File:The biology of the amphibia (1931) (19761370883).jpg

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Title: The biology of the amphibia
Identifier: biologyofamphibi00nobl (find matches)
Year: 1931 (1930s)
Authors: Noble, Gladwyn Kingsley, 1894-1940
Subjects: Amphibians
Publisher: New York : McGraw-Hill
Contributing Library: ASC - York University Libraries
Digitizing Sponsor: York University - University of Toronto Libraries

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THE RESPIRATORY SYSTEM 161 was an inheritance from the larvae and not from the adults of their piscine ancestors. Relation of Gill Form to Function.—The fully developed form of the external gills of the various species of Amphibia is closely correlated with the functional needs of the larvae. This was shown in the discussion of their life history. The reduction of
Text Appearing After Image:
C Fig. 61.—Head and gill form in Pseudobranchus striatus (A) and Siren lacertina (B), drawn from living specimens approximately six inches in total length. Young Siren lacertina (C) after treatment with 1 to 1,000 solution of iodothyrine. The branchiae are entirely lost, although their position is indicated by a densely pigmented swelling. Drawn from a formalin-fixed specimen, the lateral-line organs obscure, not indicated. the gill clefts may also have a functional significance. For exam- ple, Siren, with four branchial arches, has the first three clefts open in the mature animal, while the closely related Pseudo- branchus, which unlike Siren is a burrowing salamander, has the same number of arches, but only the second cleft remains open

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  • bookid:biologyofamphibi00nobl
  • bookyear:1931
  • bookdecade:1930
  • bookcentury:1900
  • bookauthor:Noble_Gladwyn_Kingsley_1894_1940
  • booksubject:Amphibians
  • bookpublisher:New_York_McGraw_Hill
  • bookcontributor:ASC_York_University_Libraries
  • booksponsor:York_University_University_of_Toronto_Libraries
  • bookleafnumber:179
  • bookcollection:YorkUniversity
  • bookcollection:ontario_council_university_libraries
  • bookcollection:toronto
  • BHL Collection
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7 August 2015



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Public domain
This work is in the public domain because it was published in the United States between 1929 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart and the copyright renewal logs. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.

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This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/19761370883. It was reviewed on 27 September 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

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current17:13, 27 September 2015Thumbnail for version as of 17:13, 27 September 20151,952 × 1,872 (757 KB) (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Title''': The biology of the amphibia<br> '''Identifier''': biologyofamphibi00nobl ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&searc...

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