HIPPOTION. 41& 



black, on segment 5, and a similar but smaller ocellus on 6. 

 3rd instar. Head green, body pale bluish-green ; a large ocellus 

 on 5, yellow with an oval green pupil, edged narrowly with 

 black above and below, green at front and back, the green 

 pupil containing several round white spots ringed with black ; 

 a much smaller ocellus on 6, oval, pale yellow edged narrowly 

 with black above and below, green at front and back ; a broad 

 dorso-lateral stripe from 6 to base of horn, pale with black 

 specks above and below it ; body dotted with white below this 

 stripe. Horn very long, tapering slightly to near tip, where it 

 becomes thicker again, colour black with reddish base, and 

 covered with small black tubercles ; legs red. 4th instar. 

 Green or brown ; the green form as in the 3rd instar. Brown 

 form : head pale brown, body darker brown ; a narrow, dark 

 dorsal stripe ; a pale dorso-lateral stripe from segment 2 

 to base of horn, broken at the ocelli, and continuing from base 

 of horn to tip of anal flap ; ocellus on 5 yellow with an oval 

 black pupil which contains some round bluish spots, the 

 whole ringed with black ; the ocellus on 6 similar but smaller 

 and the yellow of a darker shade ; short dark lines on the 

 secondary rings on 7 to 11 above and below the dorso-lateral 

 stripe ; white oblique stripes on 5 to 11. Horn as in 3rd instar. 



5th instar. Head broadly semi-elliptical ; true clypeus an 

 equilateral triangle, one-half length of head ; false clypeus 

 forming a semi-elliptical arch over the apex of true clypeus, 

 reaching to two -thirds length of head ; labrum one -half 

 length of clypeus ; ligula slightly longer than labrum, lobes 

 broadly rounded ; cutting-edge of mandible toothed ; eyes 

 1 to 4 in a slight curve, 6 in line with 3 and 4 ; 5 nearer to 4 than 

 to 6 ; 1 to 4 equidistant, 6 slightly further from 4 than 3 is 

 from 4 ; 5 much smaller than the rest. Surface of head dull 

 and smooth. Body shaped as in others of the genus ; dull 

 and smooth, no visible hairs. Horn straight, of medium 

 length, stout at base, tapering evenly to a blunt tip ; covered, 

 except at base, with small tubercles directed distad. 



Green form (PI. V, fig. 3) : head green, labrum and ligula green; 

 basal segment of antenna green, other segments brownish ; 

 mandible green, tip narrowly dark reddish-brown ; eyes brown 

 except 5, which is black. Body grass-green ; an obscure, darker 

 green dorsal stripe ; ocellus on 5 longitudinally oval, primrose- 

 yellow with a large oval, dark green pupil, the dark green 

 pupil containing five or six round, bluish or pale green dots ; 

 the whole edged narrowly with black ; the ocellus on 6 half 

 as long and as broad as that on 5, yellow edged with black, 

 without the green pupil ; a white dorso-lateral stripe from 

 6 to base of horn, this stripe sharply defined above, lower 

 edge diffuse ; on 7 to 1 1 a number of short, black fines across 

 the secondary rings ; subspiracular region sparsely dotted 



2 e 2 



