The Descent of Man and Selection in Relation to Sex Volume I

The Descent of Man and Selection in Relation to Sex Volume I

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Excerpt: ...selection. So again, if the chief service rendered to the male by his prehensile organs is to prevent the escape of the female before the arrival of other males, or when assaulted by them, these organs will have been perfected through sexual selection, that is by the advantage acquired by certain males over their rivals. But in most cases it is scarcely possible to distinguish between the effects of natural and sexual selection. Whole chapters could easily be filled with details on the differences between the sexes in their sensory, locomotive, and prehensile organs. As, however, these structures are not more interesting than others adapted for the ordinary purposes of life, I shall almost pass them over, giving only a few instances under each class. There are many other structures and instincts which must have been developed through sexual selectionshow more

Product details

  • Paperback
  • 189 x 246 x 7mm | 254g
  • United States
  • English
  • black & white illustrations
  • 123669385X
  • 9781236693853