MAJTUKE. 



203 



are dissipated during combustion ,being abundantly 

 supplied from the atmosphere. 



The following are a few of the most reliable analy- 

 ses which have been published : 



Dr. Emmons found the wood of Vitis Lahrusca 

 (Isabella ?) to contain : "Water, 40.26 ; dry matter, 

 59.74; ash, .98. 



Full-sized leaves of Catawba, picked June 2d : 

 Water, 72.388; dry matter, 27.612; ash, 2.138. 

 Per centage of ash calculated on dry matter, 7.746. 



Leaves of Catawba grape picked June 2d. An- 

 alysis of ash : 



Carbonic acid 3.050 



Silicic acid 29.650 



Sulptiuric acid , . 2.062 



Phospiiates 32.950 



Lime 4.391 



Magnesia 1.740 



Potassa 13.394 



Soda 9.698 



Chlorine 0.741 



Organic acid 2.250 



96.926 



An analysis of wood and bark of wild vine gave 



Wood. Bark. 



Potassa , 



Soda 



Chlorine 



Sulphuric acid 



Phosphate of lime 



Phosphate of peroxide of iron. 



Carbonic acid '. . . , 



Lime 



Magnesia 



Silex 



Soluble silica 



Coal and organic matter 



100.21 100.86 



The following tabulated analyses by Crasso & 

 '^"V explain themselves : 



