LAREXTID.K—LITHOS TEGE. 41 1 



tliicker; the fore wings shorter, ami the stripe, when present, 

 a little moi'e definite ; hind wiugs also shorter. 



Underside of the fore wiugs smoky brownish-white, with 

 the uervures rather lirowuer; hind wings creamy-white. 

 Body and legs shining dark grey, dusted with yellowish- 

 white. 



Not very varialile — a little so in the degree of grey or 

 brownish-grey dusting of the fore wiugs, and in the darker 

 specimens having a smoky-brown tinge over the hind wings. 

 In the collection of Mr. 8. J. Capper is a specimen tinged 

 with yellow. 



On the win"- at the end of Ma\' and in -Tune. 



Larva rather slender, flattened lieneath, of uniform Ijulk 

 throughout; head large and rounded, olive-green; colour 

 variable — (J round colour all over dull olive-green except the 

 spiracular region, which is pale 3'enow ; dorsal line very 

 slender, a darker tint of the ground colour ; sometimes there 

 is a similar line on either side of it. or else a series of olive- 

 brown or purplish wedge-shaped dashes just before each 

 segmental fold ; subdorsal line greenish-grej' with darker 

 edgings ; spiracles black ; just above and behind them, in the 

 yellow spiracular stripe, are sutt'used blotches of the colour of 

 the dorsal wedges, 



Or — (iround colour of a fresher, more yellowish-green ; 

 dorsal region full green ; spiracular region yellowish ; and 

 the blotches in it of a darker purplish tint, and more clearly 

 dehned. 



Or — (i round colour greenish-white, with three very fine 

 purplish-brown or blackish lines down the back, of which the 

 mitral one becomes wider and darker just heforr each seg- 

 mental fold, and the other two across the fold ; sometimes 

 these lines are interrupted, apjiearing only in the thickened 

 parts ; sometimes again they are all united by a transverse 

 band just before the segmental fold ; subdorsal lini^ paler 

 •than the ground but edged below with the dark colour;- 



