32 Annals of the South African Museum. 



a s . Interocular area of carapace granular on its anterior half 

 (and bordered laterally by coarse granules) ; under side of 

 humerus smooth ; pectines of <? with about 15 or 16 teeth, the 

 scape rounded at base behind and free of teeth for about 

 two-sevenths of its length. Hand of c? stout, coarsely granular 

 above, its breadth much exceeding the length of hand-back. 

 Calvinia 3 0. laticauda, n. sp. 



b s . Interocular area smooth (mpallidipes sometimes weakly granular 

 anteriorly) ; under side of humerus coarsely granular ; pectines 

 in <j with 24-31 teeth, the scape rectangular at the base behind 

 and toothed throughout its length ; pectines in ? with 16-22 

 teeth, the scape rounded at the base behind and free of teeth 

 for about one-fourth to one-sixth of its length ; hand of adult 3 

 nearly smooth above, slender, with very long fingers, the breadth 

 of hand not exceeding the length of hand-back. 



a 9 . Sides of the carapace abruptly deflected and very steep, very 

 coarsely granular, especially along the borders of the in- 

 terocular area. Namaqualand, van Rhijnsdorp, Clanwilliam, 



Calvinia, and Piquetberg Divisions 



<? ? 0. pallidipcs, C. L. Koch. 



b 9 . Sides of the carapace gradually and not very much deflected, 

 with no coarse granulation bordering the interocular area. 

 Namaqualand, C. C <? ? 0. pcrinyueyi, u. sp. 



