THE 



SOUTH AFRICAN JOURNAL 

 OF SCIENCE: 



BEING THE ORGAN OF THE 



SOUTH AFRICAN ASSOCIATION 



FOR THE 



ADVANCEMENT OF SCIENCE. 



Issued Monthly. 



/UJ /, ,,, ^ . .. * 



I mmf I L I > ft fi •-' 



VOL VI. 



JUNE, 1910. 



No. 8. 



CAPE TOWN: 



PUBLISHED BY THE ASSOCIATION. 

 1910 



[Price 2s, 



