Has a wide range from Quebec to Vancouver Island and south 

 to the Isthmus of Panama. 



GENUS THORYBES SCUDDEB 

 (THE DUSKY- WINGS). 



(1) Thorybes pylades Scudder, Plate CXXXI, Fig. 1, 9 

 (The Northern Dusky- wing). 



Below wings dark brown shading into gray outwardly; hind 

 wings crossed by irregular brown bands; spots of upper side 

 reappearing below. Expanse 1.60 inch. 



Common in New England, thence westward and southward. 



(2) Thorybes bathyllus (Smith & Abbot), Plate CXXXI, 

 Fig. 2 (The Southern Dusky -wing). 



Distinguished from preceding species by the larger spots on 

 fore wing. 



Ranges from Connecticut to Texas. 



GENUS ACHALARUS SCUDDER 



(1) Achalarus lycidas (Smith & Abbot), Plate CXXXII, 

 Fig. 1,$ (The Hoary-edge). 



201 



PL. CXXXI 



