PROPERTIES, ETC. 49 



ash of the shell is rich in carbonates that 

 of the nib is almost devoid of carbon- 

 ates. 



" A very careful analysis of the ash of the 

 entire seed has been recently made by my 

 friend, Mr. Wm. Bettel, in my laboratory. 

 The results are as follows : 



" Composition of ash of the entire seeds 

 (Caracas), 



Potash K 2 O 29.81 



Chloride of Sodium Na Cl . 6.10 



Peroxide of Iron Fi 2 O 3 . . . 1.60 



Alumina A1 2 O 3 2.40 



LimeCaO ^ 7.72 



Magnesia Mg O 7'9 



Phosphoric Acid P 2 O s V . . 24.28 

 Sulphuric Acid S O 3 . < . . . ' 1.92 



Carbonic Acid C O 2 . : . . * , 0.98 



Silica Si O 2 5-oo 



Sand . . . . * . 12.15 



99.86 



