Leptocircus.
20. Leptocircus-group. India to Celebes.
This Table shows the great affinity of the Malayan with the Indian Papilionidæ, only three out of the nineteen groups ranging beyond, into Africa, Europe, or America. The limitation of groups to the Indo-Malayan or Austro-Malayan divisions of the archipelago, which is so well marked in the higher animals (see ‘Journal of Linnean Society,’ vol. iv. 172, and ‘Journal of the Royal Geographical Society,’ 1863, p. 230), is much less conspicuous in insects, but is shown in some degree by the Papilionidæ. The following groups are either almost or entirely restricted to one portion of the Archipelago:—
Indo-Malayan Region.
Nox-group.
Coon-group.
Macareus-group (nearly).
Paradoxa-group.
Dissimilis-group (nearly).
Brookeanus-group.