1 62 LEPIDOPTERA. 



off toward both margins of the wing. Hind wings dusky 

 white, with the whole pattern of the upper side obscurely 

 visible except that the dark marginal band possesses another 

 large excavated pale blotch. Body white ; legs whitish-: 

 brown. 



Not very variable, but examples from the New Forest 

 district of Hants are rather smaller and darker in colour and 

 also more strongly marked than those from the Eastern 

 Counties. In the collection of Professor Meldola is one in 

 which all the usually black markings of the hind wings are 

 of a glossy light red ; it was taken in Essex. 



On the wing in June and July. 



Larva moderately stout, thickest at the middle segments, 

 tapering a very little towards the head, and rather more 

 towards the anal extremity, with a sudden slope down on the 

 back from the middle of the twelfth segment, the thirteenth 

 being rather elongated and the anal prolegs extended behind 

 it ; the head, which has rounded lobes, can be partially with- 

 drawn into the second segment, its colour is green or pale 

 pink, freckled with black or brown on the crown of each lobe ; 

 ground colour of the body varied, straw-colour, light drab, 

 greenish-ochreous, full green, brilliant yellowish-green, rather 

 glaucous-green, olive-green, rose-pink or deep purplish- 

 brown ; dorsal line a fine thread of the ground colour enclosed 

 between two much darker lines, which commence on the 

 third segment and thicken gradually as they approach the 

 middle of the body, whence they, by degrees, narrow again ; 

 on either side of the back run two pairs of longitudinal, 

 rather meandering lines, a little darker than the ground 

 colour ; the subdorsal stripe, of uniform width, is either white 

 throughout, or white on the second segment and afterwards 

 pale yellow, or becoming faintly tinged with the ground 

 colour, or else greenish throughout ; immediately beneath 

 this conspicuous stripe is a broad longitudinal band of ground 

 colour, greatly filled up with darker, its upper edge the 



