TRIFIDM. <\m 



Abroad its range is very wide — Central and Eastern 

 Europe, Holland, Belgium, South Sweden, Finland, Lapland, 

 Northern Italy, Southern Kussia, Eastern Asia, Greenland, 

 Labrador, British Columbia, Canada, Northern and Eastern 

 United States, and Colorado. It has even been captured on 

 the Atlantic, more than 200 miles from the American coast. 

 Of the variations already mentioned black forms are obtained 

 from Silesia and the Hartz Mountains, pale grey from 

 Hungary, very well marked grey from Russia. 



3. E. satura, Hvh. ; porphyrea. Stand. Cat. — Expanse 

 If to If inch. Fore wings glossy rich purple-brown, 

 marbled with black ; two upper stigmata and a large blotch 

 near the dorsal margin light purplish-red ; hind wings 

 golden brown. 



Antennge of the male finely serrated and ciliated, brown ; 

 palpi broadly tufted, rich purple-brown, apical joint very 

 small ; head purple-brown ; collar at the base paler, bounded 

 by a doubly curved black bar, behind which the collar is 

 deeper purple-brown and edged with hoary-grey ; shoulder 

 lappets raised, purple-black ; remainder of thorax light 

 purple-brown, the crests at the top and back faintly mottled 

 with dusky-yellow, fascicles large, smoky-yellow ; abdomen 

 dull purplish-brown, the basal segments covered with long 

 smoky-yellow scales, which include, or partly conceal, on 

 the dorsal ridge, from three to five tufts or dorsal crests 

 each tipped with purplish-black ; lateral and anal tufts 

 broad, tinged with red. Fore wings rather broad; costa 

 regularly rounded ; apex sharply angulated ; hind margin 

 below it straight to the middle, then broadly elbowed and 

 rounded off to the anal angle ; dorsal margin gracefully 

 curved ; colour purple-brown marbled with black ; basal line 

 obscure, black, bordered with light purple ; much angulated, 

 arising on the costa, but at the median nervure bending in to 

 the base ; beneath this is a black blotch on the dorsal 

 margin ; first line black, duplicated, formed of a double 



