DEL TOIDES. 289 



C. Third line of fore wings nearly straight, terminated 

 before both apex and anal angle. H. tarsipennalis. 



C' 2 . Third line of fore wings arched from apex to anal 

 angle ; a small species. H. grisecdis. 



1. H. derivalis, RiXb. — Expanse 1£ to l\ inch. Body 

 slender, fore wings rounded behind, yellow-brown with two 

 slender curved brown transverse lines, and a central crescent. 

 Hind wings of the same colour, with a single slender similar 

 line. 



Antennae of the male slender, but ciliated with rather long 

 distinct bristles which resemble pectinations, light yellow- 

 brown ; palpi very long, slender, curved up to considerably 

 above the head, light chestnut ; eyes black ; head and thorax 

 smooth, brownish-drab ; fascicles pale yellow ; abdomen 

 slender, paler drab, dusted with brown ; anal tuft long and 

 narrow, yellow-brown. Fore wings broad, rather refuse ; 

 costa gently arched ; apex angulated and faintly produced ; 

 hind margin, below it, straight or slightly refuse, but filled 

 out in the middle and only rounded off close to the anal angle ; 

 dorsal margin straight or slightly concave ; colour uniform, 

 yellow-brown ; first line slender, curved but erect, reddish- 

 brown ; second line similar in colour, rather more distinct, 

 not very oblique but curved out above the middle and then 

 back to the costa ; no subterminal line ; reniform stigma sug- 

 gested by a short erect brown streak, slightly crescent-shaped, 

 in the discal cell ; extreme hind margin faintly edged by a 

 brown line ; cilia of the ground colour. Hind wings large, 

 rounded behind, yellow-brown, a little whiter toward the base 

 and along the costal margin ; in the middle is a very slender 

 curved brown transverse line continued from the second line 

 of the fore wings ; hind margin edged by a slender similar 

 line ; cilia yellow-brown. Female hardly differing except 

 that the antennae are quite simple and the abdomen a little 

 thicker and more pointed. 



Underside of all the wings light yellow-brown ; a slender 



VOL. vi, T 



