TRIFID.^. 259 



an exceedingly local species, and seems to be confined to the 

 mountains of Central Europe. 



8. D. luteago, var. Barrettii, i)&M.— Expanse, 1| to 

 \\ inch. Fore wings rather broad, rich dark purple-brown, 

 blotched with brownish -white, the principal pale blotches 

 forming an imperfect oblique central band reaching the anal 

 angle ; hind wings brown. 



Antennse of the male simple, finely ciliated, light brown ; 

 palpi broadly and loosely tufted, pale brown, dusted and 

 barred with purple-brown ; head similar, but with a small 

 purple-brown raised tuft exactly between the antennae ; collar 

 pale purple-brown, barred with a double crescent of dark 

 purple-brown ; remainder of thorax purplish-brown, the 

 shoulder-lappets edged with brownish-white ; the crests at 

 the top and back tipped with dark chocolate ; fascicles 

 brownish-white ; abdomen jmle golden brown, sometimes 

 faintly barred with darker ; on the basal segments are very 

 small dark-brown crests ; lateral tufts rather conspicuous, 

 anal tuft compressed, both golden brown. Fore wings rather 

 broad, the costa very gently curved ; apex bluntly rounded ; 

 hind margin not very oblique, almost straight to near the 

 anal angle, then rounded off; dorsal margin gracefully 

 curved; colour purple-brown, clouded and blotched with 

 dusky-white, which is coarsely dusted with scales of the dark 

 ground colour ; basal line abbreviated, broken into two dark 

 chocolate brown spots or short streaks, bounded outside by 

 parallel pale clouds ; first line nearly perpendicular, indis- 

 tinct, indented, chocolate-brown, preceded by pale clouding, 

 which, indeed, occujiies the dorsal half of the space between 

 this and the basal line ; second line much curved, dark 

 chocolate, broken up into a series of crescents ; subterminal 

 line dirty white, slender, continuous, but irregular and 

 repeatedly angulated, edged on each side by dark ground 

 colour, but situated in a much paler hind-marginal space, of 

 which a blotch toward the apex and a larger one near the 



