52 THE ENTOMOLOGIST. 



f in, long. Similar to previous stage, excepting the tubercles, 

 which are of a delicate lilac-pink, bearing black bristles ; head 

 and legs ochreous, former speckled with brown, and a central 

 V-shaped mark and black eye-spots. During the greater part of 

 the day they rest at the base of the plant and under the leaves ; 

 towards evening they ascend the leaves to feed. 



After fifth and last moult, fully grown, it measures about 

 Ij in. long. The body slightly tapers at each end. There are 

 in all sixty-two rather long tubercles (spines), four on the first 

 segment, two on the second, four on the third and twelfth ; on 

 all the remaining segments, fourth to eleventh inclusive, have 

 each six spines ; these run in longitudinal rows, being dorsal, 

 subdorsal, and lateral ; the first pair on the anterior segment 

 are slightly longer than the rest, and project over the head, but 

 curve gently backwards ; the second and third pairs are only 

 slightly curved ; all the other spines are straight. All bear 

 numerous black, shining bristles, and each terminates with the 

 same. The outline of all the spines is undulating, the space be- 

 tween each bristle being convex ; most of the spines are of a 

 semi-transparent, pearly, milk-white colour, with the bases more 

 or less lilac-pink ; those on the first segment are wholly rose- 

 pink, and the succeeding ones gradually become paler, while 

 those on the anal segment are likewise rose-pink ; all have dull 

 rose or lilac-pink bases. The general ground colour of the body 

 is olive-brown, being composed of a cream-coloured ground, 

 finely mottled with dull black, forming an irregular chequered 

 pattern ; the ventral surface is much darker, mostly of a deep 

 olive-brown ; there is a medio-dorsal cream-coloured longi- 

 tudinal stripe, divided by a fine blackish line ; on each segment 

 bordering the stripe is a conspicuous, bold, velvety-black mark, 

 divided in the centre by the dorsal spine ; the anterior portion 

 is quadrangular and posterior half triangular ; a slightly oblique 

 elongated mark below and behind each dorsal spine excepting the 

 first ; along the side is a subdorsal series of dusky markings, 

 bordered on each side by a cream-coloured line forming a wavy 

 band, broken up by the subdorsal spines ; below each of these 

 spines, surrounding the spiracles, are bold black mottlings; the 

 subspiracular spines are situated on the dilated lateral undu- 

 lating ridge, which is dull milky white. The- head is flesh- 

 colour, freckled with brown; eye-spots black; a rose-coloured 

 spot on each side of the crown, which is brown in front, with a 

 central ^-shaped whitish mark outlining the head-pieces. The 

 legs are coloured like the head ; the claspers are rich red-brown. 

 The anal segment terminates in a conical point of a rust- reddish 

 colour ; on the ventral surface of this segment are warty emi- 

 nences clustered with black bristles, as well as on the anal 

 point ; the head and claspers are all bristle-bearing. 



Kiinow's figure of the enlargement of the segment does not 



