HOMESTEAD LAW, 249. HOPS, 164. HORSES, 132; carrots as food for, 182. HUDSON, the, 16; a fruit farmer on the, 16; the valley of the, 165; banks of the upper, 191; the valley of the upper, 190, 191, 317. HUMBOLDT, the river, 81. HUMBOLDT, the, or Canada Creek, 75. HUNGARY, 164. ILLINOIS, State of, 37; Northern, 163, 164; prairies of, 164, 246, 264, 289. INDIANA, 37, 163. INSECTS--INSECTS--BIRDS, chap. xxii, 129; the serious loss to farmers from insects, 129; birds our best allies, 129; what good they can do, 130; ravages of insects not entirely due to the scarcity of birds, 130; degeneracy of our plants largely causes their ravages, 130; Gov. Packer of Pennsylvania's observations thereon, 130-31; the case of wheat and other plants, 131; a war against insects must continue for a generation, 131; the destruction of birds, 132; the measures to be adopted against insects, 132; birds should be preserved, 132; associations should be formed to do so, 132; artificial posts, 133; legal measures proposed, 133; their ravages in Newcastle township, Westchester, N. Y., 147-8; caterpillars, 148; numerous from neglect, 148; duties of farmers and fruit growers, 149. INTELLECT (in Agriculture)--INTELLECT IN AGRICULTURE, chap. xxxiii, 195; years of rugged manual labor essential to success in hewing a farm out of the forest, 195; value of education to the farmer, 196; our average common schools defective in not teaching geology and chemistry, 196; the leading principles and facts of these sciences ought to constitute the reader of the highest class in the common schools, 196; counsel to the young farmer on agricultural books, 197; their value demonstrated, 198; a two-hundred acre farm will be found to give ample scope, 199; instructions regarding particular books, 199; men of the strongest minds and best abilities will be attracted to farming so fast and so far as it becomes intellectual, 199. INTEREST, relatively high in this country, 202. IOWA, 27, 163, 164, 168. IRELAND, 170, 175, 289.