File:The biology of the amphibia (1931) (19759783564).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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GEOGRAPHIC DISTRIBUTION AND ECONOMIC VALUE 455 nected with the mainland, but there are other possibilities to consider. Hurricanes are known to strip trees completely of their leaves and to transport the contents of ponds for varying dis- tances (Visher, 1925). Eggs could be readily carried in the debris, and as adult frogs are known to leap successfully from great heights (Cott, 1926), it is not improbable that they could make an aerial trip successfully. Storms frequently move against prevailing winds and hence would transport Malayan forms into
Text Appearing After Image:
Fig. 141.—Speciation in Plethodon: (A) Plethodon shermani. (B) P. metcalfi. (D) P. jordani. (E) P. yonahlossee. They inhabit different mountain ranges in the Southern Appalachians and represent local modifications of the Plethodon glutinosus stock (C) which covers a wide range in eastern United States. some of the East Indies and Central American forms to some of the West Indies. At times of storms, great masses of vegetation are carried by freshets out to sea. Tree frogs regularly make the trip in banana shipments from Central America to the United States and it is highly probable that they could survive a short sea voyage in a natural raft. Primitive man may have inadvert- ently carried some of the species. There are many possibilities and little certainty as to how most of these island Amphibia reached their present homes.

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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:473
  • bookcollection:YorkUniversity
  • bookcollection:ontario_council_university_libraries
  • bookcollection:toronto
  • BHL Collection
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7 August 2015


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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@N07/19759783564. It was reviewed on 28 September 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

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