126 



HEREDITY AND SEX 



blance to butterflies of other species that are protected, 

 namely, Papilio aristolochia and P. hector. These 



Fig. 64. — Papilio polytes ; male (upper left) and three types of female 

 (to right). The "models," which two of these females are supposed to 

 "mimic," are shown to their left. (After Punnett.) 



two feed on the poisonous plant aristolochia and are 

 said to be unpalatable. The two aberrant types of 

 P. polytes bearing a close resemblance to these two 



