BUTTERFLIES OF THE VICINITY OF NEW YORK CITY 



^t^SB/ 



41. Blue-Eyed Grayling (Satyrus alopt 



Found plentifully throughout July and August in grassy fields 

 and open woods, especially along the borders of woods where the 

 large trees have been felled and a young growth is appearing. It 

 dies low, and for but a short distance, and rests upon the leaves of 

 bushes or trunks and twigs of dead trees. In the North a form occurs 

 which lacks the yellow marks on the fore wings (var. nephele). The 

 caterpillar feeds on grasses. 





42. Pearly-Eyed Grayling (Dcbis portlanc 



•rally distributed in this vicinity, but it is local. The flight is 

 somewhat like that of Neonympha canthus. It often rests on the 

 trunks of trees, Bailie ttg butterfly and reti: 



to its chosen post of observation. It also flies near the ground, along 

 the edges of woods or in the fore Qg bushes and trees. Found 



from the latter part of Jun< it the lirst of August, and 



single-brooded. The caterpillar feeds on grasses. 



