THE ENTOMOLOGIST. 261 
each side and beneath. Legs tawny, long, slender; tarsi 
black. Wings black; a white dot and a posterior white 
point in the disk at one-third of the length; a white spot 
in the disk at half the length; an occasional cinereous lon- 
gitudinal streak near the hind border; tips cinereous. 
Halteres testaceous. Length of the body 6 lines. Massowah. 
23. E.nigrifera. Female.—Black. Head tawny on each 
side of the epistoma, which is prominent. Thorax with 
some black bristles on each side. Wings black, with a 
cinereous streak in the disk, with three posterior cinereous 
dots and with paler cinereous tips. Halteres tawny. Length 
of the body 6 lines. Mount Sinai. 
24. FE. disrupta. Male.—Black. Head luteous and with 
gilded tomentum, excepting the vertex. Antenne black, 
lanceolate, tawny towards the base. Thorax clothed with 
yellowish hairs on the fore border, and with white hairs 
along each side, where there are some black bristles. 
Scutellum dark red. Abdomen red along each side and at 
the tip; a band of white or of yellowish pubescence on the 
fore border of each segment; under side red. Legs black. 
Wings black, with five cinereous spots, and along the hind 
border with a broad cinereous space which is interrupted by 
some black streaks along the veins. Halteres yellowish. 
Female.—Abdomen not red; under side with white pubes- 
cence. Length of the body 5};—6 lines. Hor Tamanib. 
25. H.antica. Male andfemale.—Black. Head with yellowish 
pubescence and with many black bristles. Antenne lanceo- 
late. Thorax with yellowish white hairs along the fore border 
and along each side, where there are many black bristles. 
Scutellum of the male ferruginous. Abdomen along each 
side with whitish hairs and wiih black bristles, the latter most 
prevalent in the female ; under side with whitish tomentum in 
the male. Wings cinereous, brown along the costa; trans- 
verse veinlets clouded with blackish. Halteres testaceous. 
Length of the body 5}—7 lines. Hor Tamanib. Tor. 
26. EB. paupera. Male.—Black. Head with a prominent 
epistoma, which has silvery white tomentum. Antenne 
lanceolate. Sides of the thorax and of the abdomen with 
silvery white hairs. Hind border of the scutellum tawny. 
Pectus and under side of the abdomen with silvery white 
tomentum. Legs black. Wings slightly cinereous, pale 
