.42 



APPENDIX. 



DE SAUSSURE'S INQUIRIES INTO THE ORIGIN OF THE 

 MINERAL INGREDIENTS. 



Granite from 

 Mount 

 Breven. 



Stone of the 

 La Salle Mount. 



Limestone. 



of Reculey d< 



Thoiry. 



Lime 



Alumina 



Silica 



Oxide of iron and manga 



nese 



Carbonic acid 



Petroleum 



Loss 



1-74 

 1325 

 7325 



2-76 



24-36— (Carbonate.) 



1-64 



9-8 



0-25 

 0-5 



According to De Saussure, the proportion of water, carbon, and ashes 

 in the plants, of these three mountains is as follows : 



