MANURE. 



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 Ldbrusca 

 (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 Potassa 13.394 



Silicic acid 29.650 Soda 9.698 



Sulphuric acid 2.062 Chlorine 0.741 



Phosphates 32.950 Organic acid 2.250 



Lime 4.391 



Magnesia 1.740 96.926 



An analysis of wood and bark of wild vine gave 



Wood. Bark. 



Potassa 20.84 1.77 



Soda 2.06 9.27 



Chlorine 0.02 0.40 



Sulphuric acid 0.23 trace 



Phosphate of lime 15.40 5.04 



Phosphate of peroxide of iron 1.20 5.04 



Carbonic acid 54.83 32.22 



Lime .*. 17.33 39.32 



Magnesia 4.40 0.80 



Silex 2.80 14.00 



Soluble silica 0.00 30.00 



Coal and organic matter 2.20 1.70 



100.21 



100.86 



The following tabulated analyses by Crasso 

 Walz explain themselves : 



