152 [July, 



^ ? . Thorax and abdomen black ; f rons moderately but distinctly glossy, about 

 i broader than long, only 1 pair of rather weak siipra-antennal bristles, 

 placed low on the frons and very closely approximated, consequently inner 

 bristles of lower frontal row rather nearer the middle line than usual, 

 palpi dull or dusky yellow ; wings nearly clear, thin veins fine and delicate, 

 costa I Aving length ; legs blackish-brown, fore tarsi not longer and more 

 slender than usual (normal) tibial cilia fine and delicate ; male abdomen 

 not stout, hypopygium of moderate size, rather hairy and with a short 

 bristle below on each side, ventral plate indistinguishable, anal organ 

 yellow or dusky yellow, short and thick... -^ mm. or barely, angelicse, n. sp. 



20 (15) Halteres hlach. 



21 (22) Male Tpal^n very large and armed with only a few weak bristles. 



(? . Thoi-ax and abdomen black; frons bioad and low (fully half as broad 

 again as long), somewhat shining, apparently biit one pair of small and 

 approximated supra-antennal bristles, antennae small, palpi black, in form 

 and size extremely like the palpi of Phora nudipalpis ; wings pale grey, 

 costa f wing length, 1 not more than half as long again as 2 + 3, angle 

 at fork large ; legs blackish-brown, front tibiae short and stoiit, and tarsi 

 also somewhat stoixt, hind tibiae bare ; hypopygium fairly large wdth 1 or 2 

 small bristles beneath on each side, ventral plate broad and black, ending 

 in a conspicuous pale yellow and somewhat curved process, anal organ 

 small with a yellowish tip f mm. lo7igipalpis, n. sp. 



22 (21) Palpi simple. 



23 (24) Costa very short — barely I wing length; fringe short without being I'ery 



short. A very minute species. 

 $ . Thorax and abdomen black ; frons black, fully \ broader than long, sixpra- 

 antennal bristles large and nearly equal, the upper pair set very wide 

 apart and outside an alignment with the inner bristles of the middle 

 frontal row, vuider pair considerably below them and approximated, outer 

 bristle of lower frontal row moved higher up the frons than usual, and the 

 middle row shifted close up against the ocellar triangle, antenna3 small and 

 black, arista thick and short — not half as long again as the frons, palpi 

 yellow ; wings lightly tinged with yellowish-brown, veins brown, the thin 

 ones fine and delicate, 1 more than double 2 + 3, angle at fork moderate ; 

 legs yellowish-brown, hind femora more dusky at the outer end and 

 beneath with a few long hairs on the basal half, liind tibiae scarcely arched 

 on the upper-side, the cilia small and delicate but of bristly character; 

 hypopygium moderate in size, with a few strongish hairs beneath, ventral 

 plate not distinguishable, anal organ small and yellow... 



barely \ mm. gregaria, n. sp. 



24 (23) Costa more than 3 iving length; fringe very short. 



? . Described from a single specimen : Tliorax obsciu-ely reddish, abdomen 

 black; frons obscurely reddish with a narrow margin of red above the 

 antennae, frontal and supra-antennal bristles as in gregaria, antennae small 

 and red, arista of the usual length, palpi yellow ; wings more distinctly 



