TRIFID^E. 229 



out Central Europe, Spain, Italy, and all Northern Europe 

 except the coldest districts; but beyond Europe I find no 

 records. 



Genus 98. CATEPHIA. 



Antenuas of the male simple, cylindrical, naked; palpi 

 short, horizontal ; eyes densely hairy and with thick back 

 lashes ; head rough, densely tufted ; thorax furnished with 

 two widely separated and rather erect back tufts ; abdomen 

 crested on five or six segments, the crests on the third and 

 fourth the largest; fore wings thick in texture, broad and 

 ample ; hind wings having vein 5 arising near to vein 4 on 

 the slope of the angulated cross-bar. 



We have only one species. 



1. C. alchymista, Sehiff. — Expanse 1| to If inch. 

 Robust ; fore wings broad, black-brown, banded and marbled 

 with dull black ; subterminal line slender, yellow-brown. 

 Hind wings white from the base to the middle, thence black, 

 but with a partial white edging. 



Antennae of the male simple, cylindrical, naked, black- 

 brown ; palpi very short, densely tufted, pale brown shaded 

 outside with black ; eyes black, densely covered with short 

 fine hair-points ; head tufted, pale brown dusted with black ; 

 thorax black-brown, blackest in frout, otherwise with a few 

 scattered white scales, two similar tufts at the back form a 

 crest ; fascicles smoky-brown ; abdomen of the same colour 

 with abundant long black hair-scales, dorsal ridge ornamented 

 with five or six black crests, of which those on the third and 

 fourth segments are the largest ; lateral tufts inconspicuous 

 and anal tuft narrow. Fore wings rather broad ; costa 

 somewhat arched, more so toward the apex, which is bluntly 

 rounded ; hind margin also rounded, crenulated ; dorsal 

 margin gently and gracefully curved ; colour dark umbreous 

 with a bronzy tint, abundantly clouded with dull black ; 

 basal line an obscure, broken, short black streak, edged 



