancouver 
Island, ii. 348; on the eradication 
of the beard by the Indians of Van- 
couver Island, ii. 380. 
Spurs, occurrence of, in female fowls, 
i. 280, 284; development of, in 
various species of Phasianidas, i. 
290 ; of Gallinaceous birds, ii. 44, 
46 ; development of, in female Gal- 
linaceas, ii. 162. 
VOL. II. 
Squilla , different colours of the sexes 
of a species of, i. 335. 
Squirrels, battles of male, ii. 239 ; 
African, sexual differences in the 
colouring of, ii. 286 ; black, ii. 294. 
Stag, long hairs of the throat of, ii. 
268; horns of the, i. 279, 282; 
battles of, ii. 240; horus of the, 
with numerous branches, ii. 252 ; 
bellowing of the, ii. 274; crest of 
the, ii. 282. 
Stag-beetle, large size of male, i. 
347 ; weapons of the male, i. 375; 
numerical proportion of sexes of, i. 
313. 
Stainton, H, T., on the numerical 
proportion of the sexes in the 
smaller moths, i. 310; habits of 
JJlachista rufocinerea , i. 311 ; on 
the coloration of moths, i. 397 ; 
on the rejection of Spilosoma men- 
thrasti, by turkeys, i. 398 ; on 
the sexes of Agt'otis exdamationis , 
i. 399. 
Stallion, mane of the, ii. 268. 
Stallions, two, attacking a third, i. 
75 ; fighting, ii. 241 ; small canine 
teeth of, ii. 258. 
Stansburv, Capt., observations on 
pelicans, i. 77. 
Stapiiylinid^e, hornlike processes in 
male, i. 374. 
Starfishes, bright colours of some, 
i. 322. 
Stark, Dr., on the death-rate in 
towns and rural districts, i. 175 ; 
on the influence of marriage on 
mortality, i. 176; on the higher 
mortality of males in Scotland, i. 
302. 
Starling, American field, pugnacity 
of male, ii. 51. 
Starling, red-winged, selection of a 
mate by the female, ii. 1 1 6. 
Starlings, three, frequenting the 
same nest, i. 269, ii. 106 ; new 
mates found by, ii. 105. 
Statues, Greek, Egyptian, Assyrian, 
&e., contrasted, ii. 350. 
Stature, dependence of, upon local 
influences, i. 114. 
Staudinger, Dr., his list of Lepido- 
ptera, i. 312 ; on breeding Lepido- 
ptera, i. 311. 
2 H 
