INDEX. 



335 



Vergaleu pears, 269. 



Vinegar, specific gravity of, 284. 

 Tendency of wine or cider, to 

 ^run into, 290. 



Virginia, deterioration of the soil 

 in, and causes of it, 18. 



Virtue, see Morals. 



Vitality of plants, seat of the, 119. 

 See Plants. 



Vitriol, oil of, in Glauber's salts, 

 291. 



Von Thaer, Agricultural School 

 of Moegeiia under, 24. On the 

 classification of soils, 39. On 

 soil with a flat and deep mould, 

 117, 7iote. On exhaustion of 

 the soil, 189, 190. 



Von Voght, agricultural success 

 of, at Flottbeck, 115. Means 

 employed by, 115. Principles 

 of his improvements, 117. 



W. 



Wasson, James D., on a commit- 

 tee for publishing The Culti- 

 vator, XV. 



Water, on the circulation of, in a 

 soil, 36, 113. Improvement of 

 soils by draining, 92, 115, 197. 

 Operations of draining, 98 ; from 

 the surface, 98, 139 ; from the 

 soilj 99 ; from the subsoil, 103. 

 Detrimental to root crops, 165. 

 In the air, 239, 288. Bad etfects 

 of stagnant, 241, 242. Hints 

 on draining off, 245. Velocity 

 of, in rivers, 284. Discharged 

 from a pump, 284. Assumed 

 specific gravity of, 284, 290. 

 Weight of a cubic inch of distil- 

 led, in a vacuum, 286. Weight 

 and measurement of rain, 287 ; 

 of distilled, 287. Chemical ac- 

 tion with, 287. Absorption of, 

 from the air, 288. Cause of the 

 fluidity of, 289. Bulk of, re- 

 moved by floating bodies, 290, 

 See Draining ujid Soils. 



Watering cattle, 250. 



Watson, Bishop, on evaporation 

 in time of drought, 288. 



Wealth, agriculture the principal 

 source of National, 14, 264. 

 Agriculture, as a means of ob- 

 taining, 27, 264. Remarks on, 

 276, 277. 



W'edge, power of the, 284. 



Weeds, extirpation of, 122, 168, 

 266. 



Weights, 286. Standard of, 286. 

 Of various substances, 286, 287. 

 Of grains, 287. Of various 

 coins, 296. 



Western States and Eastern, com- 

 pared, as to soil, 56. 



Wet soils, improvement of, by 

 draining, 92, 245. Causes of, 

 95. Operations of draining, 98. 

 See Meadows. 



Wheat, average crops of, in Flan- 

 ders, 22 ; in Scotland, 22 ; in 

 England, Pennsylvania, and Ma- 

 ryland, 23. Experiment in ap- 

 plying manure to, 77, note. 

 Depth of the roots of, 114. At 

 Flottbeck, 116. Lime found 

 in, 154, 184, 195,199. On the 

 Coles Farm, 176. Soil for, 183. 

 Exhaustion of the soil by, 190. 

 Weight of, 287. 



Wheel and axle, 283. Power 

 gained in the, 284. 



Wheels, friction of, 284. 



White-top grass, 228. 



Whitney, Henry, 262. 



Wild, cited, 30. 



Wild onions, 123. 



Winchester bushel, size of the, 

 287. 



Winter grain, ploughing for, 169. 

 On harrowing, in the Spring, 

 215. 



Wisping cattle, 250. 



Witch grass, 232. See Quack 

 grass. 



WTiitington, on agriculture, 35. 



Woburn, table of the product of 

 grasses at, 226. 



Wood-ashes, a manure, 74. 



Woollen rags, a manure, 73, 203. 



Worcester county, Massachusetts, 

 Agricultural Society in, 265. 



