PTEROPHORIlh-E-AMBL YPTIL US. 361 



beneath with white ; a line of whitish scales also extends 

 round the eyes ; head and thorax dark brown ; abdomen 

 dark ohve-brown, every segment curiously streaked, longi- 

 tudinally and obliquely, with white; legs long and thin, 

 black-brown with a white space following each joint. Fore 

 wings very narrow and the hinder area only moderately 

 expanded ; costa nearly straight except toward the apex, 

 which is sharply pointed ; hind margin hollowed close beneath 

 the tip, then irregular, and the anal angle well defined ; colour 

 ohve-brown ; from the base to beyond the middle is a series 

 ot obscure oblique white transverse lines of dusting broken 

 into spots and streaks; costa also dotted with white ; beyond 

 the middle is an olive-black costal triangle, and beneath it a 

 curved whitish line in the hollow of the dorsal margin, where 

 also are two olive-black tooth-like tufts of scales ; beyond 

 the costal triangle is a white spot and some white atoms, and 

 beyond these a distinct white transverse line crossing both 

 lobes ; extreme hind margin edged with black-brown ; cilia 

 white, very short. Hind wings deeply divided, the lobes 

 angulated behind; glistening pale golden brown, dusted 

 with dark brown ; cilia of the lobes shining olive-brown 

 ex-cept that of the dorsal margin of the hind lobe, which is 

 white, enclosing a projecting black tooth. Female similar, 

 a little stouter. 



Underside of the fore wings smoky red-brown ; dotted on 

 the costa, and streaked on the hind margin, with white- a 

 white spot beyond the middle is followed by a transverse 

 white line. Hind wings dusky grey. Body olive-brown. 

 _ On the wing m June and the beginning of July, and again 

 m September, but whether as two generations, or hybernat- 

 ing and reappearing in the following summer is not clearly 

 ascertained. 



Larva clear purplish-pink; the head dark sienna-brown 

 almost black ; dorsal stripe smoke colour; sub-dorsal stripel 

 clear white ; below them is a narrow interrupted white line, 



