442 CLAUDE FULLER. 



ridge which is interrupted in the middle and has a faint 

 elevation anterior to the break. 



Eyes black, sab-reniform, facing obliquely outwards. 



Ocelli obscurely represented by pale spots. 



Clypeus with a triple edged cephalic mai-gin (the epi- 

 stome) ; median edge extending over labrum as a thin pale 

 plate ; without a transverse ridge, but with a faint median 

 elevation. 



Labrum with lobed sides as in mossambicus, but with a 

 flatly convex and not brace-shaped or acute distal margin, as 

 with the other allied species. 



Mandibles yellow-red over greater area ; apical points and 

 teeth black. Much lighter in colour and with a greater 

 coloured area than in mossambicus. Dentation and form 

 as in transvaalensis but with outer margins moi*e curvate ; 

 apical points sub-lunate, fine, long, slender and much 

 incurved ; that of left but a little more slender than of right ; 

 incisions above first tooth very acute. Both mandibles 

 distinctly narrower and more incurved than those of 

 mossambicus; the third tooth of the left more suppressed 

 than in either mossambicus or transvaalensis, the 

 process below it more acute ; the margin below process 

 bicurvate, less oblique than in transvaalensis. Right 

 mandible with cutting edge like that of transvaalensis 

 and with three incisions and two scallops below second 

 tooth. 



Antennae whip-like ; joints III, TV, and V sub-equal ; III 

 the smallest, or IV sometimes smaller than III and V, or IV 

 longer than III and wider than V. Number of joints 31. 



Post-gen^ as with transvaalensis. 



Gula much paler than post-genfe ; scoop-shaped ; free 

 blade sub-oblong with straight sides and straight distal 

 margin ; sides not conspicuously chitinised ; inserted stem 

 short. 



Thorax. — Pale yellow suffused with mahogany-red, 

 cephalic border of pronotum pale and almost Avhite. Struc- 

 tural details in general ae'reement with those of trans- 



