334 



INDEX. 



T. 



Tables, oftlie comparative product 

 and value of grasses, at Wo- 

 burn, under the direction of 

 the Duke of Bedford, 226. 

 Showing tlie bushels of marl 

 necessary to give one per cent, 

 of carbonate of lime to an acre, 

 for ploughed soils, 292. On the 

 breadths and lengths of an acre, 

 293. Comparing the American 

 with the Scotch and Irish acre, 

 293. Giving the hills or plants, 

 on an acre, 294. Of the weight 

 and value of foreign coins, 296. 



Tall oat-grass, 227, 229. See 

 Oat-grass. 



Tallow, weight of, 286. 



Tap-roots, depth of, 114, 167. 

 Soil for, 199. 



Taxes, paid by agriculture, 14. 



Taylor, John, on gypsum, as a 

 manure, 89. On tillage, 121. 

 On tall oat-grass, 229. 



Teachers, want of agricultural, 279. 



Teeth of harrows, 145, 147. 



Thistles, Canada, 123. In Scot- 

 land, 266, 267. 



Tiles, used for drains, 99, 101. 



Tillage, principles of, 112. Ope- 

 rations of, 124 ; by the plough, 

 124 ; by the harrow, 144 ; the 

 roller, 148; the cultivator, 150; 

 the drill-barrow, 151. Alterna- 

 tion of crops in, 152. Lands 

 better adapted to, than to grass, 



233. See Agriculture. 

 Timothv, remarks on, 225, 227, 



234, 235. 



Tolls, paid by agriculture, 14. 



Tools, farmers', 123. See Imple- 

 ments. 



Topping corn, cutting up, instead 

 of, 251. 



Traces, length of, in ploughing, 

 144. 



Transition formation, fertility of 

 the, 200, 201, note. 



Transplanting trees, 256. 



Trees, remarks on the destruction 

 of, 55 ; on alternation of, in for- 



ests, 155, 161. About dwel- 

 lings, 244. As an ornament, 

 253. Cultivation of, by the 

 author, 254. Set out at Bangor, 

 255. Dearborn's hints re- 

 specting, 255. Mode and time 

 of transplanting, 256. Effects 

 of, on the beauty of the land- 

 scape, 257 ; upon the body 

 and mind, 258. 



Trench-ploughing, 115, 117, 118. 



Troy weights, 286. 



Tull, Jethro, on tillage, 121. 



Turkish pounds, 286. 



'rurnips, for ploughing in, 118. 

 Sulphur in, 154. Cultivated in 

 Germany, 163. Introduction 

 of, into Great Britain, 163. Soil 

 for, 199. 



U. 



Under-drains, advantages of, 96. 

 Cases for resorting to, 99. Con- 

 duits to, 100. Directions re- 

 specting, 111. At Flottbeck, 

 116. See Draining. 



Urette, a manure, 72. 



Urine, for manure, 66, 72, 203. 



V. 



Value of foreign coins, 296. 



Van Bergen, practice of, in sow- 

 ing grass-seeds, 209. 



Van Mons, on brittleness, from 

 cold, 289. 



Vapors, elasticity of, 288. 



Vary, Samuel T., products and 

 sales of the farm of, 159. 



Vegetable and animal nutrition, 

 analogy between, 57, 188. 



Vegetables, food for, 36. Feed- 

 ing, 38, 59, 188, 274. Agents 

 in the nutrition or growth of, 

 51. Ignorance as to the best, 

 269. See Plants. 



Velocity of water in rivers, 284. 



Venice, 10, 12. 



Ventilation, 243, 244, 291. 



Vera Cruz, Humboldt on vet, ela- 

 tion on the declivity of the Cor- 

 dilleras, near, 202, note. 



