TRIFIDJE. 353 



specimens had been received from North America and mixed, 

 accidentally or otherwise, with British insects. But taking 

 into account that the captor. Mr. Raddon, was a good ento- 

 mologist and highly respected, it is far more probable that 

 the specimens obtained by him had been accidentally intro- 

 duced with produce — perhaps rough tiuiber — from America ; 

 especially as Barnstaple, with Bideford, so long took a large 

 part in the trade with that country.] 



14. A. obelisca, Hilh. — Expanse If to 1| inch. Fore 

 wings with rather a full anal angle ; purple-brown, with paler 

 subcostal stripe ; upper stigmata small, pale, in a blackish 

 cloud ; hind wings whitish, margined with grey. 



Antennae of the male notched to the middle with short 

 pointed teeth, each of which is tipped with a minute tuft of 

 bristles ; nearly the apical half simple ; densely ciliated 

 throughout ; black-brown. Palpi rather broadly tufted, 

 dark brown, paler in front ; head red-brown, dusted with 

 white ; collar broad, reddish-brown, banded with black, 

 whitish, and dark brown, in consecutive stripes, and edged at 

 the back with white ; shoulder-lappets blackish-brown, edged 

 above with white dots ; top of the thorax dark brown, fully 

 crested from collar to back, all the points of the crests tipped 

 with white and barred with purple-brown ; fascicles slender, 

 smoky-white ; abdomen golden-brown, covered toward the 

 base with shining greyish-white scales ; lateral tufts spreading, 

 anal tuft narrow, brown. Fore wings somewhat oblong ; 

 costal and dorsal margins straight ; apex bluntly rounded ; 

 hind margin below it straight to the middle, then rounded 

 rather fully at the anal angle ; colour dark purple-brown ; 

 along the subcostal region ie a broad paler stripe to beyond 

 the middle ; basal line only indicated by a faint blackish 

 spot close to the costa and two black streaks in the middle of 

 the base ; first line black, faintly duplicated, forming two or 

 three slightly oblique curves ; second line indistinct, formed 

 of an oblique series of black cloudy spots ; subterminal line 



VOL. in. z 



