40 TNSECTA SAUNDERSIANA. 



nical, longer than the chest, clothed with short tawny anil black hairs, 

 hoary towards the base, adorned above with a pale tawny middle stripe, 

 which decreases towards the tip ; hind borders of the ventral segments and 

 nearly the whole of them towards the tip tawny : legs tawny ; liips and 

 thighs gray, clothed with pale yellow hairs ; shanks fringed with black 

 hairs ; feet pitchy ; claws black ; foot-cushions tawny ; fore-feet black : 

 wings very pale gray, with a slight tawny tinge at the base and along the 

 fore border as far as the brand, which is pale yellow ; wing-ribs ferrugi- 

 nous ; veins black, ferruginous towards the base and along the fore border ; 

 curve of the tip cross-vein inclininf/ to an angular form, no stump ; scales 

 gray, with tawny borders ; poisers tawny, their knobs brown with pale yel- 

 low tips. Length of the body 7 lines; of the wings 14 lines. 



Soulh America ? 



Tabanus ferruginosus, Fern. 



Ferrugineus, abdomine maculis trigimis fulvis vittato, segmentorum mar- 

 ginihiis posticis fulvis, antennis ferrugineis apice nigris, pedibws 

 fulvis, tibiis anticis apice tarsisque piceis, larsis anticis nigris, alls 

 cinereis ad costam fulvis. 



An aberrant species. Body ferruginous : covering of the head dark 

 tawny above, hoary beneath where it is clothed with hoary hairs : eyes 

 brassy, parted above by a narrow interval ; facets very small, but slightly 

 increasing in size towards the inner fore border: sucker black ; lancets 

 pale ferruginous ; palpi dark tawny, long, slender, clothed with short black 

 hairs : feelers ferruginous ; first and second joints clothed with short black 

 hairs ; third joint hardly angular above, slightly convex beneath, darker 

 towards the tip ; compound joint black, verg slightly curved upward, much 

 shorter than the third joint : chest paler on each side ; breast with a hoary 

 tinge, partly clothed with white hairs : abdomen linear, rounded towards 

 the tip, a little broader and very much longer than the chest, adorned 

 with a stripe of tawny triangular spots, these rest on the hind borders of 

 the segments, which are also tawny ; a hoary tinge towards the base of the 

 imder side : legs tawny, clothed with short black hairs ; thighs clothed 

 with short pale tawny hairs ; feet and tips of the fore shanks pitchy, claws 

 and fore-feet black: wings gray, dark tawny beneath the fore border; 

 brands brown ; wing-ribs pitchy ; veins black ; angle of the tip cross-vein 

 very distinct, very slightly obtuse, sending forth a long stut)ip ; scales gray. 



