THE ENTOMOLOGIST. 259 
tibiz reddish. Wings limpid, extending nearly to the tip of 
the abdomen; veins black, tawny at the base; hind branch 
of the cubital vein very near the first externo-medial vein, 
with which it is connected by a little veinlet. Halteres 
tawny. Length of the body 10—11 lines. Harkeko. 
Dahleck. 
Gen. AsiLus, Linn. 
15. A. femoralis, Wied. Auss. Zweifl. i. 466. Wady Ferran. 
Tor. Inhabits Egypt. 
16. A. deformis. Male and female.—Black, stout, with 
cinereous tomentum. Head clothed with white hairs; mystax 
white. Thorax with three blackish stripes; some whitish 
bristles on each side. Abdomen tapering from the base to 
the tip, nearly twice the length of the thorax ; hind borders 
of the segments, from the first to the fourth, black ; a few 
whitish bristles on each side. Legs stout, with whitish 
bristles; tibiz and tarsi tawny; hind tibize black on the 
outer side. Wings pellucid; veins black, tawny at the 
base; forks of the cubital vein undulating. Halteres testa- 
ceous. Male.—Sexualia small. Female.—Oviduct short, 
compressed, black, shining. Length of the body 9—10 lines. 
Wady Ferran. Wady Nash. 
17. A. mivatus. Female.—Black, dull, rather slender. Head 
with white bristles; mystax white; epistoma prominent ; 
some black bristles near the antenne, which are slender. 
Thorax with short black hairs; some black bristles and some 
longer and stouter white bristles on each side. Abdomen 
lanceolate, more than twice the length of the thorax, with 
some white bristles towards the base ; tip shining, compressed. 
Legs black, with white bristles ; tibiz and tarsi tawny; hind 
tibiz striped with blackish on the outer side. Wings pellucid; 
veins black, tawny at the base; forks of the cubital vein 
slightly undulating. MHalteres testaceous. Length of the 
body 74 lines. Tajura. Wady Nash. 
18. A. enitens. Male.—Black, with hoary tomentum. Head 
with white hairs behind and beneath; mystax white, thick, 
with very slender bristles. Antenne testaceous. Thorax 
with very few white bristles. Abdomen with a few short 
white bristles on each side, about twice the length of the 
thorax, tapering from the base to the tip, which is tawny ; 
sexualia small. Legs testaceous, rather slender; bristles 
