276.

Farm-yard manure, 166, 172.
Application of, 186.

Fat, amount of, in animals, 281.

Fatty acids, 47.
Matters, 46.

Feeding cakes, 286.

Feeding of farm stock, 276.

Felspar, 86.
Decomposition of, 88.

Fermentation of manure, 184.

Fire-clay, 95.

Fish manure, 221.

Flesh as a manure, 220.

Fog, ammonia in, 17.
Nitric acid in, 19.

Food, cattle, 286.

Fruits, amount of ash in, 66.

Gas Lime, 252.

Geic acid, 21.

Germination, 54.

Gluten, 49.

Glutin, 49.

Glycerine, 47.

Gneiss, 91.

Granite, 91.

Grape sugar, 44.

Greenstone, 92.

Green manuring, 198.

Guano, 204.
Adulteration of, 211.
Application of, 214.
Average composition of, 207.
Fish, 222.
Peruvian, characters of, 209.
Phospho-Peruvian, 243.
Sombrero Island, 236.

Hair, 218.

Hay, 286.

Heat, evolution of, by plants, 60.

Hempseed cake, 286.

Hippuric acid, 168.

Horn, 218.

Hornblende, 89.

Humic acid, 21.

Humin, 22.

Humus, 21, 98, 133.

Hydrogen, 10.

Ichaboe Guano, 207.

Indian guano, 208.

Inorganic constituents of plants, 9, 34.

Inorganic constituents;
Absorption by plants, 38.
Proportion in plants, 64.

Inorganic constituents of soils, 85.

Inuline, 43.

Iodine in plants, 76.

Iron, protoxide of, in soils, 107.
Sulphate of, 182.
Sulphuret of, in subsoils, 135.

Kaolin, 87.

Kooria Mooria guano, 207.

Labradorite, 86.

Lactic acid, 168.

Latham Island guano, 207.

Leaves, amount of ash in, 65.
As a manure, 202.

Legumine, 50.

Lichen starch, 42.

Light, influence of, on plants, 57.

Lime, action of, on soils, 248.
As a manure, 245.
Bicarbonate of, 122.
Carbonate of, 96.
Biphosphate of, 237, 260.
Humate of, 125
Phosphate of, 96, 233, 258.
Sulphate of, 96, 253, 260.

Lime-plants, 82.

Limestone, 96.

Linseed cake, 195.

Liquid manure, 166, 187.

Madia Sativa, 286.

Magnesia, carbonate of, 96.
Sulphate of, 182, 233.

Magnesian limestone, 96.

Malt-dust, 197.

Manganese in plants, 73.
Oxide of, 73, 87.
Chloride of, 182.

Mangold-wurzel, 286.

Manures, animal, 204.

Manures, application of, 165, 186.
Fermentation of, 184.
Farm-yard, 166, 172.
Liquid, 166, 187.
Mineral, 226.
Theory of, 156.
Sewage, 191.
Vegetable, 195.
Valuation of, 255.

Manuring, Green, 198.
Principles of, 152.

Maple peas, 286.

Maracaybo guano, 236.

Margaric acid, 47.