Descriptions of Diptera. lxxi 



which is interrupted on the hind border of each segment : legs tawny; hips and thighs 

 clothed with pale yellow hairs ; shanks and feet beset with very short black hairs ; 

 feet brown above ; claws black, tawny at the base ; foot-cushions pale tawny : wings 

 pale gray ; wing-ribs tawny ; veins pitchy, tawny at the base and along the fore 

 border ; curve of the tip cross-vein inclining to an obtuse angle ; in one wing of the 

 specimen described the angle is more distinct than in the other, and is accompanied 

 by a short stump ; poisers tawny, with pitchy knobs. Length of the body 4 lines ; of 

 the wings 9 lines. 

 New Zealand. 



Tabanus impar, mas. et fern. ? 



Mas. Niger, thoracis lateribus ferrugineis, abdomine ferrugineo vitta brevi dorsali 



fasciisque nigris fasciis flams et maculis trigonis fulvis ornato, antennis nigris 

 basi fulvis, femoribus nigris, libiis fulvis, tarsis piceis, alis cinereis. Fem. ? 

 — Fuscus, thoracis lateribus vittisque tubus fulvis, pectore cano, abdomine 

 fulvo apice piceo, pedibus fulvis. 



Mas.— Head black, clothed beneath with pale yellow hairs : eyes black ; facets 

 small, but slightly increasing in size towards the crown : sucker black ; lancets yel- 

 low; palpi pale tawny, clothed with very short black hairs: feelers black ; first and 

 second joints very dark tawny, thickly clothed with black hairs, their angles unusually 

 prominent ; third joint slightly convex beneath, armed above with a stout and mode- 

 rately long horn, which forms an acute angle ; compound joint tapering, hardly 

 curved upward, a little shorter than the third joint: chest and breast black, clothed 

 with pale tawny hairs ; sides pale ferruginous, beset with a few black hairs : abdomen 

 ferruginous, obconical, hardly longer than the chest, clothed with pale tawny hairs ; 

 second segment adorned above with a black middle stripe ; fore borders of the third 

 and following segments black, each adorned with a tawny triangular middle spot, 

 which rests on a narrow pale yellow band extending along the hind border: hips and 

 thighs black, clothed with tawny hairs ; tips of the thighs tawny ; shanks tawny, 

 clothed with very short hairs ; hind shanks ferruginous, clothed with long tawny 

 hairs ; feet pitchy, clothed beneath with ferruginous down ; claws black ; foot-cushions 

 tawny: wings gray; wing-ribs pitchy; veins black, pitchy at the base and along the 

 fore border ; brands dark brown ; curve of the tip cross-vein extremely slight ; scales 

 gray, with pitchy borders ; poisers tawny, with pitchy knobs. Fem. P— Head tawny 

 above, whitish beneath : eyes bronzed, parted above by a rather broad interval ; facets 

 very small; third joint of the feelers forming a very obtuse angle beneath, its horn 

 shorter than that of the male ; compound joint slightly curved upward, a little longer 

 than the third joint : chest tawny, its disk brown, adorned with three tawny stripes ; 

 breast hoary, clothed with pale yellow hairs : abdomen dull tawny, obconical, pitchy 

 towards the tip, clothed with pale yellow hairs, which are chiefly on the hind borders 

 of the segments, about twice the length of the chest : legs tawny, clothed with short 

 black hairs ; hips and thighs clothed with pale yellow hairs ; feet pitchy towards the 

 tips ; foot-cushions tawny ; claws black, tawny at the base. Length of the body 

 5^—6 lines ; of the wings 13—14 lines. 

 New Zealand. 



