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Description
English:

Title: The descent of man, and selection in relation to sex
Identifier: descentofmansele1874darw (find matches)
Year: 1874 (1870s)
Authors: Darwin, Charles, 1809-1882
Subjects: Evolution; Natural selection; Heredity; Human beings; Sexual selection in animals; Sexual dimorphism (Animals); Sex differences
Publisher: New York : A. L. Burt
Contributing Library: Harold B. Lee Library
Digitizing Sponsor: Brigham Young University

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18 THE DESCENT OF MAN. feet by the equal development of the cartilage throughout the whole extent of the margin, it would have covered fully one-third of the whole year. Two cases have been commu- nicated to me, one in North America and the other in England, in which the upper margin is not at all folded inward, but is pointed, so that it closely resembles the pointed ear of an ordinary quadruped in outline. In one of these cases, which was that of a young child, the father compared the ear with the drawing which I have given* of
Text Appearing After Image:
Big. 8. Foetus of an Drang. Exact copy of a photograph, showing the form of the ear at this early age. the ear of a monkey, the Cynopithecus niger, and says that their outlines are closely similar. If, in these two cases, the margin had been folded inward in the normal manner, an inward projection must have been formed. I may add that in two other cases the outline still remains somewhat pointed, although the margin of the upper part of the ear is normally folded inward—in one of them, however, very nan'owly. The above wood-cut (Fig. 3) is an accurate copy of a photograph of the foetus of an orang (kindly sent me by Dr. Nitsche), in which it may be seen how different the pointed outline of the ear is at this period from its adult condition, when it bears a close general resemblance **' The Expression of the Emotions. '* p, 136.

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Flickr tags
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  • bookid:descentofmansele1874darw
  • bookyear:1874
  • bookdecade:1870
  • bookcentury:1800
  • bookauthor:Darwin_Charles_1809_1882
  • booksubject:Evolution
  • booksubject:Natural_selection
  • booksubject:Heredity
  • booksubject:Human_beings
  • booksubject:Sexual_selection_in_animals
  • booksubject:Sexual_dimorphism_Animals_
  • booksubject:Sex_differences
  • bookpublisher:New_York_A_L_Burt
  • bookcontributor:Harold_B_Lee_Library
  • booksponsor:Brigham_Young_University
  • bookleafnumber:34
  • bookcollection:americana
  • BHL Collection
Flickr posted date
InfoField
25 August 2015

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18 September 2015

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