300 INDEX. 



Page. 



Hoofs, value of for manure, . . . - 113 



Hop, varieties and culture of the, . . . . . . 198, 199 



Horse-hoe, use of the, . - ;. . . . . . . .162,163 



Horses, treatment of, . .. . . . .. . * . . 183,238,239 



Hot-bed, construction of a, . . . ... . 248, 249, 250 



Humic acid, . . 15, l(i 



Humus, . . * . . . . . ;*.. .15, 10, DT, 98 



Hydrogen, properties of, 8 



Hygrometer, use of, . . . ^ ... . . . 24, 29 



Ice, properties and use of, 35 



Ichneumon-flies attack other insects, . ... . . . 222, 22-3 



Implements used on the farm, . . . .... .130,141,181,244 



Indian corn and its culture, . * . . ; .55, 158, 161, 163, 212, 24G 

 Indian corn, planting of, . . . . .... . 155,159,160,1(12 



Indian corn, selection of seed of, .... . . . . 150,1(53 



Inorganic fertilizers, enumeration of, ....... 48, 99 



Insects injurious to certain crops, . . . ... 201, 222, 225, 229 



Iris family of plants, ........... 54 



Iron, attraction of oxygen, . . . 7, 64 



Irrigation, uses of, . . . . . * * . . . . 40, 95 



Jelly of vegetables, . 68 



Jersey cattle, characteristics of, ... : ..... 233 



Kaolin, or porcelain clay, .&quot;. .. 78 



Kelp, manuring properties of, . . 63, 110 



Kohl-rabi, culture of, . . . . .. . . . 182 



Lands, preparation of, ..,.. . 134,141,155,158,161,165,178 

 Latent heat in water, . . . . . .... . 35 



Law of nature, ... ,. . . . 9 



Leached ashes, value of,. . . . . 104 



Leaf, structure and functions of the, .. . . . . 46,71,146,147 



Leaves, as fertilizers, ... 



Leguminous plants, cultivation of, 172, 173, 175 



Lentil, soils adapted to the, . , . . . . . . 176 

 Lichens, growth of, . . . . . . . . . . 45, 55, 98, 124 



Light, agency of, . . . . . . 16,20,21,22,146 



Light soils, formation of, ....... .*..* .84,85 



Lime in plants and soil, . . . . .61, 66, 99, 101, 1(55 

 Limestone rocks and soils, .. . , . . . 75,79,88 



Liquid manures, economy of, 119, 120, 204 



Litter, best materials for, 119 



Liquids, effect of warming, 19 



