TRIFID^. 249 



1. A. pyramidea, X.— Expanse If to 2| inches. Fore 

 wings broad, shining, pale smoky-brown or pale umbreous, 

 banded with darker; hind wings dull copper-colour with 

 a brown shade down the costal margin. 



Antennae of the male slender, simple, cylindrical, naked, 

 dull brown ; palpi small but curved upwards, covered with 

 closely appressed scales, purple-brown, nearly black-brown 

 outside ; apical joint long, thin, and upright, tipped with 

 white ; eyes naked, golden-brown, barred or crusted with 

 black ; back lashes few, whitish-brown ; head and thorax pale 

 brown abundantly dusted with umbreous, the latter broad, 

 smooth, rather flattened, and the scales at the back drawn 

 together into a curious Hat point ; fascicles short, pale smoky- 

 brown ; abdomen broad and rather Hat, dark brown, the 

 basal segments covered with smoky-yellow hair-scales ; lateral 

 tufts raised upon a considerable fold of skin, black, tipped 

 and barred with white ; anal tuft small and flat, smoky- 

 black tipped with brown. Fore wings broad throughout, 

 very blunt ; costal margin curved ; apex bluntly angulated ; 

 hind margin gently curved and slightly crenulated ; dorsal 

 margin rather 'rounded ; colour pale brown much clouded 

 with umbreous and black ; basal line represented by a pale 

 brown spot edged on each side with black ; first line a series 

 of faintly reddish-brown crescents, broadly edged on both 

 sides with obscure blacker curves or mere black dusting ; 

 second line ;,n irregular perpendicular series of cloudy black 

 crescents edged on the outside with reddish-white ; just 

 preceding this line is a broad ill-defined transverse band of 

 smoky-black containing deep black streaks or clouds ; sub- 

 terminal line obscure, irregular, indented, dusky-white, 

 hardly observable in a broad clouding of smoky-brown 

 which occupies the hinder area, and in which are some 

 obscure black wedge-like streaks ; orbicular stigma visible as 

 a black spot surrounded by a dusky-white ring ; reniform 

 stigma obliterated by the cloudy band, or more especially by 

 a black bar across it ; costal region alternately clouded with 



