DIPTERA. "^5 



tawny, obconical, a little narrower and very much longer than the chest, 

 adorned above with three pitchy stripes, of which the side pair are inter- 

 rupted and indistinct towards the base, and the middle one is inlaid with 

 a hoary stripe ; tip gray : legs tawny, clothed with short pale yellow hairs ; 

 thighs gray with tawny tips ; middle-feet and fore-shanks pitchy, the latter 

 tawny at the base ; hind feet and sometimes the tips of the four hinder 

 shanks pitchy ; claws and fore-feet black : wings colourless ; wing-ribs and 

 veins tawny, the latter black towards the tips ; brands pale brown ; curve 

 of the tip cross-rein slight, not angular ; scales and poisers tawny. Length 

 of the body 5j — 6i lines ; of the wings 11 — 13 lines. 



United States. 



Tabanus erythrotelus, Plate 2, fig. 1. 

 Fern. Nigro-cinereus, thoraci vitlis (jualuor ferrugineis, pectore cano, ab- 

 domine fasciculis albis (juinque vittato, segmentorum marginibus 

 posticis fulvis, antennis nigris basi fulvis, pedibus nigris, tibiis basi 

 fulvis, ulis cinereis basi fulvis, nervis transversis fusco nebulosis. 



Body black, tinged with gray : head adorned with a hoaiy covering, 

 clothed beneath with white hairs ; three shining convex marks on the 

 crown : eyes black, parted above by a rather broad interval ; all the facets 

 very small : sucker black ; lancets pale ferruginous ; palpi tawny, clolhed 

 with short black hairs -. feelers black ; first and second joints dark tawny, 

 clothed with black hairs, produced above into short horns, the first stout, 

 the second very slender ; third joint armed above with a short stout horn, 

 convex beneath, dark tawny at the base ; compound joint very much curved 

 upward : chest adorned with four ferruginous stripes, two on each side ; 

 breast hoary, clothed with white hairs : abdomen slightly obconical, a little 

 broader and much longer than the chest, iidorned above with five inter- 

 rupted stripes composed of patches of white hairs; hind borders of the 

 segments pale tawny : legs black, clothed with whitish hairs ; shanks 

 towards the tips and feet clothed with short black hairs ; shanks tawny 

 towards the base ; foot-cushions pale tawny : wings gray, dark tawny at 

 the base ; cross-veins clouded with dark brown ; brands pale brown, ex- 

 tremely small ; wing-ribs ferruginous ; veins black, ferruginous at the base ; 

 a slight curve but no angle nor stump near the base of the tip cross-vein ,■ 

 scales gray, with dark tawny borders ; poisers pitchy, with tawny tips. 

 Length of the body 8^ lines; of the wings 17 lines. 



Bolton. 



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