{ Heliconius aristona.
{ Melinaea cydippe.
{ (?) Mechanitis mothone.
In Pernambuco—
{ Heliconius ethra.
{ Mechanitis nesaea.
In Rio Janeiro—
{ Helieonius eucrate.
{ Mechanitis lysimnia.
In South Brazil—
{ Thyridia megisto.
{ Ituna ilione.
{ Acraea thalia.
{ Eueides pavana.
Besides these, a number of species of Ithomia and Napeogenes, and of Napeogenes and Mechanitis, resemble each other with equal accuracy, so that they are liable to be mistaken for each other when on the wing; and no doubt many other equally remarkable cases are yet unnoticed.