﻿Fig. 1.- — Map illustrating the distribution of the volcanic 

 rocks of JSLoza mbique. 



4° r 3o E. 



[Based on the topographical survey by the staff of the Memba Minerals Ltd., 

 1910-11 (Geogr. Journ. vol. xlii, 1913, p. 112) and on geological observations 

 made by Dr. A. Holmes, Mr. E. J. Wayland, and Mr. D. A. Wray ] 



