Ëritish. Association for 
t'ie Advancex-nent of Bcienco* 
IT np ub lis 0 d f r Ö 0 f. 
Section D.— SouÆ Africa, 1905. 
Index TiTo. j 40 
? r ? r r r t 
? 5 ; 
t' ^ a' I ^ ^ 
D 5 
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