A SHEEP IN WOLF'S CLOTHINU 47 



within it. Moreover, he selects a leaf near the ground 

 so that he may have the protection of a cover of snow, 

 which proves him to be truly winter-wise. He and all 

 his generation pass the winter safely in their tiny tene- 

 ments, remaining there dormant until the first buds 

 or catkins of the spring call them to a vernal break- 



FiG. 24. The Viceroy. 



fast ; then they back out of their dwellings and devote 

 themselves thereafter to eating and growing as if they 

 had never experienced a winter vacation while pursu- 

 ing this important business. They change to butterflies 

 in June. 



The flight of the Viceroys consists of a few rapid 

 flutters of the wings and then a period of sailing 

 through the air with wings extended. This exposes 

 them mercilessly to the attack of birds which regard 



