A Monograph of the Formicidae of South Africa. 181 



joints of the flagellum very short, each about twice as wide as long. 

 The eyes occupy about one-third of the sides of the head, ocelli 

 wanting. The pronotum is margined laterally only at the hind 

 corners ; the mesonotum is transverse and oval, shorter than the 

 pronotum ; the metanotum is shorter than the mesonotum, about twice 

 as wide as long ; the epinotum is but little shorter than the pronotum, 

 the feebly convex dorsum is longer than the declivity and wider at the 

 base than at the apex ; the brow of the declivity rounded. The first 

 joint of the petiole is shortly but distinctly pedunculated, the node 

 rounded, a little wider than long, very little narrower than the 2nd 

 joint, the ventral lamella compressed. The 2nd joint is transverse and 

 oval, or pyriform, smaller in front than behind." 



" $ . 6 mm. Colour, pubescence and puncturation as in the $ , the 

 punctures on the cheeks larger than on the frons. The middle part of 

 the clypeus projects very distinctly forwards in a bluntly angular lobe. 

 The rest of the head as in the £ • The wings feebly tinged with 

 yellowish brown." 



" $ . 4'6 mm. Black, flagellum brownish yellow, mandibles and tarsi 

 darker. The pilosity occurs almost only on the ventral surface of the 

 abdomen. The antennae are thickly clothed with very short erect 

 hairs ; the abdomen moderately pubescent. The mandibles have 

 moderately long pilose hairs, inserted in coarse punctures ; the masti- 

 catory margin with several teeth, the anterior ones acute. The head 

 and mesonotum are very finely rugulose and shining, the latter with 

 some strong piligerous punctures. Scutellum and metanotum smooth, 

 the nodes of the petiole almost so, the abdomen finely rugulose. The 

 middle part of the clypeus is strongly arched, ending in front in a 

 blunt point. The scape of the 12-jointed antenna is quite twice as 

 long as wide, the 2nd to the penultimate inclusive, sub-equal, and 

 each about two and a half times longer than wide, the last joint a 

 little longer. The 1st node of the petiole with a short peduncle and 

 distinctly longer than wide, below with a flattened projection. The 

 2nd joint is but little wider than long, but much wider than the 1st. 

 The wings somewhat paler than in the ? ." 



Lehututu, Kalahari. (Schultze.) 



S. (Sub-genus Tetrapona.) Liengmei, Forel. 



Mitth. Schweiz. Ent. Ges., vol. 9, p. 88, £, <J, 1894. 



" ^ • 3*4-3' 7 mm. Mandibles with 4 to 5 teeth, the external margins 

 almost straight, shining, feebly punctured and striate. Head elongate 

 and rectangular, one and a half times as long as wide, somewhat 



