NOTODONTIDjE. 113 



black, bordered with white ; fringe brown. Thorax with some cinereous hairs ; 

 abdomen paler ; antenna sHghtly pectinated, serrated towards the tip, simple at 

 the tip. 



" Expanse 18 Hnes." 



Described by Mr. Walker from typical specimens in the collection of Mr. B. L. 

 Layard. The author has not had the opportunity of examining that collection. 



Genus PHEOSA? 

 PHEOSA BASALIS (Plate 121, Fig. 1, S, 1^, larva). 



Forewing with the basal area pale brownish-ochreous, the exterior border 

 olive-brown, the medial area formed by a purple-brown band, the inner border of 

 which is angulated below the cell by a black line and the outer border by a pale line, 

 the band traversed by black streaks ; a row of black dots along exterior border : 

 hindwing pale olivaceous-brown, palest at the base ; a small black lunular mark at 

 anal angle. Thorax pale brownish-ochreous, abdomen purplish-brown ; palpi black. 



Expanse \\ inch. 



Larva pale greenish-white above, green below, with pale green oblique lateral 

 lines, a straight narrow grey-bordered yellow dorsal line, and a minute red tubercle 

 on twelfth segment ; head black lined ; legs green. 



Genus SPHETTA. 

 Sphetta, Walker, Catal. Lep. Het. B. M. xxxii. p. 457 (1865). 



Male : forewing elongated, apex pointed, exterior margin slightly convex, 

 posterior margin long ; cell long, extending two-thirds the wing, apparently with a 

 very slender forked discoidal veinlet within the cell ; first subcostal branch emitted 

 at one-half before end of the cell, second at one-fourth, trifid ; fifth from end of the 

 cell, ascending and joined by a short spur to third near its base ; discocellular bent 

 at each end, radials from the angles ; middle median at one-fifth and lower at two- 

 fifths before end of the cell : submedian recurved : hindwing short, exterior margin 

 oblique and convex ; cell short, not extending to half the wing, apparently with a 

 slender discoidal veinlet within the cell ; subcostal arched to end of the cell, two 

 subcostal branches on a footstalk one-fifth beyond end of the cell ; discocellular 

 concave, radial from the middle ; two upper medians from acute angle at end of the 

 cell, lower at one-third before the end; submedian and internal straight. Body 

 moderately stout, abdomen extending beyond hindwings, tufted at apex ; palpi 

 slightly ascending and extending to level of vertex, second joint long, laxly squamose 

 beneath, third joint short, somewhat cylindrical; proboscis exserted; antennge finely 

 bipectinated ; legs pilose, hind tibige with four spurs. 



VOL. 11. Q 



