Page:Descent of Man 1875.djvu/8

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Table of the Principal Additions and
Vol. I.

Page Page
149 57 Belt on advantages to man from his hairlessness.
150 58–9 Disappearance of the tail in man and certain monkeys.
169 134–5 Injurious forms of selection in civilised nations.
180 143 Indolence of man, when free from a struggle for existence,
193 151 Gorilla protecting himself from rain with his hands.
208, note. 161, note. Hermaphroditism in fish.
209 163 Rudimentary mammæ in male mammals.
239 188–190 Changed conditions lessen fertility and cause ill-health amongst savages.
245 195–6 Darkness of skin a protection against the sun.
250 199–206 Note by Professor Huxley on the development of the brain in man and apes.
256 209–210 Special organs of male parasitic worms for holding the female.
275–6 224–5 Greater variability of male than female; direct action of the environment in causing differences between the sexes.
290 235 Period of development of protuberances on birds' heads determines their transmission to one or both sexes.
301 243–4 Causes of excess of male births.
314 254 Proportion of the sexes in the bee family.
315 255–6 Excess of males perhaps sometimes determined by selection.
327 264 Bright colours of lowly organised animals.
338 272 Sexual selection amongst spiders.
339 273 Cause of smallness of male spiders.
345 277 Use of phosphorescence of the glow-worm.
349 280 The humming noises of flies.
350 281 Use of bright colours to Hemiptera (bugs).
351 282 Musical apparatus of Homoptera.
288, note.
Development of stridulating apparatus in Orthoptera.
366 292–3 Hermann Müller on sexual differences of bees.
387 308 Sounds produced by moths.
397 315 Display of beauty by butterflies.
401 319 Female butterflies, taking the more active part in courtship, brighter than their males.
412 324–5 Further cases of mimicry in butterflies and moths.
417 326 Cause of bright and diversified colours of caterpillars.