410 Transactions of tJie South African PJiitosophical Society. 



bristle-like stylet at the inner angle. Telson short, reaching to apex 

 of basal segment of anal legs, the posterior margin convex at the 

 sides, but produced backwards in the middle portion, the apex 

 emarginate. 



Phylloniscus braunsi n. sp. 



Types. — 3 ex. (No. 9863) from the subterranean galleries of Haclo- 

 termes viator at Willowmore, Cape Colony {Dr. H. Brauns). 



Colour white, the lateral parts and the head semi-transparent. 



Form very broadly ovate, widest at the fourth thoracic segment. 



Head with the posterior margin slightly sinuous in the middle part 

 and almost straight or slightly sinuous in the slightly oblique lateral 

 parts ; basal part of upper surface with 3 transverse arcuate rows 

 of low tubercles, the expanded part of head with 13-15 rounded 

 radiating ribs (counting 1 along the posterior margin on each 

 side). 



Thorax. — Convex mesial portions of segments I-III straight 

 behind, of IV almost straight, of V-VI slightly and broadly sinuated 

 behind, provided in segment I with 2 transverse rows of low rounded 



PhyllonUciis braunsi n. sp. Fig. 1, left antenna from below (x 90 times). 

 Fig. 2, dorsal view of the Isopocl (x 6 times). Fig. 3, outer and inner branch of 

 one of the maxillse of the first pair (outer branch on right of figure) ( x 90 times). 



tubercles (9 in the anterior and 10 in the posterior row, the median 

 tubercle being absent or rudimentary in the latter), and in II-VII 

 with a single posterior row of 11-15 tubercles, those in the posterior 

 segments conical and directed backwards ; the epimera of all these 

 segments subsimilar, the anterior margins being slightly convex and 

 the posterior margins sinuated, the upper surface provided with a 

 large basal tubercle, a small one and an oblique ridge near posterior 

 margin. 



