But, if we proceed from a district where one Leptalis imitates an Ithomia, another mocking and mocked species, belonging to the same two genera, equally close in their resemblance, may be found.

Altogether no less than ten genera are enumerated, which include species that imitate other butterflies.

The mockers and mocked always inhabit the same region; we never find an imitator living remote from the form which it imitates.