Wal·lace's line (w l  -sz)n. A hypothetical line demarcating the distribution of Asian and Australian fauna, passing between the islands of Bali and Lombok to the south and Borneo and Sulawesi to the north, used especially in biogeographic studies of evolution. [After Alfred Russel Wallace.] |
Wallace's line
n
(Life Sciences & Allied Applications / Biology) 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
[named after Alfred Russel Wallace (1823-1913), British naturalist]
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