446 LT.-COL, C. T. BINGHAM ON THE [Mar. 17, 
261, CERCERIS INSTABILIS, Smith. 
Cerceris instabilis, Smith, Cat. Hym. Ins. B. M. iv. 452,74 ¢ 9; 
id. Jour. Linn. Suc. 370, 6; Sauss. Hym. d. Novara-Reise, 92, 10; 
Cam. Mem. & Proc. Manch. Lit. & Phil. Soc. ser. 4, iii. (1890), 
2ag, 11. 
Cerceris velox, Smith, Trans. Ent. Soc. 1875, 41 ¢. 
This species occurs abundantly in Burma and Sikkim. From 
Ceylon, it is recorded by de Saussure. 
262. CERCERIS HUMBERTIANA, Saussure. 
Cerceris humbertiana, Sauss. Hym. d. Novara-Reise, 97, 4 2; 
Cam. Mem. & Proc. Manch. Lit. & Phil. Soc. ser. 4, iii. (1890), 
249, 10. 
Cerceris rufinodis, Smith, Trans. Ent. Soc. 1875, 41. 
Cerceris viscosus, Smith, Trans. Ent. Soc. 1875, 40. 
263. CERCERIS EMORTUALIS, Saussure. 
Cerceris emortualis, Sauss. Hym. d. Novara-Reise, 98, 20; Cam. 
Mem. & Proc. Manch. Lit. & Phil. Soc. ser. 4, iii. (1890), 248, 4, 
Cameron considers this species as a variety only of C. hum- 
bertiana. 
Genus Puitantuvs, Fabricius. 
264. PHILANTHUS BASALIS, Smith. 
Philanthus basalis, Smith, Cat. Hym. Ins. B. M. iv. 473, 17 2; 
Walk. Tenn. Nat. Hist. Ceylon, ch. xii. 454; Motsch. Bull. Soe. 
Imp. d. Nat. Mose. 1863, 23; Smith, Jour. Linn. Soc. xi, (1867), 
371,5; Cam. Mem. & Proc. Manch. Lit. & Phil. Soc. ser. 4, iii. 
(1890), 248, 6. 
Family CRABRONID &, Leach. 
Genus Crasro, Fabricius. 
265, CRABRO PALITANS, sp. nov. (Plate XV. fig. 6.) 
@. L.11 milim. Exp. 18 millim. 
Black variegated with yellow, the wings hyaline, fore wing 
yellowish brown along the costal margin. 
Head black, broad, quadrate, the mandibles with a yellow stain 
on their outer side, the clypeus covered with dense golden pile, 
more than twice as broad as high, a short perpendicular carina 
down its middle, its anterior margin waved; the antenne with 
the scape yellow in front, the flagellum piceous; the face up to 
the ocelli closely punctured and covered with golden pile; the 
vertex, the back of the head, and behind the eyes smooth and 
shining, with a narrow fringe of golden pile along the orbits. 
Thorax black; a line on the posterior margin of the prothorax, 
interrupted in the middle, a spot on the propleura, a long tri- 
angular mark on the mesopleura, the scutellum, a spot on the 
