326 LEPIDOPTERA. 



lu Scotland it is frequent in the Clydesdale district, at 

 Dunoon, Paisley, and Gairlochhead, frequenting the birches in 

 the gullies which run up into the hills ; common in Aber- 

 deenshire and Kincardineshire, and found in Perthshire and 

 Roxburghshire. In Ireland it has been found at Killarney, 

 and several times near Belfast, Londonderry, Lough Swilly, 

 and in Donegal. Abroad it is common in Central Europe, 

 the temperate portions of Northern Europe, in Northern Italy, 

 and Southern Russia. 



Genus 8. ORGYIA. 



AntenntB in the males short, curved, strongly pectinated ; 

 fore wings short and broad ; hind wings round. Females 

 almost apterous, with extremely short slender antennge. 



Larv^g brightly coloured, with dense dorsal tufts of hairs. 



PuPiE hairy, in a loose cocoon. 



L O. Gonostigma, Fal. — Expanse 1;^ inch. Male 

 slender ; fore wings rich chocolate-brown, blotched behind 

 with orange, and with white spots ; hind wings dark brown. 

 Female very stout, almost wingless. 



Antennas of the male short, curved, strongly pectinated, 

 with long curved teeth, the two rows of which incline 

 towards each other ; dark brown. Head tufted with dark 

 brown scales ; thorax and abdomen both slender, dark brown 

 or blackish-brown. Fore wings very short and broad, with 

 rounded costal and dorsal margins ; apex bluntly angulated, 

 and hind margin slightly oblique and straight, curving off to 

 the anal angle ; rich dark chocolate-brown, faintly clouded 

 on the costa with whitish-grey, which lies somewhat in 

 patches, the second patch extending into faint brown lines 

 which enclose and divide a dark brown indistinct spot at the 

 apex of the discal cell ; near the base of the wings is another 

 faint dark brown line placed so as to form a slender ring j 



