INDEX. 



321 



Combe, on the inhalation of air, 

 241. 



Combing cattle, 251. 



Commerce, Dean on, xiv. Na- 

 tional importance of agriculture, 

 compared with, 9, 12. 



Common soil, weight of, 286. 



Comparison of the American with 

 the Scotch and Irish acre, 293. 



Composts, objects of, 69. See 

 Manure. 



Compression of air, 288. 



Concave rollers, 150. 



Concklin's press-harrow, 150,206. 



Condensation of air, 288. 



Conduits for drains, 99. Con- 

 struction of, for under-drains, 

 100. 



Connecticut, farming in, 271. 



Contents of casks, 282. 



Convexity of the earth, effects of 

 the, 283. 



Cooper, on fallow crops, 170. 



Cordilleras of Anahuac, Humboldt 

 on vegetation on the declivity of 

 the, 202, note. 



Cork, specific gravity of, 284. 

 Weight of, 286. 



Corn, increased products of, in 

 Great Britain, 22. Hints on 

 raising, 61. Alternation in In- 

 dian, 156. Cutting up, instead 

 of topping, 251. 



Country, dependence of, on agri- 

 culture, 264. See Agriculture. 



Courteur, on liquid and stable ma- 

 nure, 77, note. 



Coventry, Dr., estimates by, on 

 manure, 275. 



Cropping, effects of, and manur- 

 ing, 186. 



Crops, comparison of, in Great 

 Britain, 11, 22. In Flanders 

 and Scotland, 22. In Pennsyl- 

 vania and Maryland, 23. Ne- 

 cessity of feeding, 38, 60, 274. 

 For sandy soils, 40 ; for grav- 

 elly, 44 ; for clayey, 45 ; for 

 chalk, 47 ; for peaty, 48 ; for 

 alluvial soils, 49 ; for loams, 

 50 ; for different districts, 63. 



On keeping surface soil clean 

 during the growth of, 11.4. Ro- 

 tation of, at Flottbeck, 116. Al- 

 ternation of, 152. Culmiferous 

 and leguminous, 155. Of roots 

 from poor and manured soils, 

 166. On substituting fallow, 

 for naked fallows, 169 ; profits 

 therefrom, 171 ; hints respect- 

 ing it, 173 ; cases, 174. On 

 the farm of Coles, 177. Com- 

 pared to cattle and horses, 188, 

 274. Decay of, on the soil, 

 196. Management of field and 

 garden, 244. Stirring the soil 

 among tillage, in time of drought, 

 245, 288. On the farm of VV. 

 A. Seeley, 275. See Alterna- 

 tion. 



Cross-ploughing, 137. 



Crown, value of the, 296. 



Cubic weights and measures, 286, 

 287. 



Culinary vegetables, 269. See 

 Vegetables. 



Culm, meaning of, 155, 298. 



Culmiferous crops, 155, Form of 

 the roots of, 156. 



Cultivated grasses, 212. Timo- 

 thy, or herds-grass, 225. Red- 

 top, or herds-grass, 228. A- 

 merican Cock's-foot, or Orch- 

 ard-grass, 228. Tall Oat-grass, 



229. Sweet-scented Vernal- 

 grass, 230. Meadow Foxtail, 



230. Rye-grass, 231. Classi- 

 fication of soils for, 232. 



Cultivator, The, established, xv. 

 Circulation of xvi, 19. Buel's 

 writings in it, xxii. Agents to 

 promote the circulation of, 262. 

 Amount of matter in, 281. 



Cultivators, agricultural imple- 

 ments, 123. Construction and 

 value of, 150. 



Curvature, for ridges, 134. 



Curwen, on a crop of cabbages, 

 245. 



Cut-and-covcr practice, 113. 



Cutting up corn, 251. 



Cylinders, the friction of, 284. 



