3i8 LEPIDOPTERA. 



crests ; fore wings broad, blunt, rounded beliind, margins 

 strongly spotted ; vein 5 of hind wings slender, curved. 



LARViE thick, naked, marbled, hiding in cbinks of the bark 

 of trees. 



Pi PJ-: subterranean. 



1. C. aprilina, L. — Expanse If to 2 inches. Thorax 

 robust, bright green with black markings ; collar green, 

 edged above with deep black ; fore wings bright green with 

 numerous black markings edged with white ; hind wings 

 smoky-black with slender white stripes, and white spots in 

 the cilia. 



Antennae of the male simple, long, very faintly ciliated, 

 brown ; palpi short, and small, white with the sides black, 

 apical joint slender ; head tufted, green shaded with white, 

 two conspicuous tufts between the antenna ; thorax broad 

 and squared; collar bright green edged with white and 

 behind this with deep black ; shoulder-lappets broad and 

 uplifted, bright green, edged with black ; rest of thorax 

 similar, top crest rather compressed, slenderly tipped with 

 black; back crest conspicuous, double, the sides of each tuft 

 beino- broadly black ; fascicles broad, white ; abdomen dusky 

 white abundantly dusted with black, but the basal segments 

 covered with long white scales, among which, on the dorsal 

 ridge, are three small obliquely raised crests or tufts tii:)ped 

 with black ; lateral and anal tufts very small, smoky-black. 

 Fore wings rather broad; costa gently rounded; apex blunt 

 and somewhat squared; hind margin crenulated, nearly 

 perpendicular below the apex but rounded off below the 

 middle ; dorsal margin nearly straight ; colour bright pea- 

 green or cobalt-green ; basal line black broken into two 

 short streaks, one on the costa, the other at the middle of tlie 

 base, both edged outwardly with white and duplicated, or 

 rather the duplicate of the lower is thickened into a short 

 black blotch below which on the base of the dorsal margin is 



