TRIFIDsE. 77 



far as I know these districts indicate the limits of its range 

 in these Islands. Abroad it is found throughout Central 

 Europe, Southern Sweden, Livonia, Southern Russia, and 

 the mountainous districts of Central Asia. 



5. C. gnaphalii, Huh. — Expanse 1^ inch. Fore wiDgs 

 not very long, pointed ; silvery-grey ; a black streak from 

 the base; middle area and apex clouded with purplish- 

 umbreous with a faint chocolate flush ; upper stigmata paler ; 

 in the hinder area are several chocolate-black streaks ; hind 

 margin dotted with black. Hind wings black-brown. 



Antennas of the male simple, naked, light brown, white at 

 the back ; palpi extremely short, dark purple-brown, apical 

 joint short and black ; eyelashes very long, black-brown ; 

 head thickly scaled, divided into prominent tufts by two 

 cross-channels, purple-black dusted with white ; at the base 

 of each antenna is a white tuft ; collar very large, peaked, 

 silvery-grey, but barred in front with black, and beneath this 

 shaded with light-brown ; shoulder-lappets long, silvery -grey ; 

 remainder of thorax brown-black streaked with silvery-grey, 

 top crest concealed by the peaked collar, back crest deep 

 black ; fascicles brownish-white ; abdomen rather long, pale 

 smoky-brown shaded with grey hair-scales; dorsal crests 

 black, that on the basal segment very small, the following- 

 two larger, the fourth prostrate ; lateral and anal tufts grej', 

 the latter pointed and faintly divided. Fore wings rather 

 pointed, moderately narrow ; costa straight to beyond the 

 middle, thence arched ; apex bluntly angulated ; hind margiu 

 oblique, crenulated, very faintly curved ; dorsal margin nearly 

 straight ; silvery-grey much clouded with black-brown and 

 having a chocolate flush ; from the middle of the base, below 

 the median nervure, is a long thin black streak unusually 

 straight ; first line double, black-brown, much angulated, and 

 having a very long point running almost to the base of the 

 dorsal margin ; second line only commenced on the dorsal 

 margin as a slender black crescent edged in its hollow with 



