INDEX. 



Absorption of Q^rbonic Acid 49 



Ammonia 

 Acidity of Plants 

 Agriculture, its Importance 

 Ammonia, its Composition . 

 yielded by Volca- 

 noes 

 absorbed by Char, 

 coal 

 Analysis of Animal matter 

 Ammonia 

 Barley 

 Beans 

 Buckwheat 

 Bran 

 Bones 

 Chalk 



113 



74 



8 



55 



66 



119 



60 



113 



77 



28 



28 



77 



105 



100 



115 



77 



132 



39 



77 



136 



91 



106 



40 



28 



84 



Apatite 

 Ashes, ' 



Fir tree . 

 Guano 

 Gum 



Le.Tves of Oak . 

 Night Soil 

 Nitrate of Soda , 

 Nitrate of Lime 

 Oil . 

 Peas 

 Potash 

 Phosphate of 



Lime . . 105 

 Soda . . 89 



Salt ... 86 

 Sugar . .39 

 Starch . . 39 

 Urine . . 141 

 Woollen Rags . 151 

 Wheat . 139,59 

 WheatStraw,109,77 

 Water . . 69 

 . 105 



f 



Wood 

 Coal 

 Peat 

 Beech 



114 

 115 

 116 

 115 



Base of Plants ... 74 



Beet Root . . . .10 



Cultivation . . 73 



Bird's Dung . . .127 



Blubber . . . . 118 



Bread . . . .93 



Carbon . . . .36 



Carbonate of Ammonia . 60 



Carbonic Acid Gas . . 38 



absorbed by Char- 

 coal . . 119 



a constituent of 



Plants . . 42 



Chalk . . . .100 



Charcoal . . . .119 



Chemistry, its utility . . 6 



Chlorine . . . .87 



Coal Ashes . . .115 



Compost Heap . . 82, 145 



Danbeny on Ammonia . 66 



Nitrate of Soda 92 



Davy on Soils . . .25 



Decay of matter . . 47 



Dung . . . .122 



Birds . . .127 



Dogs . . .133 



Efflorescence of Nitre . 79 



Electricity . . . 22 



Excess of Nutriment . . 48 



Excrement of Plants . . 30 



Animals . 66 



Fallow Crops . 



Farm. Yard Manure 



Fat . 



Fibres of Roots . 



Fir, Norwegian 



Fish . 



Fish Oils . 



Flint . 



Flour 



. 28 

 . 122 

 . 116 

 . 16 

 . 75 

 . 117 

 . 116 

 . 109 

 . 93 



