446 LT.-COL. 0. T. BINGHAM ON THE [Mar. 17, 



261. Cbeceeis instabilis, Smith. 



Cerecris instabilis. Smith, Cat. Hym. Ins. B. M. iv. 452, 74 cf 2 ; 

 id. Jour. Linn. Soc. 370, 6 ; Sauss. Hym. d. Novara-Eeise, 92, 10 ; 

 Cam. Mem. & Proc. Manch. Lit. & Phil. Soc. ser. 4, iii. (1890), 

 249, 11. 



C'erceris velox, Smith, Trans. Ent. Soc. 1875, 41 J . 



This species occurs abundantly in Burma and Sikkim. From 

 Ceylon, it is recorded by de Saussure. 



262. Cbeceeis humbbetiana, Saussure. 



Oerceris Immhertiana, Sauss. Hym. d. Novara-Eeise, 97, 4 ? ; 

 Cam. Mem. & Proc. Mauch. 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. Cbeceeis bmoetualis, Saussure. 



Oerceris emorlualis, Sauss. Hym. d. Novara-Eeise, 98, 20; Cam. 

 Mem. & Proc. Manch. Lit. & Phil. Soc. ser. 4, iii. (1890), 248, 4. 



Cameron considers this species as a variety ouly of C. hum- 

 hertiana. 



Genus Puilantiius, Fabricius. 



261. PlIILANTHUS BASALIS, Smith. 



Philanthus basalis, Smith, Cat. Hym. Ins. B. M. iv. 473, 17 2 i 

 Walk. Tenn. Nat. Hist. Ceylon, cb.'xii. 454 ; Motsch, Bull. Soc. 

 Imp. d. Nat. Mosc. 1863, 23; Smith, Jour. Linn. Soc. xi. (1867), 

 371, 5 ; Cam. Mem. & Proc. Manch. Lit. & Phil. Soc. ser. 4, iii. 

 (1890), 248, 6. 



Family CeabeoniDjE, Leach. 

 Genus Ceabeo, Fabricius. 



265. Ceabeo palitans, sp. nov. (Plate XV. fig. 6.) 



$ . L. 11 millim. 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 antennae with 

 the scape yellow in frout, the flagellum piceoua ; the face up to 

 the ocelh 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. 

 Tliorax black ; a line on the posterior margin of the prothorax, 

 interrupted in the middle, a spot on the propleurse, a long tri- 

 angular mark on the mesopleuraa, the scutellum, a spot on the 



