DIPTERA. 195 



varied with black: scutcheon yellow, adorned on the fore border with 

 a black band which supports a short black stripe : abdomen tawny, obconi- 

 oal, a little shorter than the chest, adorned near the base with a broad 

 black band ; tip compressed : legs tawny ; thighs with pitchy streaks ; tips 

 of the shanks pitchy ; feet black : ivings quite colourless ; wing-ribs tawny ; 

 veins black, tawny towards the base and along the fore border; poisers 

 tawny with pitchy knobs. Length of the body 3J lines ; of the wings 7 

 lines. 



New South Wales. 



Phthiria compbessa, Plate 6, fig. 3. 



Genus GERON, Hoffmansegg. 



Geron capensis, Mas. 



Nigra, albo-kirta, pedibus fulvis, tarsis apice genubusque piceis, alis 

 albidis. 



Black, thickly clothed tvith silvery hairs : mouth a little longer than the 

 body : abdomen obconical, narrower and a little longer than the chest : 

 legs pale tawny, beset with very short black bristles ; feet pitchy toiuards 

 the tips ; hips and claws black ; knees pitchy : ivings whitish ; wing-ribs 

 yellow ; veins tawny, yellow at the base and along the fore border ; poisers 

 yellow. Length of the body 2\ lines ; of the wings 5 lines. 



Cape. 



Genus PHILOPOTA, Wiedemann. 



Philopota sobria, Mas. 



Ferniginea, capitepiceo, thorace vittis obliquis Jlavis ornato, laieribus scu- 

 tello ventreque fulvis, antennis nigris, pedibus fulvis, alis subcinereis. 



Body ferruginous : head pitchy : eyes black, meeting on the crown ; 

 facets of moderate size : sucker pale tawny, a little longer than the body : 

 feelers black, very short : two diagonal stripes crossing each other in front 

 of the chest ; breast and sides of the chest tawny : abdomen obconical, much 

 longer than the chest, tawny on each side and beneath : legs tawny : wings 



