362 LEPIDOPTERA. 



3. X. polyodon, L. ; monoglypha, Stcmd. Cat. — Ex- 

 panse 2 inches. Fore wings brown in all shades of nmbreous 

 to brown-black, usually marbled with white and whitish- 

 brown ; stigmata large, pale ; lines much indented, edged 

 with white ; a large white W in the subterminal ; hind wings 

 pale brown or brownish-w^hite. 



Antennee of the male simple, minutely ciliated, dark- 

 brown ; palpi small, narrowly tufted, pale chocolate, apical 

 joint minute, paler brown ; head very pale purplish-brown, 

 slenderly barred in front with chocolate and deeply spotted 

 with the same at the sides, collar pale drab dusted with 

 purple-brown and slenderly barred in the middle with black- 

 brown, behind this is a fainter, parallel, purple-brown bar, 

 shoulder-lappets much uplifted, pale brown striped on each 

 side with chocolate or black-brown ; remainder of thorax 

 drab, dusted with purple-brown ; top and back crests con- 

 spicuous and barred or faintly edged with the same colour ; 

 fascicles white, abdomen drab or pale brown, basal segments 

 abundantly covered with long pale scales ; dorsal ridge orna- 

 mented with four or five oblique crests which are barred 

 with brown ; lateral and anal tufts spreading, reddish-brown, 

 the side portions of the latter opening out at times broadly, 

 like a fan. Fore wings long, narrow at the base, pale brown 

 or whitish-brown, marbled with various shades of brighter 

 and darker umbreous-brown ; basal line limited to two slender 

 angulated black streaks, beneath which, arising from the 

 middle of the base, is a somewhat indented black longitudinal 

 line, and below this, close to the dorsal margin, another ; 

 first line obscure, oblique, brown or black, formed into very 

 long and broad angles between the principal nervures, and 

 often edged inwardly with white ; second line more dis- 

 tinctly black, edged with white, oblique, curved and arranged 

 into numerous crescents which form produced angles at their 

 junctures on the nervures, and very often black points or 

 dots beyond them ; subterminal line rather broken and 

 obscured, white or brownish-white, waved, indented and 



