TRIFID^. 53 



velvety olive-brown or red-brown triangle ; hind wings 

 brownish white. 



Antennas simple, ciliated to the middle in minute tufts, 

 light brown ; palpi short, broadly tufted, pale drab tinged 

 outwardly with fulvous, apical joint minute ; head drab, a 

 small tuft of scales at the base of each antenna, and a raised 

 ridge-like tuft between them ; thorax drab dusted with pale 

 purple-brown ; collar very large, four times slenderly barred 

 with purple-brown ; top crest small, narrow, tipped with 

 red-brown, pushed forward so as rather to divide the collar ; 

 back crest very large, and divided into two beautifully 

 hollowed and angulated tufts, fulvous behind ; fascicles 

 large and broad, pure white ; abdomen very light purple- 

 brown ; the basal segments amply covered with long white 

 hair-scales, from amidst which arise two, prettily folded, pale 

 purplish-brown dorsal crests; lateral tufts spreading; anal 

 tuft rather narrow, all pale purplish-red. Fore wings very 

 long, with extended apex; costa straight to beyond the 

 middle, thence rather rounded, strongly ribbed throughout ; 

 apex angulated ; hind margin deeply and elegantly scalloped 

 throughout, but below the middle also hollowed into a consi- 

 derable concavity which is scalloped like the rest ; dorsal 

 margin straight ; colour pale pinkish-buflt or pinkish-brown 

 clouded with pale olive-green; basal line slender, straight, 

 indistinct yet duplicated, pale olive-brown ; first line oblique 

 and nearly straight, but having two very obtuse angles, 

 brown, edged inw^ardly with pink ; before it is a large pale 

 olive-brown triangular blotch Avith its base on the dorsal 

 margin ; second line very oblique and comparatively straight, 

 brown, edged outside with pinkish-white ; these two lines 

 approach each other very closely on the dorsal margin, 

 sometimes even meeting, and enclose a very large velvety 

 olive-green, green-brown, or red-brown triangular central 

 band ; subterminal line obscure, broken near the apex, 

 dusky white, bordered by faint olive-brown or olive-pink 

 clouds on either side, and before the apex by a cloudy black 



