208 BRITISH BUTTERFLIES. 



of metathorax, which is a very narrow segment. The length of the 

 segments dorsally are about as follows : Dorsal part of head 02mm., pro- 

 thorax06mm., mesothorax2'4mm., metathorax 04mm., lstabdominal 

 08mm., 2nd abdominal 1-Omm., 3rd abdominal l'3mm., thereafter get- > 

 ting narrower again. The general surface has a sculpturing of minute 

 transverse waved ridges, anastomosing freely, and scattered over it are 

 a good many very minute (microscopic) hairs, apparently colourless, 

 their length 0-03mm.-0-04mm. ; these also occur in the inner eye area, 

 but not on the appendages, which have similar sculpture, but the waves 

 tend more to an arborescent character, as well as being more and less 

 pronounced on consecutive areas. The anal scar is very marked, two 

 large bosses facing posteriorly, being below the hollow of the cremastral 

 spine. On the 9th abdominal are two small rounded elevations, with 

 incision between — the specimen is a female, but the posterior margin of 

 the 8th abdominal is hardly notched, and the foveola on the 8th abdominal 

 is small and close to posterior margin, and so inconspicuous that the 

 specimen was, I see by my notes, supposed, before imago emerged, to 

 have been a male. The cremastral hooks very numerous, crowded 

 together, at the lower angle of end of spine. Each is nearly 

 0*25mm. long, with a curl of a complete circle at its tip (Chapman. 

 Description made from the empty pupa-case of the pupa noted 

 above as having been examined alive, March 21st, 1894). The 

 pupa is 15mm. in length, fairly cylindrical, but tapering to anal 

 segment. Dorsal view : The head, pointed in front, in the form of 

 a short conical beak, 1mm. long. The eyes are rather prominent ; 

 the thorax is swollen in the middle, the widest part, and then 

 gradually tapers towards the last segment, which is elongated and 

 flattened; the back of the abdomen almost hollow, curving up again at 

 tail. The anal end rounded, but continued as a flat cremastral spike, 

 set at the tip with a dozen or more curled spines of different lengths. 

 The colour on the back creamy-white, with a very dark brown thin 

 central line from the head-spike nearly to the tail, a subdorsal line of 

 pale buff bordered with reddish-brown, and then a shorter buff line 

 edged below again with reddish-brown ; the wing-cases and ventral 

 surface pale flesh-colour, faintly tinged with dusky, the straight tongue- 

 case dark brown. Lateral view : The beak is slightly upturned, the 

 thorax convexed, and the segment next the thorax rather swollen in 

 the middle, so forming a rather decided depression at the base of the 

 thorax, where the silken cord passes round ; the body gradually 

 tapering to the last segment, which terminates in a long compressed 

 curved process furnished Avith long hooks ; the wing-cases extend down 

 two-thirds its length, and are only very little, if at all, swollen ; the 

 antennae and legs are but feebly modelled ; the tongue is well-defined, 

 dusky at the base, blending into black at the apex ; the colour is 

 of a very pale primrose-yellow, shading into pearly-grey, and semi- 

 transparent on the head, wings and flap ; a dark mediodorsal line 

 commences at the base of the beak and passes down the entire length, 

 gradually fading off in the anal extremity ; it is blackest on the head 

 and first abdominal segment, and palest on the thorax, where it is light 

 brown ; there are two rust-red subdorsal lines, which run parallel from 

 the base of the antenna? to the last segment ; another similar line, 

 united along the inner margin of the wing, passes over two spiracles, 

 and these run parallel with the subdorsal lines, passing just above the 



