34 THE COMMONER BUTTEMFLIEa. 



Key to the Groups, Based on the Perfect Butterfly. 



A'. Anteuiije near together at base, less tlian half as far 



apart as the height of the eye, the 

 end clubbed but not hooked ; eyes 

 with no overarching pencil of bristles. 

 B'. Besting on four legs only, the fore legs being un- 

 used, much shorter than the others, 

 without claws at the end, and folded 

 against the breast. 



(Fam. Brush-footed Butterflies.) 

 C\ None of the veins of fore wings swollen at the 



base. 

 D\ Antennae without any scales. 



(Subfamily Danaids.) 1. Anosia. 

 D^ Antennae covered, at least above, with numerous 



scales. (Subfamily Nymphs.) 



E'. Club of antennae short and stout, three or 

 more times as broad as the stem, 

 more or less abruptly thickened. 

 W, Naked portion of club of antennae with only 

 a single longitudinal ridge or none. 

 G\ Club of antenna3 about three or four times 

 as long as broad ; palpi slender, com- 

 pact, the last joint from one third to 

 one half as long as middle joint. 



(Tribe Crescent-Spots.) 



h\ Middle joint of palpi of nearly equal 



size throughout ; fore tibia of male 



stout and swollen, not more than five 



or six times longer than broad. 



