THE 



SOUTH AFRICAN JOURNAL 

 OF SCIENCE: 



BEING THE ORGAN OF THE 



SOOTH AFRICAN ASSOCIATION, 



For ■ ,,,i 



ADVANCEMENT OF SCIENGC# 



Issued Mciithlv. ' '^^^^fAil^^'' >'- 



\/0L VIII. MARCH, 1912. NO. 8. 



CAPE TOWN. 



PUBLISHED BY THE ASSOCIATION 



1912 Price 2s. 



