~~ 
OS! Lee een ee ee ee 
DIPTERA. 327 
the feelers: mouth, palpi and feelers black: chest with four hardly gilded 
stripes, the outer pair almost interrupted by a black streak : abdomen pale 
gold-colour, tessellated with black ; tip black : legs black : wings pale gray ; 
veins black ; prebrachial vein slightly bent inward near the flexure, straight 
from thence to the tip; lower cross-vein with two very slight curves, the 
lower inward, the upper outward: alule white: halteres tawny. Length 
of the body 24 lines; of the wings 5 lines. 
Columbia. 
SARCOPHAGA CONTERMINA. 
Nigra, cano-tomentosa ; caput albo-tomentosum, ad oculos auraltum ; thorax 
Fusco trivittatus, lateribus nigro vittatis ; abdomen cinereum, cano 
varium ; ale subeineree. 
Black, with a hoary covering : head with a white covering, gilded along 
the eyes in front ; frontalia deep black, linear, deep red towards the feelers: 
palpi and feelers black: chest with three broad brown stripes, and with a 
black stripe on each side; abdomen cinereous with hoary reflections : legs 
black: wings slightly gray ; veins black ; prebrachial vein forming a right 
angle at its flexure, bent inward near this, straight from thence to the tip; 
lower cross-vein very slightly bent inward: alule white. Length of the 
body 24 lines; of the wings 44 lines, 
Brazil. 
SARCOPHAGA BIFRONS. 
Nigra ; caput argenteum ; thorax cano quadrivittatus ; abdomen canum, 
subtessellatum, apice nigro ; ale subcinerea. 
Black : head silvery white, clothed beneath and behind with tawny 
hairs, gilded on each side of the peristoma; frontalia deep ferruginous, 
slightly widening towards the feelers: mouth, palpi, and antenne black : 
mouth clothed with tawny hairs ; chest with six hoary stripes, the innermost 
pair very slender ; sides and breast hoary: abdomen hoary, somewhat tessel- 
lated ; tip black : legs black; thighs with a hoary covering: wings very 
slightly gray ; veins black, tawny at the base: alule whitish with yellow 
borders: halteres tawny. Length of the body 44 lines; of the wings 
9 lines. 
South America. 
