a ee a a 
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DIPTERA. 411 
longer than the chest, tawny at the base: wings pale gray, slightly tawny 
along the fore border; veins black, tawny at the base: halteres tawny with 
ferruginous knobs. Length of the body 14 line; of the wings 3 lines, 
United States. 
DrosopuiLa LINEARIS, 
Fulva, sublinearis ; abdomen apice piceum ; pedes testacei ; ala fulve. 
Tawny, almost linear: abdomen longer than the chest, pitchy towards 
the tip: legs testaceous: wings tawny ; veins pitchy, tawny at the base: 
halteres testaceous. Length of the body 1 line; of the wings 2 lines. 
United States. 
DrosopHiLa BREVIS. 
Picea; antenne ferruginee ; pectus ferrugineum; abdomen segmen- 
torum marginibus posticis ventreque flavis ; pedes fulvi ; ale subci- 
neree. 
Pitchy: feelers ferruginous ; third joint nearly round, hardly longer 
than the second ; sixth joint black, beset on each side with very few long 
bristles ; breast ferruginous: abdomen obconical, a little longer than the 
chest; hind borders of the segments and under side yellow: legs tawny: 
wings slightly gray ; veins ferruginous: halteres yellow. Length of the 
body 1 line; of the wings 24 lines. 
United States. 
DrosorHita DEcEMGurTaTa, Fem. 
Ferruginea ; abdomen piceum, basi ferrugineum, thorace angustius et 
multo longius; pedes testacei ; ale fusca, albo maculate. 
Ferruginous : abdomen pitchy, almost spindle-shaped, ferruginous at 
the base, narrower and much longer than the chest: legs testuceous: wings 
dark brown, adorned with four white spots, and nearer the base with three 
white dots and with a white streak on the fore border; veins black, ferru- 
ginous at the base: halteres white. Length of the body 1} line; of the 
wings 24 lines. 
United States. 
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