4l>2 



EVOLUTION AND ANIMAL LIFE 



Fig. 263. — The mimicking of the inedible monarch butterfly by the edible viceroy. 

 The figure at the top is the monarch, Anosi-a. plexippus. The middle figure is the 

 viceroy, Bnsilnrchia archippus. The lowest figure is another member of the same 

 genus, Basilarchia, to show the usual color pattern of the species of the genus. 



