148 ZYG.ENID.E AND BOMBYCID^ 



S. ?. — Head and prothorax dark purplish brown, with many 

 metallic blueish scales. Palpi paler, Patagia white. Thorax white, 

 with a broad median stripe concolorous with prothorax. Abdomen 

 yellow ochre, with a dorsal series of tufts concolorous with prothorax, 

 the basal tuft large, the others rapidly diminishing in size towards the 

 tip. Abdomen beneath, yellowish with a lateral series of black spots. 

 Fore legs white, tibial tuft dusky; other legs dusky. 



Anterior wings white with a broad marginal outer band of a rich 

 purplish chocolate color, margined internally with a narrow olive 

 green band, which is pale centrally. In this band on the outer margin, 

 there is a very narrow sinuate blueish white line, supplemented in- 

 wardly with a few powdery blue scales. A dusky reniform discal spot, 

 pale olive green centrally. The costa from the base to this reniform 

 spot is broadly margined with rich chocolate brown, dusted with pale 

 blue scales, and dnged inwardly with olive green. On the inner mar- 

 gin is a yellowish olive green cloud, dusky centrally, and slightly pow- 

 dered with pale blue scales on the inner margin. Fringes dusky, palest 

 at the base. 



Secondaries clear pale ochre yellow, with a broad outer marginal 

 band, rather narrower than that on the primaries, of rich chocolate- 

 brown. This band dies out before reaching the apex, and incloses a 

 narrow sub-marginal pale blue sinuate line. Inside this outer band 

 and close to it, is an indistinct concolorous narrow line, most strongly 

 marked on the inner margin. Fringes whitish tipped with chocolate. 



Beneath, all the wings are clear pale yellow ochre. Fringes white, 

 tipped very faintly with brown. There is a brownish black discal spot 

 on the secondaries ; and on the primaries the reniform spot is distinct 

 and blackish, and there is a smaller, rounded, similarly colored spot 

 on the discal area slightly nearer the base. The costa is also blackish 

 at the base. 



Expanse of Wings, 1.75 inches ; lenglh of body, 0.70 inch. 



Habiiai. — Massachusetts (Harris). Vermont (Putnam). New York 

 (Fitch). Missouri (Riley). 



Larva. — The following description is from Harris' correspondence, 

 p. 306. " Entirely naked, pale sky blue ; the head, a transverse band 

 on each segment, except the last, which has two, anal valve and all the 

 feet orange colored ; head, bands and feet spotted with black, and on 

 each segment six narrow, transverse lines, two of which are contiguous 

 to the band on each side. When at rest this caterpillar elevates the 

 third and fourth segments very much, and depresses the head. There 



