FIG. 139. The mimicking of the inedible Monarch butterfly by the edible Viceroy. 

 Upper figure is the Monarch (Anosia plexippus) ; middle figure is the Viceroy 

 (Basilarchia archippus) ; lowest figure is another member of the same genus 

 (Sasilarchia), to show the usual color pattern of the species of the genus. 



