gcnitalia dark yellowish brown, clothed with yellow hair; venter 

 black, with rather long yellow hair on the hind borders of the 

 segments. Legs aeneous black, with rather long and dense, yellow 

 and silky shining hair, chiefly on the tibiae ; claws black, pulvilli 

 dark yellow-brown ; tarsi not very broad, first joint of hind tarsi 

 not thickened. Wings greyish hyaline, with a' light yellowish 

 tinge and yellow veins (the specimen is perhaps immature) ; lower 

 outer corners of subapical and discal cells rounded and withom; 

 appendices. 



Type cJ , a single specimen from Uganda Protectorate, plains 

 N.E. of Lake Edward, 3,200ft., "in the open," 15-16. x. 1911 

 (S. A. Heave). 



Genus 2G. PTILOBACTRUM, nov. 



Closely resembling a \Bficrodon belonging to Group V., and with 

 similar venation, but distinguished by the bivadth of the head, 

 by the face being furrowed, and by the unusual shape of the 

 antennae. 



Head of male much broader than the thorax : eyes bare, shining 

 black, very small, oval, with small equal-sized facets, without con- 



Fig. 25. Ptilobactnnn neavei, sp. n., $. x4. 



vergeri t angles in the middle of the frons ; frons enormously broad, 

 without a trace of the usual median transverse groove, but with a 

 distinct furrow running from the upper corner of each eye to the 

 ocelli ; this furrow is perhaps homologous with the usual median 

 transverse groove ; face enormously broad, broader than long, pro- 

 minent towards the middle, and provided with two broad furrow 



