A Monograph of the Formicidae of South Africa. 527 



9 . 10 - 1 mm. Reddish-brown, the anterior half of the head, the 

 paraptera, the base of epinotum and 1st segment of petiole paler or 

 yellowish red-brown ; abdomen dark brownish-red, antennae, mandibles 

 and tarsi dull ochreons, femora and tibiae brownish-ochreous. Pilosity 

 and pubescence as in the ^ . Head longitudinally striate, the striae 

 more or less effaced between the frontal area and the ocelli, that 

 area being more or less shining, sparsely and strongly punctured. 

 Mandibles striate, sparsely punctured between the striae. Anterior 

 margin of clypeus with a row of large punctures. Mesonotum and 

 scutellum smooth and shining, with some sparse, evenly distributed 

 and fairly large punctures. Dorsum of epinotum dull, transversely 

 striato-rugulose. Petiole : 1st segment very finely rugulose and dull, 

 2nd segment slightly shining, feebly rugulose and sparsely punctured. 

 Abdomen smooth and shining, sparsely punctured, the punctures 

 small and piligerous. Head widest behind, one-fifth wider than long, 

 the posterior margin straight, the angles narrowly rounded. Frontal 

 area scutiform and well defined, the frontal sulcus deep and ending at 

 the anterior ocellus. Eyes convex, placed at the middle of the sides. 

 Scapes not quite reaching the posterior margin of the head. Mesonotum 

 not so narrow as in tricolor and allied forms, as wide as long, scutellum 

 (excluding the paraptera)^ half as long as the mesonotum, its hind 

 margin semi-circular. Dorsum of epinotum four times wider at the 

 base than long, ending on each side in a stout, horizontal, and triangular 

 tooth ; the declivity vertical, shining and smooth. First segment of 

 petiole more or less trapezoidal, one-third wider in front than long, 

 the anterior angles subacute ; node of 2nd segment one and a-half 

 times wider than long, widest in front, with pronounced anterior 

 angles, the posterior margin slightly concave in the middle. Wings 

 hyaline, nervures and stigma dark yellow. 



Bothaville, O.F.S. (Brauns). (G.A. coll.) 



Yar. amita, Forel. (Plate VI, fig. 75.) 



Ann. Soc. Ent. Belg., vol. 57, p. 125, g , 1913. 



$. 3*5-4"3 mm. Dark-brown, the base of the abdomen paler. 

 Legs pale-brown, tarsi and flagellum reddish-ochreous. Pro-mesonotal 

 suture much deeper than in the type-species, the mesonotal median 

 cannula much more prominent and longer, extending back as a raised 

 line as far as the brow of the declivous face ; the latter less oblique 

 than in the type. The dorsum of the epinotum has a deep, median 

 and longitudinal impression, which is bax-ely indicated in the type. 

 The posterior margin of the head is less emarginate. I am unable to 



