On the BonibyliiJ Fauna of South Africa (Diptera). 83 



shorter than the mouth, rather incrassate, and ends with fleshy flaps ; 

 the palpi are very thin and are a little longer than the proboscis. 

 Thorax and scutellum with long pubescence, but without distinct 

 bristles : metapleurae bare ; no distinct plumula ; squamulae with a 

 long but not dense, haii-y fringe. Abdomen with long pubescence, 

 and with distinct bristly hairs at the hind border of the segments. 

 Legs simple ; hind tibiae with long fringe outwardly. Wings of 

 normal shape. First longitudinal vein very long ; second vein straight, 

 cubital fork broad, with the upper branch retreating at base and 

 united with the second longitudinal vein by a cross- vein. Thus three 

 sul (marginal cells are present : first posterior cell broadly open, broader 

 at end than on middle or at base, about of the same breadth at end as 

 the 2nd or the 3rd posterior cell ; discoidal cell about twice as broad 

 as long, obtuse outwardly, the middle cross-vein placed a little beyond 

 its middle ; anal cell closed and shortly stalked. Auxiliary lobe 

 broad ; alula short and rounded ; ambient vein complete ; costa 

 denselv but shortly pilose at base. 

 Type : the following new species. 



G-NUMYIA BREVIKOSTRIS, sp. iiov. 



A black and black-haired species of middle size, with a dark-yellowish 

 head and pale yellowish wings. 



Type 9 a single specimen from Hex River, January 10th, 1882 

 (L. Pcriuguey). 



9 . Length of the body 8 mni. ; of the wing 7 mm. ; of the wing- 

 spread 16 mm. Head rather shining; the whole occiput is black and 

 bare, being provided with a rather long, black pubescence only below ; 

 the vertex is occupied by the broad and flat ocellar protuberance, 

 which is entirely black and clothed with long, black, erect hairs. 

 Frous yellowish, but on each side it shows an elongate black spot, 

 which is in contact with the eyes inwardly and is rounded outwardly; 

 besides there is a lanceolate small black spot in the middle, with the 

 base in contact with the ocellar spot near the front ocellus ; the frons is 

 very shortly pubescent in the middle, and has on the sides black hairs 

 which are denser near the cheeks. Face and cheeks entirely yellow, 

 quite unspotted ; they are equally clothed with black hairs, which are 

 shorter on the face and denser and longer near the eyes ; the cheeks 

 are yellow anteriorly, but they are merging posteriorly into the black 

 lower part of the occiput. Antennae with the first joint yellow like 

 the frons ; 2nd joint more brownish ; 3rd joint entirely black ; basal 

 hairs of the antennae black. Palpi and proboscis dirty blackish, 



