THE 



SOUTH AFRICAN JOURNAL 

 OF SCIENCE: 



BFilNG THE OKGAX OF THE 



SOUTH AFRICAN ASSOCIATION 



FOR THE 



ADVANCEMENT OF SCIENCL^,y.v^ 



Issitc'd Monthly. ^'\^^-^^iM^ "^ ^ 



VOL. VI. FEBRUARY, 1910. No. 4, 



CAPE TOWN : 



PUBLISHED BY THE ASSOCIATION. 

 1910 



