108 A Visit to Damma Island : 



testaceous. It appears undesirable to describe the species 

 as new from female specimens only. 



Scoliidse. 



Dielis cultratay sp. n. 



Long. corp. 14 millim. 



Female. — Deep black, very shining, the hair mostly black, 

 except on the lower part of the face, where It inclines to 

 cinereous, and some of the hairs on the body and legs are 

 tipped with cinereous. Face and thorax densely punctured, 

 but the vertex, the centre of the mesothorax, the sides of the 

 scutellum and postscutellum, and the hinder part of the meta- 

 tliorax, which is tuberculate in the middle, almost smooth. 

 Abdomen slightly iridescent, the segments punctured in front 

 and the first also behind ; the following segments mostly only 

 with a row of bristle-bearing punctures before the extremity. 

 Legs very bristly, strongly punctured on the upper surface ; 

 hind femora with a smooth ferruginous knife-like plate at 

 the extremity beneath (as In other allied species). Wings 

 subhyaline, with a strong violet reflection ; Inner recurrent 

 nervure of front wings bent at nearly a right angle. 



Agrees nearly with the description of D. micans, Guer., 

 from Bouru, but smaller and with the costa not ferruginous. 



Eumenidae. 



Eumenes arcuata^ var. 

 Vespa areuata, Fabr. Syst. Ent. p. 371. n. 40 (1775). 



The thorax In the specimen from Damma Island is black, 

 with detached yellow spots, and the yellow colouring on the 

 petiole and abdomen is rather more extended than usual. 



Common in the Indian and Indo-Malayan regions. 



Eumenes Walkeri^ sp. n. 



Long. Corp. 25 millim. 



Female. — Black, varied with yellow. Head black ; clypeus 

 rather long and narrow, yellow, emarginate below, the extre- 

 mities rather pointed ; a yellow stripe below the antennae, 

 extending to the orbits, and produced upwards between the 

 antenna? into a somewhat pear-shaped spot above them ; the 

 orbits beyond the antennoe and the emargination of the 

 eyes filled up with yellow, the black space below the ocelli 

 connected with the black vertex, but descending In a horse- 

 shoe form to the black antennal tubercles, strongly punc- 



