BY FREDERICK A. A. SKUSE. 673- 



I. First longitudinal vein joining the costa opposite ok 



BEYOND the BASE OP THE PORK. 



A. Halteres black or brown, the stalk wholly or partly yellow, 

 yellowish or whitish. 



1. Palpi black or brown. 



A. Cross- vein situated before the middle of the first longi- 

 tudinal vein. 



a. Tip of the second longitudinal vein nearer the apex of the 

 wing than the tip of the p>osterior branch of the fork. 



96. SciARA Macleayi, sp.n. (PI. XI., fig. 1). 



^. — Length of antennae 0-075 inch ... 1-89 millimetres. 



Expanse of wings 0-180 x 0-065 ... 4-56 x 1-66 



Size of body 0-150x0-030 ... 3-81x0-76 



9. — Length of antennae 0-050 inch ... 1 -'27 millimetres. 



Expanse of wings 0-180x0-065 ... 4-56x1-66 



Size of body 0-200x0-035 ... 5-08 x 0-88 



(J. — Antennae deep reddish-brown, with a short yellowish, 

 pubescence ; rather slender, half the length of the body ; basal 

 joints with a very sparse pubescence ; flagellar joints sub-sessile, 

 2 to 3 times as long as broad, densely pubescent. Head black, 

 sub-nitidous. Eyes almost contiguous above. Palpi deep brown. 

 Thorax black, sub-nitidous, with three almost parallel rows of brown 

 hairs reaching nearly to the scutellum, also some long hairs along 

 the lateral margins from the humeri; humeri indistinctly tipped 

 with reddish-brown ; pleurae deep umber-brown ; scutellum rather 

 densely covered with long hairs. Halteres entirely umber-brown 

 sprinkled with short hairs. Abdomen black or very deep brown, 

 densely clothed with a moderately long brown pubescence ; as 

 broad as the thorax ; forceps wider than the abdomen, umber- 

 brown densely covered with a short pubescence. Legs deep umber- 

 biown, all the joints densely pubescent. In the fore-legs the tarsi 

 somewhat longer than the tibia? ; in the intermediate and hind- 

 legs the tibiae a little longer than the tarsi. Spurs shorter than 

 the fourth tarsal joint. First joint of the tarsi 2^ times the 



