Had this mimicry occurred in only one or two instances, it might have been passed over as a strange coincidence.

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.