S7 



In the Malnieabury Division there are several outcrops of carbonate 

 of lime> for instance on the famis Drooge Vlei (Field-cornetcy Zwart- 

 v.-ater). Geelbeksfontein (Field-cornetcy Schryvers Hoek), Springfontem, 

 and Lang Riet Vlei (Field-cornetcy Saldanha Bay). Even if levelling- 

 down does not achieve the desired result, there should be abundance of 

 lime near at hand on which to draw for a supply. 



The existence of these hillocks in various parts of this Colony has 

 been attributed to insects ants, presumably. In this connection atten- 

 tion may be directed to the following : 



"The work of ants is in some regions on so large a scale as to attract the attention of 

 the most casual observer. Especially is this the case in portions of the arid region, from 

 Texas to Montana, where at times large areas are so thickly studded with hills from three 

 to twelve feet in diameter, and one to two feet high, that it is difficult to paas without 

 being attacked by the insect*. The ; mounds ' studding a large portion of the prairie 

 country of Louisiana seem also to be due to the work of ants, although not inhabited at 

 present.'"* 



The last sentence seems to fit exactly the conditions of the Cape 

 " heuveltjes." 



The results of the analyses of the soils from the Malmesbury Divisiort 

 a-re tabulated below: 



(Method II.) 



Percentage of Soil sifted through 1 mm. 

 Sieve. 



Percentage of Soil sifted 

 through 8 mm. Sieve. 



Pho*- 



>/>. <->t. p. hit). 



