wallaces line

Wallace's line

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

Origin:
1865–70; after A. R. Wallace

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World English Dictionary
Wallace's line
 
n
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
 
[C20: named after Alfred Russel Wallace]

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