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Description
English:

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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Chap. XIV.) GRADATION OF CHARACTERS. 143 to the uppermost ocellus (b) is represented only by a very short irregular black mark with the usual, curved, trans- verse base. As this stripe is thus abruptly cut off above, we can understand, from what has gone before, how it is that the upper thickened part of the ring is absent in the uppermost ocellus ; for, as a\ before stated, this thickened part is apparently formed by a broken prolongation of the next higher spot in the same row. From the absence of the upper and thickened part of the ring, the upper- b most ocellus, though perfect in all other respects, appears as if iis top had been ob- liquely sliced off. It would, I think, perplex any one, who believes that the plumage of the Argus pheasant was cre- ated as we now see it, to ac- count for the imperfect condi- tion of the uppermost ocelli. I should add that in the sec- ondary wing-feather farthest from the body all the ocelli are smaller and less perfect Fig. 59.—Portion near summit of one . . . _ . of the Secondary wing-feathers, than on the Other leathers, hearing perfect hall-and-socket With the Upper parts of the a Ornamented upper part. Pvtprnnl Kliplr rino-<s rlpfipipnr *• Uppermost, imperfect hall-and- exiernai oiacK lings aencient, gocket ocellus. (The shading as in thp Pfl<?p in<?r mpntinnpd ahove the white mark on the <ih m tne case just; menuonea. gummjt of the ocellus is here a The imperfection here seems perfl^Scefius* to be connected with the fact that the spots on this featner show less tendency than
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https://www.flickr.com/photos/internetarchivebookimages/20244868234/

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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:157
  • bookcollection:biodiversity
  • bookcollection:MBLWHOI
  • bookcollection:blc
  • bookcollection:americana
  • BHL Collection
  • BHL Consortium
Flickr posted date
InfoField
25 August 2015

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