File:The course of evolution by differentiation or divergent mutation rather than by selection (1940) (20702225845).jpg

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Title: The course of evolution by differentiation or divergent mutation rather than by selection
Identifier: courseofevolutio00will (find matches)
Year: 1940 (1940s)
Authors: Willis, J. C. (John Christopher), 1868-1958
Subjects: Evolution; Natural selection; Variation (Biology)
Publisher: Cambridge (Eng. ) The University press; (New York, Macmillan)
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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38 THE HOLLOW CURVE (CH. IV more villages, but always in diminishing numbers as one goes upwards, just as with the plants. Most often the villages are in the same neighbourhood, but at times they are as far off as a Monospecific Genera at this end of curve ⢠C ft) ^ . «â "^ j- /June of Genera ospp.
Text Appearing After Image:
Number of species (or size of area.J Fig. 5. Mixed curves, to show the close agreement of the hollow curves, whether derived from families of plants grouped by sizes of genera (Com- positae, Hymenomycetineae, Simarubaceae), families of animals (Chryso- melidae, Amphipodous Crustacea, Lizards), endemic genera grouped by sizes (Islands, Brazil, New Caledonia), local floras grouped by (local) sizes of genera (Ceylon, Cambridgeshire, Italy), local faunas (Birds of British India, British Echinoderms), Tertiary fossils by sizes of genera, or Endemic Compositae of the Galapagos by area. (By courtesy of the Editor of Nature.) man can walk in one or two days, their distances and the tracks on which they lie showing the directions of emigration of young fellows in search of work. The distribution of species of plants that occurred in Ceylon,

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Flickr tags
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  • bookid:courseofevolutio00will
  • bookyear:1940
  • bookdecade:1940
  • bookcentury:1900
  • bookauthor:Willis_J_C_John_Christopher_1868_1958
  • booksubject:Evolution
  • booksubject:Natural_selection
  • booksubject:Variation_Biology_
  • bookpublisher:Cambridge_Eng_The_University_press_New_York_Macmillan_
  • bookcontributor:MBLWHOI_Library
  • booksponsor:MBLWHOI_Library
  • bookleafnumber:50
  • bookcollection:biodiversity
  • bookcollection:MBLWHOI
  • bookcollection:blc
  • bookcollection:americana
  • BHL Collection
  • BHL Consortium
Flickr posted date
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19 August 2015



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current23:52, 27 September 2015Thumbnail for version as of 23:52, 27 September 20152,046 × 1,940 (441 KB) (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Title''': The course of evolution by differentiation or divergent mutation rather than by selection<br> '''Identifier''': courseofevolutio00will ([https://commons.wikimedia.org/w/index.ph...

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