460 SPHINGIDJE. 



instar. Green form : head pale yellowish -green, body very pale 

 green dotted with white ; ocellus on 5 with a black pupil edged 

 broadly with enamel- white, suffused with blue at the edge of 

 the pupil, the whole edged narrowly with black behind ; horn 

 as in 3rd instar. Dark-coloured form as in 3rd instar. 



5th instar. Head dull and smooth ; true clypeus one-half 

 length of head, apex acute, sides curved outwards near base ; 

 false clypeus narrow, apex narrowly arched ; labrum one- 

 half length of clypeus and as broad as clypeus ; ligula circular 

 except for the sinus ; surface longitudinally furrowed ; mandible 

 with cutting-edge toothed and furrows running back from the 

 intervals between the teeth ; eyes 1 to 4 in a quarter circle, 

 1 to 3 equidistant, 3 and 4 a little further apart ; 6 in line with 



3 and 4 and slightly further from 4 than 4 is from 3 ; 5 and 4 

 making a right angle with 4 and 6, and 5 as far from 4 as 4 is 

 from 6. Body shaped as in others of the genus, segments 



4 and 5 much swollen ; surface dull and smooth, but looking 

 somewhat greasy. Horn of medium length, stout at base, 

 tapering gently to near tip, then narrowing sharply to a point ; 

 gently down- curved ; surface dull and covered with very 

 small tubercles, except the tip, which is smooth and shining. 



A dark- coloured form only. Head brownish-black ; labrum 

 and ligula fuscous ; basal segment of antenna the same, 

 other segments pale rusty. Body : segments 2 to 4 and front 

 half of 5 pale brown in dorsal area, dark brown in lateral area, 

 4 and front half of 5 speckled and mottled with pinkish- 

 brown ; hind half of 5 and 6 to 12 plumbeous or pale purple, 

 with numerous short dark purple stripes across the secondary 

 rings above the line of the spiracles, marked with grey and 

 black patches below that line ; a narrow dark brown dorsal 

 stripe from 2 to 6 ; an ochreous or pale pinkish-brown dorso- 

 lateral stripe on 2 to 5 ; a broad ochreous subspiracular stripe 

 on 4 and 5 ; a shortly oval, slightly oblique dorso-lateral 

 ocellus on 5, the oval, velvety-black pupil edged narrowly 

 with dark ochreous and then with black ; a small black patch 

 above and touching each spiracle on 6 to 12 ; seven pale 

 pinkish-brown oblique stripes on 5 to 1 1 , starting at the spiracle 

 and running up and back to the dorso-lateral line. Horn 

 plumbeous with black tubercles ; legs pale yellowish ; pro- 

 legs, anal flap, claspers and venter black. Spiracles oval, 

 slightly pointed at each end, dull yellowish-white suffused 

 with fuscous patches. Length 70-80 mm. ; breadth 10 mm. ; 

 horn 5 mm. 



Pupa. — Shape similar to that of others of the genus, but the 

 eye -case very prominent laterally ; head small, segment 2 

 becoming suddenly of greater diameter ; tongue-sheath 

 prominent frontad and ventrad, semicircular in side-view ; 

 antenna reaching to about one-half, fore leg to between one- 



