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File:Cave vertebrates of America; a study in degenerative evolution (1909) (20400097109).jpg

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Title: Cave vertebrates of America; a study in degenerative evolution
Identifier: cavevertebrateso01eige (find matches)
Year: 1909 (1900s)
Authors: Eigenmann, Carl H. , 1863-1927
Subjects: Cave animals; Evolution
Publisher: Washington, D. C. , Carnegie Institution of Washington
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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34 BLIND VERTEBRATES AND THEIR EYES. Very marked changes have been brought about in the specimen 70 mm. long. The pupil is now an obHquc channel and the lower margin of the iris overlaps the upper margin. On the left it is more nearly as in the younger stages, but wider (48 /x). The free margin of the iris now reaches the enormous thickness of
Text Appearing After Image:
Fig. 7. (a) Right Eye of Specimen 70 mm. loag. (i) Right Eye of Specimen go mm. long. 56 iJL to 80 jjL. The pigmented epithelium has rolled in more, so that the elongated nuclei, free from pigment, are crowded together in the region of the ora serrata. The pupil is filled in part with pigment, e\-idently of choroidal origin (fig. 7 a). In the right eye of the specimen 90 mm. long the choroidal pigment has forced its way into the interior of the eye and forms a conical-shaped mass like a plug in

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Flickr tags
InfoField
  • bookid:cavevertebrateso01eige
  • bookyear:1909
  • bookdecade:1900
  • bookcentury:1900
  • bookauthor:Eigenmann_Carl_H_1863_1927
  • booksubject:Cave_animals
  • booksubject:Evolution
  • bookpublisher:Washington_D_C_Carnegie_Institution_of_Washington
  • bookcontributor:Smithsonian_Libraries
  • booksponsor:Smithsonian_Libraries
  • bookleafnumber:60
  • bookcollection:biodiversity
  • bookcollection:americana
  • BHL Collection
  • BHL Consortium
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15 August 2015
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This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/20400097109. It was reviewed on 28 September 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

28 September 2015

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current00:16, 12 November 2018Thumbnail for version as of 00:16, 12 November 20182,422 × 3,276 (525 KB)Faebot (talk | contribs)Uncrop
00:44, 28 September 2015Thumbnail for version as of 00:44, 28 September 20151,280 × 2,070 (544 KB)Fæ (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Title''': Cave vertebrates of America; a study in degenerative evolution<br> '''Identifier''': cavevertebrateso01eige ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&pr...

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