On the lionibyliid Fauna of South Africa (JDiptera). 87 



white, without distinct friuge. Geiiitalia of the male shiny bluish 

 black, retracted ; those of the female with two broad lamellae. Legs 

 entirely black, the femora with rare, pale and dark hairs below ; hind 

 tibiae with 4-5 long- ciliae outwardly in the basal half ; middle tibiae 

 with two ciliae ; claws minute, black with yellow base ; pulvilli dirty 

 yellowish. Wings hyaline, with black veins; venation as in Corsomyza, 

 but the anal cell in the male is closed at the border, in the female it is 

 narrowly open. 



MEGAPALPTTS FULVICEPS, sp. nov. 



A very strange and robust insect, which was named by Bigot 

 " Amid us fulviceps" and which may be provisionally placed in the 

 present genus. 



Type 9 , a specimen from the Cape, Van Ehynsdorp (E. M. Light- 

 foot), Namaqualand, Port Nolloth. 



$ . Length of the body 9 mm. ; breadth of the body 5 mm. ; 

 length of the wing, 8'5 mm. ; wing spread 22 mm. Head very 

 developed, and distinctly broader than the thorax. Occiput concave 

 above, shiny black, but with a broad yellow spot extending from the 

 neck to the upper corner of the eyes ; it is clothed with short white 

 hairs, which become longer and denser on the sides and below r , 

 merging into the dense white beard of the chin. Frons twice as broad 

 as the eye, shiny black, but with a yellow curved band on the fore part 

 above the antennae, in contact with the yellow face ; from the ocellar 

 tubercle two abbreviate black stripes start hindwards, reaching the 

 yellow occipital patch. The fi-ons has only scarce and short fuscous 

 hairs, which are more whitish and longer on the vertical edge ; above 

 the root of the antennae there is in the middle of frons a circular 

 depression. Eyes rather narrow in profile. Antennae inserted at the 

 level of the upper corner of the eyes, very long (measuring 4'5 mm. in 

 length) and horizontally porrect ; they are entirely black. The first 

 joint is cylindrical, only a little shorter than the third, with very 

 scarce and short pale hairs ; second joint very short and lenticular ; 

 third joint compressed, of an elongate oval shape, broader in the 

 middle than at the end, obtuse at end. Face very broad and entirely 

 yellow, shining, with only a small black, transverse spot near the root 

 of the antennae ; the mantle border is prominent in the shape of a 

 conical protuberance separated from the broad cheeks and jaws by a 

 deep furrow ; the entire face is bare, with only a very short and thin, 

 pale pubescence. Palpi long and thin, black, shortly pubescent ; 

 proboscis 5 mm. long, horizontal, stout, entirely black, bearing near 



