ANIMAL BIOLOGY 



striking manner from the forms to which they are very 

 closely allied in points of structure and life history. The 



FIG. 1 6. Mimicry of the monarch butterfly (upper figure) by the 

 viceroy (lower figure). (After Lutz.) 



resemblance to the distasteful species is superficial and 

 due to color and outline of wings, while in many other 

 less conspicuous features of structure they are similar 



