The descent of man and selection in relation to sex / by Charles Darwin.

  • Darwin, Charles, 1809-1882.
Date:
1883
Catalogue details

Licence: Public Domain Mark

Credit: The descent of man and selection in relation to sex / by Charles Darwin. Source: Wellcome Collection.

Provider: This material has been provided by King’s College London. The original may be consulted at King’s College London.

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    Table of the Principal Additions and First Edition. Vol. I. Page 149 150 169 ISO 193 208, note. 209 239 245 250 256 Present Kdition. Page 57 58-9 134-5 143 151 161, note. 163 188-190 195-6 199-206 209-210 275-6 224-5 290 235 301 243-4 314 254 315 255-6 327 264 338 272 339 273 345 277 349 280 350 281 351 282 354 284-5 350 288, note. 366 292-3 387 308 397 315 401 819 412 324-5 417 326 fBelt on advantages to man from Ms hair- \ lessness. (Disappearance of the tail in man and certain \ monkeys. /Injurious' forms of selection in civilised \ nations. /Indolence of man, -when free from a struggle \ for existence. /Gorilla protecting himself from rain with his I hands. Hermaphroditism in fish. Rudimentary mammae iu male mammals. /Changed conditions lessen fertiUty and cause \ ill-health amongst savages. /Darkness of skin a protection against the \ sun. /Note by Professor Huxley on the develop- \ ment of the brain in man and apes. /Special organs of male parasitic worms for \ holding the female. Greater variability of male than female; direct action of the environment in causing differences between the sexes. Period of development of protuberances on birds' heads determines their trans- mission to one or both sexes. Causes of excess of male births. Proportion of the sexes in the bee familJ^ /Excess of males perhaps sometimes deter- ^ mined by selection. Bright colours of lowly organised animals. Sexual selection amongst spiders. Cause of smallness of male spiders. Use of phosphorescence of the glow-worm. Tlie humming noises of flies. Use of bright colours to Hemiptera (bugs). ]\Iusical apparatus of Homoptera. /Development of stridalating apparatus \ Oithoptera. /Hermann Miiller on sexual differences \ bees. Sounds produced by moths. Display of beauty by butterflies. /Female butterflies, taking the more active \ part in courtship, brighter than their males. /Further cases of mimicry in butterflies and \ moths. /Cause of bright and diversified colours of \ caterpillars. in of