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FOR many years there have been discussions of the relation between the size of a sample of an animal or plant community and the number of species contained in it. Until recently, however, most of the approach has been from the botanical side.

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  1. Cybele Britannica, 4, 379 (1859).

  2. "Age and Area" (1922).

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WILLIAMS, C. AREA AND NUMBER OF SPECIES. Nature 152, 264–267 (1943).

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