LIST OF DIPTERA. 183 



ginous, with a black triangular spot at the base of each segment 

 and a single black spot at the base of the under-side : legs ferrugi- 

 nous ; hips dark gray ; thighs piceous at the base : wings with a very 

 slight gray tinge ; veins tawny ; poisers pale tawny, with darker 

 knobs. Length of the body 4 J lines ; of the wings 9 lines. 



a. New Holland. Presented by the Earl of Derby. 



Tabantjs nigrimanus, n. s., fem. Cinereus, capite fulvo, thorace 

 cano trivittato, pectore cano, abdomine ferrugineo, pedibus ful- 

 vis, femoribus anticis tarsisque piceis, tarsis anticis nigris, alis 

 cinereis. 



Head tawny, thickly clothed beneath with white hairs : eyes 

 green, with purple disks : palpi pale tawny, clothed with black hairs ; 

 sucker black: feelers ferruginous, with black tips; third joint 

 widened and forming an angle near the base : chest gray, with a 

 tawny bloom, and having slight traces of three hoary stripes : breast 

 hoary : abdomen ferruginous, thinly clothed above with black hairs ; 

 legs tawny ; hips and thighs at the base hoary ; feet piceous ; fore 

 thighs dark piceous ; fore shanks with piceous tips ; fore feet black : 

 wings with a very slight gray tinge ; veins piceous, tawny towards 

 the base and along the fore borders ; brands tawny, long and nar- 

 row ; poisers bright pale tawny. Length of the body 4i lines ; of 

 the wings 9 lines. 



a. Port Essington. Presented by the Earl of Derby. 



Tabanus diminutus, n. s., fem. Ferrugineus, capite nigro subtus 

 fulvo, thorace nigro trivittato, pectore fulvo, abdomine fulvo pi- 

 ceo univittato, segmentis vittis pallide fulvis, pedibus fulvis, 

 tarsis fuscis, alis limpidis. 



Head black above, pale tawny and clothed with still paler hairs 

 in front and beneath : eyes dark red : mouth tawny ; sucker piceous : 

 feelers ferruginous, with black tips ; third joint widened at the base 

 into a slight angle : chest dark ferruginous, with three black stripes: 

 breast tawny, with a hoary bloom : abdomen dull tawny, with a pi- 

 ceous stripe, which is widened towards the tip, where it occupies the 

 whole back ; the first and the second segments have each a bright 

 tawny narrow band, and the hind borders of all the segments are 

 pale tawny and clothed with yellow hairs : legs tawny ; feet brown, 

 tawny at the base : wings colourless ; veins piceous, tawny towards 

 the base and along the fore borders ; brands tawny ; poisers tawny, 

 with bright pale yellow knobs. Length of the body 6 lines ; of the 

 wings 12 lines. 



a. Port Essington. From Mr. Gould's collection. 



R2 



