A Monograph of the Formicidae of South Africa. 637 



frontal carinae a little closer together. The clypeus is less sharply 

 carinate than in the § media of sexpunctatus, and the declivity of the 

 epinotum is slightly longer and less oblique. Otherwise like sex- 

 punctatus. 



Q minor. Forel says the minimum size of these is 9*5 mm. They 

 have "a yellow thorax and only a brownish median longitudinal line 

 on the abdomen and a brownish lateral spot". 



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



Var. a. 



%. 15 mm. A little smaller than the type of the race. The 

 head a little more convex-sided, and the petiole slightly thinner, the 

 femora more reddish and becoming gradually darker or brownish red 

 on the apical half. Otherwise like the type of the race. 



^ media, 11 mm. Colour much the same as in Liengmei, but the 

 head is darker or brownish red, the dorsum of the thorax and the 

 tibiae also a shade darker. The yellow spots on the first two ab- 

 dominal segments are paler, more distinctly defined and longer, ex- 

 tending from the base almost to the apical margin of the segments. 

 The head is more convex behind the eyes, and the latter are placed 

 further back, at the posterior third (just behind the middle in the 

 type of the race). 



^ minor, 8-10 mm. The colour as in the ^ media, but the head 

 paler or varying from brownish ochreous to rusty-reddish brown, the 

 dark median longitudinal band on the first two abdominal segments 

 narrower. The head behind the eyes is trapezoidal, that portion of 

 the sides feebly convex in the larger ^§ (10 mm.), but straight in 

 the smallest § ^. The scale of the petiole is thicker than in the ^ 

 media, longer below than wide above, the dorsal face rounded. 



Haris, S.W.A. (R. W. E. Tucker). 



(S.AM., G.A. colls.). 



Var. (3. 



(syn. melanocnemis, Santschi, Ann. Soc. Ent. France, vol. 79, p. 368, 1910 

 and vol. 84, p. 278, 1915). 



9|, 15*5 mm. The size of this form is not stated in Santschi's 

 description. My specimens have been determined as melanocnemis by 

 Dr. Santschi himself. Apart from the slightly smaller size, the only 

 other points of difference lie in the colour and slightly thinner petiole. 

 The colour of the lower half of the thorax, the petiole and femora 

 is of a dark reddish-ochre, darker than the colour of the femora in 



