DIPTERA. 35 
partly clothed with pale yellow hairs: abdomen ferruginous, obconical, 
pitchy towards the tip, very much longer than the chest: legs ferruginous, 
clothed with short black hairs: feet black, dark ferruginous towards the 
base; foot-cushions tawny; fore-thighs black; wings pale gray, with a 
tawny tinge at the base and beneath the fore border and along the borders 
of the veins ; wing-ribs ferruginous ; veins black, ferruginous towards the 
base ; @ distinct but very obtuse angle with no stump near the base of the 
tip eross-vein ; scales dark tawny, with pitchy borders ; poisers tawny with 
yellow tips. Length of the body 6 lines ; of the wings 13 lines. 
Columbia. 
Taxanus piscrrEer, Plate 2, fig. 2. 
Fem. Nigro-cinereus, thoracis lateribus vittisque tribus ferrugineis, abdo- 
mine faseiculis albis trivittato, antennis nigris basi fulvis, pedibus 
nigris, alis subnigris, basi et ad costam ferrugineis, cellularum discis 
apicibusque cinereis. 
Body black: covering of the head dark tawny above, tawny in front 
and beneath where it is clothed with pale tawny hairs ; a slender, shining, 
pitchy ridge along the whole length of the crown: eyes large, bronze, 
parted above by a very narrow interval ; facets very small, but increasing 
in size towards the inner fore border: sucker black, clothed with tawny 
hairs ; lancets pitchy ; palpi dark tawny, thickly clothed with very short 
black hairs: feelers black, long, first and second joints dark tawny, clothed 
with black hairs above, with pale tawny hairs beneath; third joint dark 
tawny towards the base, its horn very long, curved downward ; compound 
joint curved upward ; chest tinged with gray, ferruginous on each side, 
adorned with three slender ferruginous stripes: breast tinged with grayish- 
tawny, partly clothed with tawny hairs: abdomen obconical, a little 
broader and very much longer than the chest; each side of every segment 
adorned with a patch of white hairs; each hinder segment having also a 
middle patch of more indistinct white hairs: legs black ; thighs clothed 
with short whitish hairs ; shanks and feet clothed with short black hairs ; 
feet beneath dark ferruginous ; foot-cushions pale tawny: wings blackish, 
dark ferruginous at the base and along the fore border as far as the brand 
which is black; disks of the areolets and tips gray ; wing-ribs ferruginous ; 
veins black, ferruginous towards the base and along the fore border; curve 
of the tip eross-vein inclined to an angular form, no stump ; scales dark 
