404 Transactions of the South African Philosophical Society. 



sweep backwards, but it might be the representation of the Dorcas 

 or the Seemering gazelle, the horns of which are somewhat long and 

 slender and their tips turned inwards and forwards. 



Owing to the gradual penetration of the French into the Sudan, 

 there has been brought lately to light the presence of "rock- 

 engravings " in the southern part of Algeria, and especially in the 

 "In Salah " region, some 1,100 miles as the crow flies from the 

 northern part of the Lake Chad, and somewhat in the direction of 



Fig. 13. 



the locality mentioned by Barth, but also further south. The 

 Arabic name is there, " the written stones." 



A careful examination of these engravings has shown that they 

 are of two kinds. 



Not only the technique differs, but also the reproduced figures, 

 and the patination is different according to M. G. B. Flamand, 

 of the Geological Survey of Algeria, who discovered and investigated 

 those relics."' In several places he was able to find representa- 

 tions of Bubal/us antiquus, an extinct species of Buffalo, whose 

 surviving ally is the " Ami " or Indian Buffalo. Distinguishing 

 between these engravings and others attributed to a Lybico-Berber 

 race, M. Flamand says, "Prehistoric man possessed a sense of 

 drawing, and although he never took perspective into account, he 



* ' L'Anthropologie," vol. ii., p. 555. 1900, Paris, 



