DIPTERA. 323 
SARCOPHAGA DECISA, 
Cinerea ; caput albidum ; palpi ferruginei ; thorax nigro quinqueviltatus ; 
abdomen tessellatum, vitta dorsali nigra, apice rufo ; pedes picet ; ale 
subcineree. , 
Cinereous: head shining, almost white in front, clothed behind and 
beneath with white hairs; frontalia grayish black, slightly widening from 
the eyelets to the feelers, minutely striated; epistoma prominent: mouth 
pitchy ; palpi dark ferruginous : chest with five black stripes, the outer 
pair short, two gray streaks on the cinereous part within the inner pair : 
abdomen tessellated, with a black dorsal stripe; tip ved : legs pitchy ; hips 
ferruginous ; thighs with a cinereous covering: wings pale gray: alule 
whitish: poisers tawny. Length of the body 44 lines; of the wings 
9 lines. 
Senegal ? 
SaRcoPHAGA comEs, Mas. 
Cana; caput argenteum; antenne picee ; thorax nigro quinquevittatus ; 
abdomen nigrum, cinereo varium, apice rufo ; ale subcineree. 
Hoary: head silvery white, clothed beneath and behind with whitish 
hairs; frontalia deep black, widening from the eyelets to the feelers; a 
slender black clavate stripe on each side of the face : mouth black with a 
pitchy tip; palpi black: feelers pitchy, with a hoary covering; tip of the 
second joint ferruginous: chest with five black stripes : abdomen black, with 
cinereous reflections ; tip red: legs black: wings pale gray; veins black, 
pitchy at the base; prebrachial vein forming an almost right angle at its 
flexure, curved inward near this, hardly inclined outward from thence to 
the tip ; lower c¥oss-vein with the two usual curves which are very slight : 
alulew white: halteres tawny. Length of the body 3}—4 lines; of the 
wings 28 lines, 
United States, 
