Fauna and Stratigraphy of the Stormberg Series. 



461 



old rocks without the intervention of the Kundulungu series, and 

 has a thickness of fully 700 ft. near Luebo and of 800 ft. on Lomani 

 with a dip towards the centre of the basin. Mathieu hints that 

 I Sail and Shaler inav be correct in surmising; that the Lualaba and 



Fig. 54. Sketch-map of Belgian Congo to show distribution of Karroo System 



(from Revue Zool. Afric.). 



Lubilache Beds may possibly be only phases of the one series. 

 Passau, Horneman and others agree, however, with Cornet in sepa- 

 rating the two series, and Passau has shown that Cornet separated 

 the Lualaba from the Lubilache by means of a distinct carbonaceous 

 shaley zone below the sandstone of the latter. These carbonaceous 

 shales occur over a wide area, e. g. at Stanley Falls, the Lomani 



