INDEX.

Acid, apocrenic, [21].
Carbonic, [10], [15], [20], [37], [57], [115].
Cerotic, [48].
Crenic, [21].
Geic, [21].
Hippuric, [168].
Humic, [21].
Lactic, [168].
Margaric, [47].
Nitric, [11], [17], [30], [33], [38], [62], [112].
Oleic, [47].
Pectic, [46].
Phosphoric, [73], [90].
Stearic, [47].
Sulphuric, [182], [237].
Ulmic, [21].
Uric, [168].
Adulteration of guano, [211].
Agricultural Chemistry Association of Scotland, [6].
Air, influence of, on germination, [55].
In the pores of soils, [115].
Albite, [86].
Albumen, [48].
Albuminous constituents of plants and animals, [48].
Algoa Bay guano, [208].
Alkaline salts, value of, [260].
Alumina, [73], [86], [103].
Ammonia, absorption of, by plants, [29], [38].
Absorption of, by soils, [123].
Carbonate of, [29].
Composition of, [12].
Decomposition of, by plants, [61].
Presence in dew, [17].
" rain, [17].
Production of, [12].
Properties of, [12].
Proportion of, in air, [16], [20].
Proportion of, in drain water, [112].
Proportion of, in soils, [107].
Sulphate of, [29], [227].
Sulphomuriate of, [227].
Urate of, [205].
Valuation of, [259].
Ammoniacal liquor, [229].
Amylaceous constituents of plants, [40].
Angamos guano, [207], [210].
Animal charcoal, [224].
Manures, [204].
Animals, composition of, [281].
Nitrogenous constituents of, [48], [281].
Apatite, [235].
Ascension Island guano, [208].
Augite, [89].
Australian guano, [207].
Avenine, [50].
Barks, amount of ash in, [66].
Barley, [286].
Barrenness of soils, [109].
Basalt, [92].
Beans, [286].
Bere, [286].
Biphosphate of lime, [237], [260].
Bird Island guano, [208].
Blood as a manure, [220].
Bone ash, [234].
Bone oil, [229].
Bones as a manure, [223].
Dissolved, [237].
Box-feeding, [183].
Bolivian guano, [207], [210].
Bran, [197], [286].
Burning, improvement of soils by, [146].
Cabbage, [286].
Cane sugar, [43].
Carbon, properties of, [10].
Proportion of, in plants, [10].
Carbonate of ammonia, [29].
Lime, [96], [247].
Magnesia, [96].
Potash, [232].
Soda, [232].
Carbonic acid, absorption of, by plants, [37].
Decomposition of, by plants, [57].
Evolution of, by plants, [58].
How obtained, [10].
Properties, [10].
Proportion of, in air, [15], [20].
Carburetted hydrogen, [19].
Calcium, sulphuret of, [252].
Caramel, [44].
Carrot, [286].
Caseine, [50], [283].
Castor cake, [195].
Cattle food, composition of, [286].
Cellulose, [40].
Cerine, [48].
Cerotic acid, [48].
Chaff, [197].
Chalk, [96], [245].
Charcoal, animal, [224].
Chilian guano, [207].
China-clay, [87].
Chloride of potassium, [73], [102].
Sodium, [73], [232].
Manganese, [182].
Clay, [87].
Absorbent action of, [121].
Composition of, [95].
Source of, [88], [94].
Clay-slate, [95].
Classification of plants, [81].
Coprolites, [98], [235].
Coral sand, [246].
Cotton cake, [195], [286].
Crenic acid, [21].
Crops, Mineral matters in, [270].
Nitrogen in different, [270].
Rotation of, [81], [266].
Deep Ploughing, effects of, [144].
Dew, ammonia in, [17].
Nitric acid in, [19].
Dextrine, [43].
Diastase, [43], [53], [55].
Diorite, [92].
Dissolved bones, [237].
Dolerite, [92].
Dotter cake, [286].
Drainage water, analyses of, [112].
Draining, [138].
Dung, composition of, [170].
Dung heaps, management of, [179].
Earth-nut cake, [286].
Emulsine, [50].
Exhaustion of soils, [81].
Farm stock, feeding of, [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].
Margarine, [46].
Marl, [245].
Mexican guano, [207].
Mica, [88].
Mica slate, [91].
Milk, composition of, [283].
Curding of, [51].
Mineral constituents of plants, [9], [63].
Mineral manures, [226].
Mineral matters in different crops, [270].
In animals, [281].
Moisture, influence of, on germination, [55].
Mucilage, [44].
Natrolite, [90].
New Island guano, [208].
Niger cake, [286].
Night-soil, [217].
Nitrate of potash, [229].
Nitrate of soda, [229], [260].
Nitric acid, absorbtion of, by plants, [30], [38].
Decomposition of, by plants, [62].
In drainage water, [112].
In dew, [19].
In air, [17].
In fog, [19].
Production of, [11], [33].
Nitrification, [11].
Nitrogen, amount in a six-course rotation, [160].
Amount of, in different crops, [270].
Presence in the atmosphere, [11].
Properties of, [11].
Proportion of, in plants, [11].
Nitrogenous constituents of plants, [48], [286].
