1887.] PROCEEDINGS OF UNI'I'ED STATES NATIONAL MUSEUM. 479 



diffuse outer black shade. A distinct discal spot on secondaries. Ex- 

 pands 1.10-1.20 inches (27-30'"'"). 



Habitat. — Washington Territory. 



Readily recognizable by the pale shades accompanying the transverse 

 lines, as well as by the coarsely powdered primaries. The broad, dif- 

 fuse outer line of under side seems also characteristic. The S side 

 pieces gradually narrow to an obtuse tip, inwardly fringed with hair. 

 The clasper is concave, somewhat curved at tip, acute. The types are 

 with Messrs. Graef (19) and Hy. Edwards (1 $ ). 



