GENUS ARGYNXIS. 151 



sliaped club, ridged on the nndfr side : palpi with 

 llse middle joint very long, the basal and terminal 

 joints short, the latter very slender, acicular : win<ri< 

 very ample, slightly scolloped, the hinder pair gene- 

 rally extending beyond the abdomen : anterior legs? 

 imperfect in both sexes ; the four posterior legs with 

 Ciaws and two appendages at the rase. 'I'he chry- 

 salis is suspended by the tail. 



