117 



aperture between the claviforra spot and the exterior line passes the 

 undulate ferruginous median shade, ceasing at tlie reniform, but again 

 perceptible on the costa, as an oblique blackish shade. Ordinary spots, con- 

 colorous, black. Orbicular oblong, oblique, open above. Reniform large, sub- 

 quadrate, distinct below and at the sides, open above. A double row of faint 

 spots on the nervules beyond the exterior line. Subterminal line subdentate, 

 ferruginous. A conspicuous blackish blotch at the inner angle and another in 

 the terminal space between and adjoining the first median and sixth subcostal 

 nervules. Black dots at the base of the fringe, which is tinged with ferrugi- 

 nous. Posterior wings uniform blackish gray with the discal dots evident. 

 Beneath the wings are light gray with scattered black atoms and distinct dis- 

 cal dots. Anterior wings with a basal line corresponding to that above and 

 with the median and basal spaces darker gray. Posterior wings with a faint 

 exterior line. Tibiae with a longitudinal black line. All the spurs black, 

 tipped with white. 



Hab., Canada, Mass., New York. In April and May. 



The uniform light gray ground color, the black encircled spots, 

 particularly the elongated claviform and the basal longitudinal line 

 will separate it from other species of the genus, and the first char- 

 acter from vulgaris, G. & R. 



