CHRYSOPHANUS DISPAR. 447 



is rather marked all round in this larva. In most points of view, this 

 flange looks paler than the rest of the larva, merely, however, because 

 its marginal character prevents it having a background of the internal 

 viscera of the larva. The prothoracic spiracle is in the sulcus, the others 

 are well above it, that of the 7th abdominal a little more dorsal than 

 the others, but the 7th and 8th are not at all markedly dorsal as in some 

 Lycaenid larvae. The 7th and 8th abdominal spiracles are largest, 

 forming light brown rings, the largest about O'OSmm. in diameter. 

 In a dorsal view, the margin (flange) is fairly continuous, each 

 segment only a little rounded, and incisions narrow. On the 

 dorsum (side view) each segment is similarly, only slightly, rounded, 

 giving a fairly continuous dorsal line, highest at the 3rd thoracic 

 or 1st abdominal, and fairly level to the 6th and 7th abdominals, falling 

 in this length very little. Nearly fullg row n: A last stage larva, nearly 

 fullfed, is 20mm. long, widest at the 2nd abdominal segment, 6mm., 

 narrowing thence pretty regularly in each direction ; 3'5mm. across at 

 posterior border of prothorax, and the same at the middle of the 8th ab- 

 dominal. An examination of this larva raises a doubt, or more than a 

 doubt, as to whether the smaller larva just described is not in same instar 

 as this one, the close setting of hairs and white points making it practically 

 impossible that it can grow and separate these as in this specimen, and yet 

 have room for another moult. This one has only about 18 or 20 white 

 points to a square millimetre, and they are much more easily seen, each a 

 small globe, covered with a very close setting of sharp points, which, 

 nevertheless, have a soft curved look. No trace of dorsal glands. 

 This large larva has quite got rid of the sulcus above the lateral flange; 

 the surface is smoothly continuous across dorsum, and there is only the 

 slightest convexity to each segment, either along the dorsal or lateral 

 line (Chapman). Final instar (fullgrown) : Length at rest 21mm., 

 outstretched 25mm., width 6-5mm., height 5mm. Colour, pale 

 yellowish-green, dorsal vessel and lateral flange darker. Spiracles 

 light brown, ringed with dark brown. Pit on prothorax grey, central 

 line of pit bluish-grey. Head pearly-grey. Ocelli black. Jaws 

 brown with a pink tinge. Thoracic legs grey, tipped with a brown 

 hook. Ventral and anal claspers pale green. The venter is blue- 

 grey, and unspotted, contrasting strongly with the green colour of the 

 rest of the larva. The whole surface of the larva, except the venter, 

 is thickly sprinkled with white dots, and is, besides, covered with very 

 short down, mostly whitish, but brown on the thorax, especially on 

 the prothorax and round the edge of the flange, where it assumes an. 

 almost red tinge. This gives the larva a soft velvet-like appearance. 

 Lateral view : The head is exceedingly small, and capable of being 

 entirely withdrawn into the prothorax, which hangs over it like the 

 eaves of a thatched roof. The lateral flange is very heavy, and is con- 

 tinuous all round the larva. Thus the dorsum of the larva combined 

 with the flange forms, as it were, a complete roof, its eaves being 

 formed by the overhanging prothorax, the anal flap, and the lateral 

 flange. When at rest the head, legs, ventral and anal claspers, are 

 absolutely hidden under the roof, for its eaves come closely down 

 to the surface on which the larva lies. The incisions of the segments, 

 between the metathorax and 1st abdominal segment, and between the 

 other abdominal segments, up to the 7th, are well marked on the dorsum, 

 but those of the thorax, and the 8th, 9th, and 10th abdominal seg- 



