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Wallace's line

noun

Zoogeography.
  1. an imaginary line that separates the Oriental and Australian zoogeographical regions and passes between Bali and Lombok, west of Sulawesi, and east of the Philippines.



Wallace's line

noun

  1. the hypothetical boundary between the Oriental and Australasian zoogeographical regions, which runs between the Indonesian islands of Bali and Lombok, through the Macassar Strait, and SE of the Philippines

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of Wallace's line1

First recorded in 1865–70; after A. R. Wallace
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Word History and Origins

Origin of Wallace's line1

C20: named after Alfred Russel Wallace

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