THERETRA. 447 



thin and up- curved throughout its length ; segments 4 and 5 

 tumid ; head, ana] flap and claspers bright orange ; body 

 terra-cotta, segments 6 to 12 closely sprinkled with paler dots ; 

 a narrow black dorsal stripe on 2 to 5 ; ocellus on 3 a velvety- 

 black spot ; on 4 transversely oval, pupil primrose -yellow edged 

 narrowly above and below with black, outside which is a cres- 

 cent of lilac above and below, the whole edged broadly with 

 velvety-black ; on 5 much larger transversely oval, the round 

 pupil black, edged broadly with yellow all round and narrowty 

 with blackish above and below ; outside the black a crescent 

 of lilac above and below, the whole edged broadly with 

 velvety-black ; on 6 to 11 slightly smaller, decreasing in size 

 backwards, pupil primrose -yellow running obliquely up and 

 back to nearly reach end of the ocellus, this edged narrowly 

 above and below by blackish followed by the lilac crescent, 

 the whole edged broadly with velvety-black ; horn black, base 

 very shortly orange. 



5th instar. Head dull and smooth ; true clypeus less than 

 one-half length of head, apex acute ; apex of false clypeus 

 widely arched over apex of true clypeus, reaching to a little 

 more than one-half length of head ; labrum one-half length of 

 clypeus ; ligula kidney-shaped ; cutting-edge of mandible 

 obscurely, broadty toothed ; eyes 1 to 4 in a sharp curve, 

 6 in line with 3 and 4 ; the distance between 1 and 2 four times 

 that between 2 and 3, and the distance between 3 and 4 twice 

 that between 2 and 3 ; eye 5 forming an equilateral triangle 

 with 4 and 6, the sides more than twice the distance between 

 3 and 4. Body dull and smooth, shaped as in others of the 

 genus. Horn rather short, thin, tapering evenly to a point, 

 slightly down-curved ; slightly rough, but not tuberculate. 



Green form : head glaucous-green ; labrum brownish- 

 yellow; ligula, antenna and mandible green, the latter 

 with tip brown. Body glaucous-green, segments 6 to 11 

 with a transverse row of brownish -green dots along each 

 secondary ring ; a narrow black dorsal stripe from 2 to base 

 of horn ; the ocellus on 3 a small black spot ; on 4 the small 

 round yellow pupil edged above and below with black ; on 

 5 the ocellus large and nearly round, the longitudinally 

 elongate oval black pupil edged narrowly with blue, then 

 narrowly with dark green, then more broadly with primrose- 

 yellow ; a crescent of lilac above and below, the whole edged 

 narrowly with black ; ocelli on 6 to 11 smaller, decreasing 

 in size backwards, elongate-oval in shape and placed obliquely 

 in continuation of very obscure oblique stripes, pupils primrose- 

 yellow with a crescent of lilac at top and bottom, the whole 

 edged narrowly with black ; ocellus on 12 similar but much 

 smaller. Horn dark purplish ; legs flesh-colour. Spiracles 

 oval, white suffused with degraded purplish in the middle. 



