258 THE ENTOMOLOGIST. 



11. D. longicornu, Macq. Dipt. Exot. i. 2, 192. Harlieko. 

 Wadj Geniieb. Inhabits Egypt. 



Fam. Laphrid^. — Gen. Laphria, Fahr. 



12. Z. nohlUs. Male and female. — Black, with slight cine- 

 reous tomentum. Head with black bristles on the vertex 

 and behind and beneath the mystax, which is white ; under 

 side with white hairs. Palpi with black bristles. Antennae 

 clavate; third joint fusiform. Thorax with a white spot on 

 each side in front. Abdomen dark blue towards the tip ; 

 first segment with black bristles on each side ; second and 

 third with a silvery white spot on each side. Legs with black 

 bristles and spines ; arolia pale testaceous. Wings pellucid, 

 more or less brownish and with brown veins towards the 

 ti))s ; veins elsewdiere luteous. Halteres testaceous. Length 

 of the body 11 — 15 lines. The group to which this species 

 belongs has numerous representatives in the Eastern Isles. 

 Rafla. Tajura. 



Fam. AsiLiD^. — Gen. Erax, Macq. 



13. F. cinctipes. Male. — Black, with cinereous tomentum. 

 Head with white hairs behind, and with a tliick^ white 

 mystax. Antennae slender; third joint lanceolate; arista 

 nearly twice the length of the third joint. Thorax with two 

 black approximate stripes. Abdomen tapering, with cinereous 

 hairs ; tip above with a thick tuft of white hairs. Legs stout, 

 with cinereous hairs ; femora tawny beneath ; tibiae tawny, 

 with black tips ; tarsi with stout black bristles. Wings 

 cinereous ; veins black, tawny at the base ; a dark cinereous 

 streak between the forks of the cubital vein ; these forks are 

 formed by a transverse veinlet near their base, and there is 

 another veinlet between the hind fork and the first externo- 

 medial vein. Halteres testaceous. Length of the body 

 9 lines. Wady Ferran. 



\A. E.cLnicolo7\ Female. — Black. Head with white tomen- 

 tum, clothed with while hairs ; mystax w'hite. Antennae 

 slender ; arista long. Thorax with cinereous tomentum and 

 with three paler shining slender stripes; a few long stout 

 bldck bristles on each side. Abdomen with hoary tomentum, 

 full twice the length of the thorax, tapering from the base to 

 the tip, which is black and shining. Legs stout, with hoary 

 tomentum and with some black bristles; femora beneath and 



