INDEX. 299 



Page. 



Food, in proportion to weight, 234, 235, 237, 241 



Forage plants, culture of, 56, 188, 190, 193, 247 



Forest, soil of the, 90 



Forest trees, effect of, 95, 98 



Freezing, process of, 25, 37, 81 



Fruit and its culture, 47, 251 



Furrow slice, turning of the, * . .142,143,145 



Garden mould, richness of, 82 



Gases of the air, * 6, 8, 11, 18 



Geine or humus, ........... 15 



Genus and its divisions, 51 



Germination of the plant, .... 47, 48, 146, 148, 149, 153,- 154 



Geology, objects of, 75 



Glauber s salt, formation of, . 63 



Gluten and its composition, . . . . . 70, 71, 264, 265, 267, 268 

 Gneiss, composition of, .......... 76 



Gooseberry, cultivation of the, . 253 



Grains, time of harvesting the, 169, 170, 253, 254 



Granite, composition of, . . . . . . . . . 76, 77 



Grapes, time of setting and pruning, , 253 



Grasses and their culture, . . . . .55, 188, 192, 207 



Grasses, curing of the, 210, 211 



Grasses, time of cutting, .-...-... 207,208 



Grasses, species of in mixture, . . . . . . .189,190,191 



Gravitation, attraction of, .-....... . . . . 19, 20 



Greenness of leaves, to what due, . 71 



Green manures, plants best fo r, 108, 109, 111 



Greenstone rocks, disintegration of, 75, 76 



Guano, origin and uses of, 122, 180 



Gum, varieties of, 68 



Gypsum or plaster, 15, 96, 102, 117 



Hail, formation of, 38 



Hair, use of as a manure, . . . . . . . . . 113 



Hard water, how to make soft, ........ 102 



Harrow, use of the, 142, 145, 155 



Harvest, time of the, 166, 169, 170, 207, 209, 211, 213 



Hay crop, uses of the, 207,208 



Hay, curing of, 209, 210, 211 



Health, effect of noxious vapors on, ....... 127 



Heat, diffusive nature of, 12, 16, 18, 24, 25, 31 



Hemp, soils adapted to, 196 



Hereford cattle, characteristics of, 234 



Hoar frost, formation of, 32 



26* 



