332 



INDEX. 



and its benefits, 266, 267. Glas- 

 gow exhibition in, in 183S, 268. 



Screw, 283. Power of the, 284. 



Sea-league, 285. 



Sea-water, specific gravity of, 284. 



Sea-weed, as a luanure, 73. 



Secondary formation, fertility of 

 the, 200, 201, Jtote. 



Seeds, compared to eggs, 59. 

 Planting of, 244, 247. Germi- 

 nation of, 246. Sprouting, 248. 



Seeley, W. A., farm of, and ma- 

 nure, 275. 



Seneca Lake, Robinson's farm on 

 the banks of, 25. 



Setting out trees, 244, 253, 254, 258. 



Shadow, breadth of the moon's, 

 284. 



Sheds, hints on, 244, 249. 



Sheep, grass and roots compared 

 to, 188, Depasturing with, en- 

 riches soil, 198. At the Glas- 

 gow exhibition, 268. 



Sheep-folds, on making manure 

 in, 69. 



Shell-marl, as a manure, 89. 



Shilling, weight and value of the 

 Enghsh, 296. 



Shows, see Exhibitions. 



Shrubs, about dwellings, 244. Ob- 

 jection to, considered, 270. 



Siliiman, Benjamin, 262. 



Silver, specific gravity of, 284, 

 290. Nitrate of, 291. \Veight 

 and value of foreign coins of, 

 296. 



Sinclair, Sir John, on crops in 

 Scotland, 22. Classification of 

 soils by, 39. On Flemish agri- 

 culture, 40. On gravelly soils, 

 43. On loams, 49. On sub- 

 soils, 51. On pasturing mead- 

 ows, 208. On the division of a 

 farm into permanent grass and 

 permanent tillage, 210. On 

 watering cattle, 250, note. On 

 the acreable products of Scot- 

 land, 267. 



Sinking bodies in water, 290. 



Sipple and Pennewell, the farm 

 of, 25. 



Skinner, A. N., 262. 



Slate, clay, specificgravity of, 284. 



Sleeping apartments, 243, 244. 



Soap-suds, a manure, 66. 



Societies, see Agricultural. 



Society, Farmers, as members of, 

 xviii, 276. On the improve- 

 ment of, 271. 



Socrates, on agriculture, 33. 



Soda, hyposulphate of, 291. 



Sodium, 291. 



Sods, instrument for cutting, 206 



Soils, exhausted by the common 

 mode of farming, 17, 153, 187 ; 

 in Virginia, IS ; in the Northern 

 States, 19, 56. On enriching, 

 instead of exhausting, 21, 56, 

 57. Consist of earths and de- 

 composed organic matter, 35. 

 Use of the earthy parts of, 36. 

 Should have friability, or loose- 

 ness of texture, 36 ; capacity 

 to absorb moisture from the at- 

 mosphere, 36, 121. Black, 

 preferable, 37. Different clas- 

 sifications of, 39. Sandy, 39. 

 Gravelly, 43. Clay, 44. Chalk, 

 46. Peaty, 47. Alluvial, 48. 

 Loam, 49. Offices of, 50. Sub- 

 soil, 51. Improvement of, 53. 

 Elements and agents of fertility 

 in, 54. Clearing and burning, 

 54. Of the Eastern and West- 

 ern States compared, 56, 92. 

 Further improvement of, 62 ; 

 by animal and vegetable ma- 

 nures, 66 ; by mineral manures, 

 78 ; by draining, 92,245. Ope- 

 rations of draining, 98. Princi- 

 ples of tilling, 112. Pulveriza- 

 tion of, recommended, 113, 116, 

 121,167. On cleanness ofjwhile 

 the crop is growing, 114. Ex- 

 periments on, at Floitbeck, 1 15. 

 Requisitions in, for the penetra- 

 tion of roots, 117. Remarks on 

 the fertility of, 121, 194, 199 

 Operations of tilling, 124. Im 

 proved, by alternation of crops, 

 152 ; by root culture, 163 ; by 

 substituting fallow crops, for 



