ROADSIDE LIFE. 



249 



THE MONARCH. The monarch, Anosia plcxippus 

 (A-no'si-a plcx-ip'pus], can be recognized by Fig. 220. 

 The larva feeds upon different species of milk- 

 weed. When full grown it is yellow, broadly 

 banded with black, and bears a pair of long, fleshy 

 filaments on the second thoracic segment and a 

 similar pair on the seventh abdominal segment. 

 The chrysalis is bright green, dotted with golden 



spots. 



THE VICEROY.- -The viceroy, Basilarchia arcJiip- 

 pus (Bas-i-lar'cJii-a ar-cliip' pus), resembles the monarch 

 in color and markings, but can be distinguished by 

 its smaller size and by the presence of a transverse 

 black band on the hind wings (Fig. 221). 



FIG. 221. The v.ceroy. 



Notwithstanding the close resemblance in ap- 

 pearance of these two insects, they belong to dif- 

 ferent subfamilies ot butterflies, the viceroy exhib- 

 iting: to a wonderful degree what is known as mim- 



o o 



icry. 



THE CRESCENT-SPOTS. These are small butter- 



