ARGYNNIS XI. 



back by the tension of the skin on dorsum, so that the legs are hfted up in the 

 air, with much strugghng to free the head and to burst the skin along dorsum. 

 The spines lie flat and back and rise slowly as the skin slips off them, and the 

 bristles, which are in pencil, separate slowly as they dry. At first every spine is 

 yellow to base and the head also dull yellow, but all become dark in a few hours. 

 The June butterflies are particularly fond of asclepias flowers, and may often be 

 picked off by the finger, seeming besotted with the liquid they feed on, in the 

 same way as Turnus and other Papilios. 



Mr. Scudder says. But. N. E. p. 561, that Cybele is single-brooded in New Eng- 

 land, appearing the last of June ; that the eggs are laid about middle of August, 

 and the insects are on the wing till middle of September, or occasionallj- later. 



