HYMENOPTERA. 265 



white pubescence notched within, a narrow hne on the basal 

 margins of the following segments expanding laterally into a 

 broader fascia equally covering apical and basal margins; the 

 second and third segments have towards their base laterally a 

 short curved line of white pubescence ; the whole abdomen finely 

 punctured, most strongly so towards the base ; the apical segment 

 beneath im])unctate, except a few delicate punctures at the base. 



Hab. Sierra Leone. (The Rev. D. F. Morgan.) 



28. CCELIOXYS AURIFRONS. B.M. 



Female. Length 3i lines. — Black ; head and thorax very 

 coarsely punctured, the face densely covered with golden pubes- 

 cence. Thorax, the wings subhyaline, darkest towards their 

 apical margins, the tegulse and nervures rufo-testaceous ; the 

 legs red ; the femora beneath, and the tibiae and tarsi above, 

 covered with a short white pile ; the sides of the metathorax 

 covered with white pubescence ; the scutellum slightly rounded 

 behind, and armed on each side with a stout bent tooth. Ab- 

 domen shining, covered with scattered punctures, most strongly 

 so towards the base ; all the segments have a naiTow fascia of 

 white pubescence on their apical margins, more or less inter- 

 rupted in the centre; each segment has at the sides towards 

 the base an impressed line ; the apical segment is armed on 

 each side with an acute spine, and with fom- at the apex all acute, 

 the two lower spines being longer than the upper ones ; beneath 

 the abdomen is fen-uginous at the base, and at the apex of the 

 other segments. 



Hab. Sierra Leone. (The Rev. D. F. Morgan.) 



29. CCELIOXYS PRUINOSA. 



Male. Length 3 lines. — Black, head and thorax coarsely 

 punctured, the former very large, wider than the thorax, the face 

 densely clothed with a pale golden pubescence, that on the cheeks 

 being snow-white; the antennae rufo-testaceous beneath, the 

 mandibles ferruginous, on the cheeks beneath is a deep smooth 

 shining ovate fossulet. Thorax beneath, also the legs beneath, 

 covered with a dense short white pile having the a})pearance of 

 hoai'-frost, the tarsi ferruginous ; the apex of the wings fuscous, 

 hyaline towards their base, the tegulae and nervures black; a 

 band of white pubescence on the collar, an epaulet of the same 

 over the tegulae, and a line at the base of the scutellum, the 

 posterior margin of the latter rounded, and armed on each side 

 with a large angular bent tooth. Abdomen shining, rather 

 closely punctuied; the apical margins have an interrupted white 