Nitrogenous constituents of animals, [48], [281].
Oats, [286].
Proportion of ash in, [68], [70].
Oil-cakes, [195], [286].
Oils, sweet principle of, [47].
Oily matters, [46].
Oleic acid, [47].
Oleine, [46].
Oligoclase, [86].
Oolitic limestone, [96].
Organic constituents of plants, [8].
Sources of the, [13], [20].
Organic constituents of soils, [103].
Orthoclase, [86].
Oxide of iron in rocks and soils, [87], [107].
Of manganese, [87].
Oxygen, evolution of, by plants, [58].
Influence of, on germination, [55].
Presence in atmosphere, [12].
Properties of, [12].
Proportion of, in plants, [12].
Pacquico Guano, [207].
Paring, improvement of soils by, [146].
Patagonian guano, [207].
Pea-nut cake, [286].
Peas, [286].
Peat, as a manure, [203].
Peat, use of, in dung-heaps, [184].
Pectic acid, [46].
Pectine, [46].
Peruvian Guano, [205], [207], [209].
Upper, [207], [213].
Phosphate of lime, [96], [233].
Value of, [258].
Phosphates, insoluble, [258].
Soluble, [237], [260].
Phospho-Peruvian guano, [243].
Phosphuretted hydrogen in air, [19].
Pigeons' dung, [216].
Plants, Albuminous constituents of, [48].
Amylaceous constituents of, [40].
Ash of, [64], [73].
Classification of, [81].
Inorganic constituents of, [9], [34], [38], [63].
Oily constituents of, [46].
Organic constituents of, [8].
Proximate constituents of, [40].
Saccharine constituents of, [40].
Poppy cake, [196], [286].
Potash, carbonate of, [232].
Muriate of, [231].
Nitrate of, [229].
Plants, [82].
Salts, [231].
Potato, [286].
Poudrette, [217].
Proximate constituents of plants, [40].
Pyroguanite, [236].
Quartz, [86].
Rainwater, [17], [18].
Rape Cake, [196], [286].
Dust, [195].
Rocks, crystalline, [85].
Composition of, [91].
Disintegration of, [85].
Sedimentary, [86].
Roots of plants, amount of ash in, [65].
Rotation of crops, [81], [266].
Rübsen cake, [286].
Rye, [286].
Saccharine Constituents of plants, [40].
Saldanha Bay guano, [207].
Salt, common, [232].
Sandstones, [95].
Schübler's experiments, [127].
Sea Bear Bay guano, [208].
Sea weed, [200], [201].
Seeds, amount of ash in, [64].
Sesamum cake, [286].
Sewage manure, [191].
Shell sand, [246].
Silica plants, [82].
Silicate of potash, [233].
Soda, [233].
Skin, [218].
Soda, carbonate of, [232].
Nitrate of, [229], [260].
Salts, [231].
Silicate of, [233].
Sodium, chloride of, [232].
Soil, the, [20], [83].
Influence on the composition of the ash of plants, [71].
Chemical composition of, [98].
Chemical and physical characters of, [83].
Improvement of, by mechanical means, [137].
Soil, relation of, to heat and moisture, [127].
Soils, absorbent action of, [122].
Air in the pores of, [114].
Analysis, [101], [118].
Barrenness of, [109].
Classification of, [135].
Exhaustion of, [81].
Inorganic constituents of, [85].
Mixing of, [150].
Origin of, [84].
Organic matters in, [103].
Physical characters of, [118], [127].
Sombrero Island guano, [236].
Starch, [41].
Lichen, [42].
Stearic acid, [47].
Stearine, [46].
Stems of plants, ash in, [64].
Straw, amount of ash in, [64].
As a manure, [197].
Sulphate of iron, [182].
Lime, [96], [253], [260].
Magnesia, [182].
Ammonia, [29], [227].
Potash, [231].
Sulphomuriate of ammonia, [227].
Sulphur in plants, [78].
Sulphuret of iron, [135].
Calcium, [252].
Sulphuretted hydrogen, [19].
Sugar, [43].
Of milk, [283].
Subsoil, the, [134].
Ploughing, [143].
Sunflower cake, [286].
Syenite, [91].
Tares, [286].
Teelcake, [286].
Temperature, influence of, on germination, [54].
Thomsonite, [90].
Trap rock, [92].
Tubers, amount of ash in, [65].
Ulmic acid, [21].
Ulmin, [22].
Upper Peruvian guano, [207], [213].
Urate, [216].
Of ammonia, [205].
Urea, [168].
Uric acid, [168], [205].
Urine, composition of, [167].
Human, [168].
Sulphated, [216].
Valuation of manures, [255].
Vegetable manures, [195].
Vegetation, influence of light on, [57].
Voelcker's analyses of dung, [174].
Warping, [148].
Water, absorption of, by plants, [35].
Decomposition of, by plants, [60].
Exhalation of, by plants, [35].
Rain, [17], [18].
Wax, [48].
Wheat, [286].
Woods, amount of ash in, [65].
Woody fibre, [41].
Wool, [219].
Zeolites, [90].

PRINTED BY R. AND R. CLARK, EDINBURGH.