68 PLATE CCLXXVm. 



Butterflies; they differ, however, materially in fize, as well as 

 manner of life. The fmalleft kind is very common, and its larva 

 feeds on the Nettle ; the prefent fpecies is found on the Elm, fre- 

 quents woods, and is very fcarce. 



The larva is found in June; it becomes a pupa in the fame 

 month; and after remaining in that llate twenty-one days, the 

 winged Infedl is produced. 



PLATE 



