510 Annals of the South African Museum. 



Eyes rather large, placed in the middle of the sides. Width of 

 pronotum a little more than half that of the head. Pronotum rounded 

 at the sides and hind angles, not marginate. Pro-mesonotal suture 

 distinct, fairly deep at the sides. Mesonotum about one-fifth longer 

 than wide at the base, the median carinula not high, extending over 

 the anterior third of the mesonotum. The latter is not marginate at 

 the sides, moderately convex in profile. Dorsum of epinotum twice 

 as wide as long, widening moderately towards the apex, slightly 

 convex lengthwise. The spines are thin, acute, moderately divergent, 

 oblique, and usually half as long as the interval between them ; the 

 declivity very smooth and shining. First joint of petiole trapezoidal, 

 about as long as wide in front and not much wider in front than 

 behind, the dorsal face smooth and shining, concave. There is a very 

 small tubercle on each side terminating the upper margin of the sides. 

 Node of 2nd joint grooved longitudinally in the middle, the groove 

 not deep, the discs a little longer than wide. . 



" 9 • 8-9 mm. Very similar to the $ m colour, the head is also 

 dull, more sharply striate, thorax shining above, finely striate at the 

 sides, epinotum obtusely bidentate, the ] st segment of the petiole 

 wider, the sides straight, obliquely concave in front, without posterior 

 tubercles, the 2nd segment less deeply grooved. Wings hyaline, the 

 costa pale fuscous. 



" ^ . 4 mm. Black, head dull, thorax nitidulous, delicately striate, 

 abdomen shining, punctures piligerous and foveiform, antennae 

 12-jointed, moniliform, the mandibles narrow, acutely tridentate; the 

 1st segment of the rather short petiole is obliquely truncate in front, 

 the 2nd evenly convex." 



Capetown (Peringuey) ; Port Elizabeth (Brauns). (S.A.M., R.M., 

 G-.A. colls.) 



A nest of this species sent to me by Dr. H. Brauns is very much 

 like the one which has been figured and described by Mayr in the 

 Ann. K.K.N.H. Mus. Wien, vol. 16, p. 14, 1901. It consists of an 

 ovoid carton mass, attached to the stems of a reed or grass, of a dark 

 brown colour and pierced by numerous galleries and chambers, and 

 looking, when cut across, very much like a coarse toilet- sponge. The 

 outer surface is composed of less compact material than the inner 

 substance, being in fact a close felt-like layer formed of short pieces 

 of grass. The reed stems pass through the nest near its major axis. 



Var. angustior, n. v. (= race cacodaemon, Forel, pars). 



^ • 3 - 6-4"8 mm. Smaller and narrower than the type-species. 

 The head, excluding the mandibles, is a little longer than wide, the 



