i ns iets tai hi ee 
82 INSECTA SAUNDERSTANA. 
feet pitchy; claws black; wings gray; brands brown ; wing-ribs ferrugi- 
nous; veins black, ferruginous towards the base; angle of the tip eross- 
vein obtuse, sending forth a stump which is about twice the length of its 
shorter side ; scales gray, with pitchy borders; poisers pitchy. Length of 
the body 54 lines ; of the wings 11 lines. 
Columbia. 
TABANUS PERPLEXxUS, Fem. 
Niger, capite piceo, thoracis abdominisque basi lateribus rufis, antennis 
rufis apice nigris, tibiis anterioribus rufis apice nigris, alis fulvis, 
apice margineque postico cinereo-fuscis. 
Body black: head pitchy, covered with brownish tawny bloom, 
clothed heneath with white hairs and black bristles: eyes brassy, large, 
parted by a very narrow interval on the crown: sucker black ; lancets pale 
red: palpi tawny: feelers red; first and second joints produced into short 
horns, the first stout and blunt, the second slender and acute; tip of the 
third joint black, its horn curved downward and very long: sides of the 
chest red: breast clothed with tawny hairs: abdomen shining, obconical, 
longer than the chest, red on each side at the base: legs black ; fore- and 
middle-shanks red, with black tips ; hind-shanks fringed with short black 
hairs; foot-cushions tawny: wings dark tawny, which colour passes into 
grayish-brown at the tips and along the hind border ; wing-ribs and veins 
' ferruginous ; veins pitchy towards the tips ; tip cross-vein forming a very 
distinct, slightly obtuse angle near the base where there is no stump ; scales 
dark tawny; poisers pitchy, with ferruginous knobs. Length of the body 
7 lines ; of the wings 22 lines. 
Columbia. 
TaBANus BAsI-Rurus, Fem. 
Niger, capite rufo maculato subtus fulvo, scutelli margine postico abdo- 
minisque basi rufis,*antennis basi ferrugineis, pedibus rufis, alis 
cinereis ad costam subferrugineis. 
Body black: head pitchy above, with a large red spot in front of the 
crown, dark tawny, and thickly clothed with long pale yellow hairs in front 
and beneath: eyes brassy, clothed with tawny hairs, parted by a mo- 
derately broad interval on the crown, which is clothed with short black 
