VADE MECUM. 129 



numerous occllatcd spots, and a marginal macular tawny 

 band. 



Caterpillar. Green, hairy, with a dark dorsal line. 



Chrysalis. IJark brown. 



POLYOMMATUS ALCON. 



Duncan, pi. 3-2,/ig, 2. 



BuUerJlij. Wings intire, blue, with a lirown margin ; 

 undemeatli brown a-sh-coloured, witli a double series of 

 ocellated dots. 



Calerpillur. 



Chrysalis. 



POLYOMMATUS EROS. 



Butterfly. Wings above, azure blue, without .spots ; under- 

 neath aah-coloured, with numerous ocellated dots; secondary 

 with an obliterated yellow marginal band. 



Caterpillar. 



Chrysalis. 



POLYOMMATUS ICARIUS. 



Butterfly. M'ings Intire, blue witli a black margin ; under- 

 neath ash-coloured, with an arched series of ocellated dots, 

 and of marginal tawny spots. 



Caterpillar. 



Chrysalis. 



