Wallace Line

Wallace +‎ line. Named after Alfred Russel Wallace, who noticed this clear division during his travels through the East Indies in the 19th century.

the Wallace Line

1. A faunal boundary line that separates the ecozones of Asia and Wallacea, a transitional zone between Asia and Australia.

   Synonym: Wallace's Line

   • 2016, James Lambert, “Ornithonymy and Lexicographical Selection Criteria”, in International Journal of Lexicography, volume 30, number 1, pages 39–62:

     There are numerous species of bulbul in India, yet there are also numerous species of bulbul in China, Southeast Asia, and thence all the way eastwards to the Wallace Line.

• Wallacea