DELTOIDES. 299 



by a curved brown streak at the end of the discal cell ; along 

 the extreme hind margin is a slender brown line ; cilia pale 

 brown. Hind wings rounded, smoky- white ; in the middle 

 is a faint transverse smoky-brown shade or line, and near 

 the hind margin another, edged outwardly with white ; cilia 

 pale smoky-brown. Female very similar, a little smaller, 

 with simple antennas, and fore legs untufted and complete ; 

 body hardly stouter but more pointed. 



Underside of the fore wings pale smoky-brown ; a white 

 spot lies in the discal cell ; beyond it, in the middle of the 

 wing, is a slender, transverse, brown line ; costal and hind 

 margins dusted with brown and pale yellow. Hind wings 

 brownish-white, dusted with yellow-brown ; central spot 

 small, brown ; beyond it is a curved transverse brown line ; 

 another, incomplete, lies near the anal angle. Body and legs 

 pale brown. 



Apparently not variable. 



On the wing in June and July. 



Laeva rather more than half an inch loug; head round, 

 smaller than the second segment, dark brown, reticulated 

 with darker, and without gloss ; body moderately stout and 

 cylindrical, tapering a very little toward the head and at the 

 anal segment ; dingy pinkish-grey, faintly freckled with 

 darker ; on the second segment is a small, semilunar, dark 

 brown velvety plate, divided in the middle of the back by a 

 line of the ground colour ; dorsal stripe not very visible till 

 the fifth segment, from which it is continuously broad and 

 conspicuous, blackish, rather widened in the middle of each 

 segment, and becoming narrower on the last two ; subdorsal 

 lines darker than the ground colour and a little broken ; 

 along the spiracular region lies an interrupted line of dark 

 freckles, the spiracles themselves being black and nearly 

 round ; raised dots small and black, each in a ring of clear 

 ground colour and bearing a fine hair ; undersurface a little 

 paler than the back and without freckles ; legs tipped with 



