Genera and Species of llymenoptern. 505 



sliaped mark on tlie front, the eye-incision, an<l the pi^torior 

 orbits yellow. Vertex closely, the front aoinowh.it nure 

 witlely punctured. Clypous wider than long, its sides 

 roundly curved; the apex with a shallow incision. Min- 

 dibles yellow, the apex broadly rufous. Th )rax blaclc ; a 

 broad mark on the sitles of the pronotum (the tW() almost 

 touching), the teguhu, a large mark under thi; tegulie, the 

 scutellums, and the sides of the median segment broadly, 

 yellow. Fro- and mesothorax closely and strongly punctured, 

 the upper basal slope of the pronotum, the base and apex of 

 the mesopleurte, the base of the metapleurai, and the middle 

 ot the metanotum smooth ; the punctuation on the median 

 segment is slight, its centre is broadly and slightly hollowed 

 and is keeled down the middle. Legs yellow; the anterior 

 coxa; entirely, the four posterior behind, the anterior feaiora 

 at the base behind and the posterior entirely (except at the 

 ape.\), black; the four posterior tibi.*^ are marked with black 

 behind. AVings fuscous-hyaline, the ajjex violaceous ; the 

 second cubital cellule much narrowed above, scarcely one 

 fifth the length of the tiiird. Abdomen black; the apical 

 half of the petiole broadly at the nodes and the apex entirely, 

 a large irregular mark (wider than long) on the sides of the 

 second segment, its apex broadly, widest in the middle, the 

 apex of the third to Ht'th,and the sixth broadly in the middle, 

 yellow. On the second segment Ijcneath are two yellow 

 marks; its apex and that of the third broadly yellow. 



The male is similarly coloured ; there is less black on the 

 legs ; the yellow mark on the front is prolonged between the 

 antennje as a short streak; the llagellum is black, except 

 at the apex ; the yellow on the scutellum is narrowed and 

 incised in the middle. 



Odynerus Antoni, sp. n. 



Niger, dense albo-pilosus ; basi clypei, linea prorioti liueaque abdo- 

 minis scgraeiitis 1" at 2" rufis ; alia fusco-violaceis. cf • 

 Long. 7 mm. 



JIab. Barrackpore {fiol/iney) . 



Antenna; entirely black, except the apical claw, which is 

 brownish ; it is thick and reaches to the base of the eleventh 

 joint. On the head, the base vl the clypeus broadly, a mark 

 between the antennie, and a small mark behind the eyes are 

 brick-red ; the front and vertex are closely and strongly 

 punctured and covered with long white hair ; tlie keel between 

 the antenna3 is stout, ('lypeus roundly convex, sparsely 

 punctured, thickly covered with white, somewhat depressed 

 pubescence; its apex depressed and slightly roundly incised 



