IX 
WARNING COLORATION AND MIMICRY 
251 
In Eastern Peru and Bolivia— 
C Heliconius aristona. 
-! Melinsea cydippe. 
t (?) Mechanitis mothone. 
In Pernambuco— 
j Heliconius ethra. 
\ Mechanitis nessea. 
In Bio Janeiro— 
{ Heliconius eucrate. 
( Mechanitis lysimnia. 
In South Brazil— 
i Thyridia megisto. 
\ Ituna ilione. 
( Acrsea thalia. 
| Eueides pavana. 
Besides these, a number of species of Ithomia and Napeo- 
genes, and of Napeogenes and Mechanitis, resemble each other 
with equal accuracy, so that they are liable to be mistaken 
Fig. 25.— Wings of Ituna Ilione, 6 . Wings of Thyridia megisto, $ . 
for each other when on the wing j and no doubt many other 
equally remarkable cases are yet unnoticed. 
The figures above of the fore and hind wings of two of these 
mimicking species, from Dr. Fritz Midler’s original paper in 
Kosmo-s , will serve to show the considerable amount of 
