File:The descent of man, and selection in relation to sex (1873) (20246469063).jpg

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Title: The descent of man, and selection in relation to sex
Identifier: descentofmansele187302darw (find matches)
Year: 1873 (1870s)
Authors: Darwin, Charles, 1809-1882
Subjects: Evolution; Natural selection; Sexual selection in animals; Human beings -- Origin; Sexual dimorphism (Animals)
Publisher: New York : D. Appleton and Co.
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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252 SEXUAL SELECTION: MAMMALS. (Part II. little laterally, increase so much in length during old age, and curve so much upward, that they can be used as a means of attack. Nevertheless an old boar is not so dan- gerous to man as one at the age of six or seven years.35 In the full-grown male Babirusa pig of Celebes (Fig. 64), the lower tusks are formidable weapons, like those of
Text Appearing After Image:
Fig. 64.—Skull of the Babirusa Pig (from Wallace's 'Malay Archipelago'). the European boar in the prime of life, while the upper tusks are so long and have their points so much curled inward, sometimes even touching tbe forehead, that they are utterly useless as weapons of attack. They more near- ly resemble horns than teeth, and are so manifestly useless as teeth that the animal was formerly supposed to rest his head by hooking them on to a branch. Their convex S5 Brehm, ' Thierleben,' B. ii. s. 729, 732.

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Flickr tags
InfoField
  • bookid:descentofmansele187302darw
  • bookyear:1873
  • bookdecade:1870
  • bookcentury:1800
  • bookauthor:Darwin_Charles_1809_1882
  • booksubject:Evolution
  • booksubject:Natural_selection
  • booksubject:Sexual_selection_in_animals
  • booksubject:Human_beings_Origin
  • booksubject:Sexual_dimorphism_Animals_
  • bookpublisher:New_York_D_Appleton_and_Co_
  • bookcontributor:MBLWHOI_Library
  • booksponsor:MBLWHOI_Library
  • bookleafnumber:266
  • bookcollection:biodiversity
  • bookcollection:MBLWHOI
  • bookcollection:blc
  • bookcollection:americana
  • BHL Collection
  • BHL Consortium
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InfoField
25 August 2015

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current22:20, 17 September 2015Thumbnail for version as of 22:20, 17 September 20151,672 × 1,520 (800 KB) (talk | contribs)== {{int:filedesc}} == {{subst:chc}} {{information |description={{en|1=<br> '''Title''': The descent of man, and selection in relation to sex<br> '''Identifier''': descentofmansele187302darw ([https://commons.wikimedia.org/w/index.php?title=Special%3AS...

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