356 LEPIDOPTERA. 



D-. A dark streak at the base of the dorsal margin. 



X. scolopacina. 



1. X. lithoxylea, Fah. — Expanse If to 1^ inch. , Fore 

 wings long and rather pointed, the nervures thickened, 

 whitish-ochreous, clouded behind with darker ochreous ; 

 transverse lines scarcely perceptible ; hind wings white with 

 a smoky border. 



Antennte of the male simple, faintly ciliated, pale brown ; 

 palpi rather small, pale drab, tinged at the sides with choco- 

 late-red, apical joint slender but distinct; head pale drab 

 with a bar of bright chocolate on each side beneath the 

 antennas ; collar pale drab tinged above with red, and having 

 a slender central bar of chocolate-brown ; shoulder-lappets 

 whitish-drab dusted along the edges with red atoms ; rest of 

 the thorax similar, crested at the top and back, all the tufts 

 tipped with red-brown ; fascicles long, white ; abdomen very 

 pale wainscot-brown or whitish-drab with a dorsal row of 

 pinkish-brown crests on the anterior segments and some- 

 times with the middle segments and the anal tuft tinged 

 with pale chocolate ; lateral tufts tinged with red. Fore 

 wings long and rather pointed, nervures thickened and rib- 

 like, and rendered conspicuous by a white edging ; costa 

 very faintly curved ; apex suddenly and bluntly rounded ; 

 hind margin oblique, slightly rounded, crenulated and below 

 the middle suddenly hollowed in two scallops reaching to the 

 anal angle ; dorsal margin gracefully curved and hollowed ; 

 colour whitish-ochreous clouded considerably with pale 

 wainscot-brown and almost without definite markings ; basal 

 line only suggested by faint brown streaks on the costa and 

 median nervure ; first line hardly more perceptible, but in 

 some individuals complete as an extremely slender series of 

 long angles, which, however, usually only represent them- 

 selves as faint longitudinal brown lines ; second line 

 indicated by a double row of pale chocolate dots on the 

 nervures ; subterminal line absent but its position partly 



