IX 



WARNING COLORATION AND MIMICRY 



251 



In Eastern Peru and Bolivia- 



rHelicoTuufs aristona. 

 A Meliiipea cj'dippe. 

 ((?) Mecliauitis uiothone. 



In Pernambuco — 



^ Helicoiiiiis etlira. 

 I Mecliauitis nesrea. 



In Kio Janeiro — 



Heliconins eiicrate. 

 ]\Iechaaitis lysiiimia. 



In South Brazil — 



\ Tliyridia mcgisto. 

 ( Ituna ilione. 

 j Acrrea thalia. 

 I Eueides jjavana. 



Besides these, a number of species of Ithoraia and Napeo- 

 genes, and of Napeogenes and Mechanitis, resemble each other 

 ■with equal accuracy, so that they are liable to be inistalcen 



7 

 6 

 5 



It. 2 



Fio. 25. — Wings of Ituna Ilione, 5 . 



Win^s of Tliyriilia niegisto, ^ . 



for each other when on the wing ; and no doubt many other 

 equally remai'kable cases are yet unnoticed. 



The figures al)ove of the fore and hind wings of two of these 

 mimicking si)ecies, from Dr. Fritz Midler's original pai)cr in 

 Kosmos, will serve to show the considerable amount of 



