306 INSECTA. 
generally approximated, and terminated by a narrow and elongated 
palette, with the seta always pilose. The abdomen, at least that of 
the male, is elongated, almost cylindrical, terminated by a club in 
some, and a stilet in others. 
In these, the sides of the face are furnished with hairs or musta- 
chios. 
Here, the abdomen presents externally but four segments. The 
seta of the antennz is simple. 
Diaryta, Meig.(1) 
There, it offers five rings at least. 
Corpyiura, Fall. Meig.—Ocyptera, Fab. 
Where the wings extend but little, or not all, beyond the abdo- 
men, which terminates in a club in the males(2). 
Scatorpuaca, Lat. Meig.—Musca, Lin. Fab. 
Where the wings are much longer, and the abdomen is not in- 
flated at the posterior extremity in either sex. 
S. stercoraria; Musca stercoraria, L.; Reaum., Insect., IV, 
xxviii. Densely pilose and of a greyish-yellow; front russet; a 
brown point on the wings; seta of the palette bearded. Very 
common on fecal matters, those of man particularly, where the 
female deposits her eggs which are retained on the surface by 
two appendages resembling little wings(3). 
These are destitute of mustachios. 
The body is always long, narrow, cylindrical, and linear. 
Loxocrra, Lat. Fab. Meig. 
Where the antenne are much longer than the head. The Lox- 
ocere resemble little Ichneumons(4). z 
(1) See Meigen. 
(2) Idem. 
(3) Meig., and Lat., Gener. Crust. et Insect., IV, 358. 
(4) Lat., Fab., Meigen. 
