COMPOSITION OF THE ASH OF A N.S.W. SEA-WEED. 



99 



s 



. 3*61 + 





Fe 2 3 . 



•44 





FeO 



.. 2*30 





p 2 o 5 . 



•75 





CaO . 



. 5*50 





MgO . 



. 5*19 





01 



.. 15*62 





00 2 . 



.. 8-22 





K 2 . 



. 24*59 





Na 2 . 



. 18*15 





Iodine . 



•89 

 105*46 





Subtract equival< 



11 11 



11 11 



31lt to CI 

 S 

 I 



3'52°/0 

 1-81 } 

 •06 J 



105*46 



5-39 



Total 



100-07 



In connection with the above piece of work I beg to 

 express my appreciation of the kindly interest shown and 

 valuable suggestions made by Professor Liversidge, f.r.s. 



