A Monograph of the Formicidae of South Africa. 659 



concave from above to below. Convexity of thorax, L. = 3| H. 

 Scale of petiole fairly wide above, the anterior face convex, the 

 posterior face flat, the dorsal edge fairly trenchant and convex trans- 

 versely. Tibiae cylindrical, not setose below. 



§ minor, 6 mm. Head a little less than one-fourth longer than 

 wide, the posterior angles rounded, the posterior margin slightly 

 convex, the sides feebly so and convergent anteriorly, one and a half 

 times wider just behind the eyes than accross the anterior margin. 

 Scapes longer than in the Qj. Disc of pronotum flatter. Dorsum of 

 epinotum one-fourth longer than the declivity. Otherwise like the Qj.. 



9, 11"2 mm. Colour, pilosity, pubescence and sculpture as in the Qj.. 

 Head like that of the § minor, but a little less narrowed in front. 

 Mesonotum a trifle longer than wide, the shoulders of the pronotum 

 rounded and visible from above; scutellum wide. Dorsum of epinotum 

 trapezoidal, moderately convex, more than twice as wide at the base 

 as long in the middle, shorter than the vertical declivity. Edge of 

 scale less convex transversely, the upper half of the anterior face 

 slightly concave transversely. Wings tinged with pale ochreous, 

 nervures ochreous, stigma brown. Otherwise like the Qj.. 



cf, 6 mm. Black. Head and mesonotum dull, finely and 

 closely reticulate-punctate ; the rest of the body moderately shining 

 and rugulose. Pilosity dirty white, less abundant than in the Qj. or 

 9, and not truncated. Head a little wider across the eyes than long, 

 semicircular in outline behind the eyes, straight and almost parallel- 

 sided in front of them. Clypeus slightly convex transversely, the 

 anterior margin arcuate. Scapes barely longer than the width of the 

 head. Eyes large and convex, occupying a little more than the middle 

 third of the sides. Mesonotum convex in front, flat above and behind. 

 Scutellum gibbous. The declivity of the epinotum slightly oblique, 

 its brow more rounded. Petiole nodiform, with a long upper face 

 which is rounded from front to back and two and half times wider 

 than long. Wings as in the 9- 



Port Elizabeth, (Brauns); Durban, (Marley); Lehututu, Kalahari, 

 (Schultze). (S.A.M., R.M., G.A. colls.). 



Race irredux, Forel. 

 Schultze, Reise Siidafrika, vol. 4, p. 30, g, 1910. 



%., 8 mm. § 4*5-6 mm. Differing from the type of the species 

 as follows: 



42 



