106 [ASSEVIBLT 



their place may be supplied by those ingredients present. Lime is 

 found to do in the place of magnesia, while alumina is found to be a 

 substitute for the oxides. 



Swamp Muck or Mould. 



Consists of water, 30 per cent. 



Organic matter, 37 do 



Mineral do 33 do 



100 parts. 



Its organic matter has of — 



Soluble manures, 23 per cent. 



Insoluble do 14 do 



37 as above. 



Its saline or mineral matter consists of — 



Soluble, 2^ per cent. 



Insoluble, 30^ do 



33 as above. 



Consisting of f of 1 per cent of the salts of lime, and if per cent of 

 potash and soda. 



Salts of lime being — 



Phosphate of lime, 8^ofl per cent. 



Sulphate do li do 



9 J or f as above. 



Besides the addition of organic or vegetable food, these valuable 

 salts were added to the land, lime also — this, with the phosphates and 

 sulphates, forming, in all probabihty, the chief beneficial effect of th« 

 application. 



This muck has mineral matter in it indispensable to vegetable 

 growth. 1 have ascertained by analysis that there is 37 per cent. 



