DIPTERA. 23 
TaBANus InFusus, Fem. 
Cinereo-fulvus, abdomine ferrugineo apice nigro, segmentorum marginibus 
fulvis, antennis rufis apice nigris, pedibus fulvis, femoribus cinereis, 
tibiis apice tarsisque piceis, tibiis anticis apice tarsisque anticis nigris, 
alis subcinereis, basi costa nervorumque marginibus fulvis. 
Head adorned with a tawny covering, clothed in front and beneath 
with pale tawny hairs; a slight black ridge on the crown: eyes bronzed, 
parted by a moderate interval ; sucker black ; palpi yellow, clothed with 
pale yellow hairs; feelers red; third joint convex beneath, armed above with a 
moderately long horn which forms an acute angle, and is clothed with short 
black hairs ; compound joint black, tapering, nearly straight, more than 
half the length of the third joint: chest grayish-tawny, clothed with short 
tawny hairs: breast gray, clothed with longer and paler hairs: abdomen 
ferruginous, obconical, very much longer than the chest, black towards the 
tip, clothed with tawny hairs; hind borders of the segments pale tawny : 
legs tawny, clothed with pale tawny hairs; thighs gray; feet and tips of 
the shanks pitchy ; feet clothed with very short black hairs ; fore-feet and 
tips of fore-shanks black ; claws black, tawny at the base: wings pale 
gray, tawny at the base and beneath the fore border and along some of the 
veins in the disk ; curve of the tip cross-vein very near the base ; scales 
tawny ; poisers pitchy, with tawny knobs. Length of the body 9% lines ; 
of the wings 18 lines. 
Albania. 
American Species. 
Tapanus mutatus, Fem. 
Niger fulvo tectus, capite subtus flavo hirto, pectore subcano, abdomine fer- 
rugineo vittis una fulva duabusque nigris ornato, antennis ferrugineis 
basi fulvis apice nigris, pedibus fulvis, femoribus tarsis anticis tibiis 
tarsisque apice nigris, alis sublimpidis basi et ad costam fulvis. 
Body black; head covered with tawny bloom above, adorned with 
pale yellow bloom, and thickly clothed with pale yellow hairs beneath : 
eyes brassy-black, parted by a moderately broad interval on the crown; 
all the facets very small, but the facets of the inner fore part rather larger 
than those elsewhere: sucker black ; lancets dark ferruginous; palpi pale 
