154 SPHINGIDiE. 



cloud and the apical patch. Hind ^ wing upperside as in 

 phalaris, but the basal area darker chestnut. Underside as 

 in phalaris, the transverse lines of fore wing less distinct ; 

 middle line of hind wing close to proximal line, the interspace 

 partly filled up with scaling of the same colour as the lines. 

 Expanse : <? 128-132 mm., $ 128-148 mm. 



<£. Tenth abdominal tergite (fig. 28 G, H) very broad, 

 apex very broadly but not deeply sinuate, the two lobes slender, 

 strong, pointed, curved downward, forming a hook ; sternite 

 rounded. The harpe (fig. 28 I) consists of a curved subventral 

 ridge, distally produced into a broad, strongly chitinized flap 

 with irregular teeth at the edge, the flap curving proximad ; 

 the dorsal process of clasper short and very broad, and bears 

 scarcely any setiferous tubercles, the few bristles at its edge 

 being nearly all inserted in the usual way in punctures ; the 

 interspace between harpe and dorsal process filled up with 

 very high and very thin laniellse of the inner membrane of the 

 clasper ; ventral edge of clasper clothed with short bristles. 



$. The eighth abdominal tergite strongly chitinized, long, 

 very feebly bi-emarginate, projecting, the angles strongly 

 rounded, the sides convex. Vaginal plate (fig. 28 J) short, 

 a short curved ridge in front and at sides of orifice, post- 

 vaginal part of plate truncate, with, the angles strongly rounded 

 and the sides slanting. 



Hab. E. Himalayas (Sikkim ; Khasi Hills), S. India (North 

 Kanara District) and Burma. We have bred it in the North 

 Kanara District, where it is scarce and local, larvae being- 

 found only in forests with rainfall of over 100 inches and 

 up to 1,000 feet elevation. 



Larva : — 



Final instar. Head large and deep, broadly semi -elliptical in 

 shape ; true clypeus less than one-third length of head, 

 basal angles tumid ; false clypeus showing as a narrow strip 

 near basal angles of true clypeus, widening upwards, apex 

 acute ; labrum one -quarter length of clypeus, not as broad 

 as clypeus ; ligula longer than labrum but not so broad, 

 kidney-shaped ; eyes very small, nos. 2, 3, 4 and 6 nearly 

 in a straight line, 3 one eye -diameter from 2, 4 two diameters 

 from 3, 6 four diameters from 4 ; 5 two diameters from 4 

 and five diameters from 6. Surface of head moderately 

 shining, superficially, coarsely corrugate and set with small, 

 hemispherical, shining, setiferous tubercles and scattered, 

 still smaller tubercles ; clypeus coarsely, transversely corru- 

 gate. Body stout and nearly cylindrical. Horn a conical 

 tubercle about 1 mm. long. Surface of body dull ; a transverse 

 row of small tubercles along each secondary ring ; a transverse 

 roAv of larger tubercles along the front margin of segment 2 ; 



