246 



INDEX 



Formalin, 215 

 Frost, action of, 38 

 Fruits, 136 



Fumigation, by hydrocyanic acid» 

 231 



by pyrethrum, 230 



by sulphur dioxide, 213, 231 



by tobacco, 231 

 Fungicides, 216 



Gas lime as manure, 115 

 Gases, expansion of, by heat, 26 



in soil, 56 

 Gastric juice, 159 

 Gay-Lussac hydrometer, 236 

 German millet, 128 

 Germination of seeds, 76 

 Glaciers, action of, 37, 38 

 Glucose, 87 

 Glycerol, 90 

 Glyceryl radical, 87 

 Glycocholic acid, 160 

 GlycocoU, 163 

 Glycogen, 85, 162 

 Granularity of matter, 1 

 Grapes, 141 

 Grasses, 148 

 Gravitation, effect of, on water in 



soils, 49 

 Green manuring, 104 

 Green vitriol as manure, 115 

 Grits, 36 



Ground nuts, 131 

 Guano, 101 



bats', 102 



fish, 102 



"native," 104 

 Guinea corn, 129 

 Gypsum, 114 



Haemoglobin, 155 



Hair, 105 



Hardness of water, 64, 67 



Haymaking, 151 



Hays, composition of, 152 



Haystacks, firing of, 151 



Heat, latent, 73 



Heat of combustion, 13 



quantity of, 13 



specific, 43, 72- 

 Heating value of foods, 173 

 Helium, 28 

 Hellebore, 229 

 Hempseed, 134 

 Hippuric acid, 162 

 Hoofs, 159 

 Horn?, 105, 159 

 Humus, functions of, in soil, 45 



physical properties of, 42 

 Hungarian grass, 128 

 Hydrated silicates, 48 

 Hydrocyanic acid fumigation, 231 



in plants, 129 

 Hydrogen ignition temperature, 

 15 



occurrence of, 14 

 Hydrometer, 235 

 Hydroxides of iron and aluminium, 



48 



Igneous rocks, 33 



Indian corn, 125 



Indole, 161 



Insect powder, 229 



Insecticides, 220 



Iron, functions of, in plants, 93 



occurrence of, 21 

 Irrigation, water used in, 69 

 Italian millet, 128 



Japanese millet, 128 



Jerusalem corn, 129 



Kaffir corn, 129 

 Kaffir raanna-koorn, 128 

 I Kainite, 113 



