756 Annals of the South African Museum. 



in its upper two-thirds which is marginate and transversely concave : 

 the lower third, on the contrary, is not marginate, and is convex 

 transversely. Scale thick, a little higher than the length of its base. 

 The anterior face vertical, feebly convex transversely. Posterior 

 face convex and oblique in front, merging into the upper face which is 

 concave between its angles. The latter prolonged into a spine which 

 is directed backwards, upwards and outwards and is as long as the 

 interval between its base and that of the other spine. The very 

 angular (trenchant ?) outer margin of the scale has a slight triangular 

 prominence below the spine. Abdomen oval, wider than the thorax, 

 subtruncate in front with the margins rounded. Dealated." 

 Natal, (H. B. Marley). 



