THE NYMPHS 



C. White bow of wings broad and extending across both 

 wings. (B. artkemis), p. 167. 



The Banded Purple. 



CC. White bow of wings narrow and more or less im- 

 perfect. (B. proserpina), p. 170. 



The Hybrid Purple. 



BB. Wings without any white bow. (B. astyanax), p. 166. 



The Red-spotted Purple. 



AA. Ground color of wings orange or red brown. 



B. Ground color of wings orange. (B. archippus), p. 170. 



The Viceroy. 



BB. Ground color of wings red brown. (B. floridensis), 

 p. 173. The Vice-reine. 



The especially interesting feature of this group 

 is found in the caterpillar habits. 



The egg is laid on the tip of the leaf of the 

 food-plant and as soon as the little caterpillar 

 hatches it begins feeding across the end of the 

 leaf, leaving the midrib. It feeds only by night, 

 and during the day rests stretched out on this 

 bare midrib, which it upholsters in silk and stiff- 

 ens with bits of the leaf woven in, as Mr. Scud- 

 der thinks, to keep the denuded midrib from curl- 

 ing. After a little it makes a bundle out of bits 

 of the leaf and fastens this on the midrib next to 

 the uneaten portion ; as it eats the leaf it moves 

 this bundle down. This seems to be a method 



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