S.A. .lOUHNAL OF SCIKM'E, VOL. XVIl 



I'lioto. by 1. B. Pole Evans. 



Fig. 19. — TJiiiiuihi ti'id 11,1 lit (luriii.u ^laifli. — Kaalfoiitein, ntai- Johannes- 

 burg, Transvaal. 





Photo, by I. B. Pole Evans. 



Fig. 20. — Thcmeda trlaiulrn in November. — Kaalfontein, near Johannesburg, 

 Transvaal. 



HIGHVELD. 



