264 HYMENOPTERA. 



narrow white fascia on their basal margins, which is widened 

 laterally and is continuous beneath ; the ventral plate of the apical 

 segment a little longer than the upper plate and rounded at the 

 apex, the upper plate terminating in a very acute spine. 



Hab. Port Natal. 



26. CCELIOXYS CARINATA. 



Female. Length 5| lines. — Head and thorax closely and 

 strongly punctured, the face on each side covered with short 

 white pubescence; the clypeus has a central raised carina, its 

 anterior margin subangular. Thorax, the collar and the meta- 

 thorax clothed with white pubescence ; the sides, beneath, the 

 femora beneath, and tibise and tarsi above, covered with a very 

 short white pile ; the apical joints of the tarsi rufo-testaceous ; 

 the wings dark fuscous, the superior wings paler towards their 

 base ; the inferior wings have their basal half hyaline ; the scu- 

 tellum is rounded behind and armed on each side with an angular 

 tooth. Abdomen shining, strongly punctured, the margins of all 

 the segments have a narrow white fascia which expands laterally 

 into broad patches ; the abdomen is rounded at the sides, the 

 sixth segment being suddenly narrowed, forming an elongate 

 acute spine, the lower plate rather longer than the upper, which 

 has an elevated carina towards its apex, on each side of which it 

 is rugose. 



Hab. Port Natal. (Coll. W. W. Saunders, Esq.) 



27. CCELIOXYS TORRIDA. B.M. 



Female. Length 8 lines. — Black, head and thorax very closely 

 and finely punctured, an elevated carina passing from the anterior 

 stemma to the base of the clypeus, channeled above; the face 

 on each side covered with white pubescence, that on the clypeus 

 very short and fuscous towards the anterior margin. Thorax, a 

 delicate impressed line down the centre extending to the base of 

 the scutellum, the punctures on the disk confluent running into 

 striae ; a line of white pubescence on the collar, another over the 

 tegulae, a third along the base of the scutellum ; the metathorax 

 covered and having a tuft on each side, another on the tubercles, 

 and the whole thorax beneath thinly covered with short pubes- 

 cence of the same colour ; the legs are covered with a short white 

 pile most dense and glittering above; the wings at their base 

 hyaline, their apical half dark fuscous having a purple lustre ; 

 the scutellum rounded behind and armed laterally with stout 

 curved tooth. Abdomen elongate, the apical segment long and 

 spiniform ; on each side of the basal segment a patch of snow- 



