20 



ZOOLOGY 



the Monarch in this country is the "Viceroy," Limenitis 

 arcliippm. This resemblance of the edible Viceroy to 

 the inedible, acrid Monarch, it is believed, is sufficient to 



FIG. 19. A, Kallima, the leaf-butterfly of the East Indies, Hying'; , at rest. 

 , Siderone, another leaf-butterfly, flying; b, at rest. 



deceive even the birds, and thus the Viceroy gains con- 

 siderable immunity from attack. This resemblance of an 

 edible to an immune species is known as mimicry. The 

 origin of protective resemblance and mimicry are both 



