VOLUMES ONE TO TWENTY-FIVE. 



53 



the deer, ib. ; butter, improvements in 

 the make of, 450. 



Dove, the valley of, its alluvium soils 

 analysed (Derbyshire), xiv. 58. 



Do^vNE, Viscount, on the uselessness of 

 bearing-reins, xv. 73. 



Downing, , his plan of growing root 



crops, viii. 27(5. 



College estates (P. H. Frere), xxi. 430. 



Down land, on the advantages of plough- 

 ing up (T. Walkden), iv. 80. 



of Salisbury Plahi, iv. 80. 



near Marl))orougli, iv. 81 . 



, on the breaking up of, a prize essay, 



by J. Bravendar, vii. 1G3. 



on the breaking up of, in Dorset- 

 shire (Ruegg), XV. 437. 



sheep (see " Sheep "), experiments on 



the comparative feeding qualities of the 

 Hampshire and Sussex Down sheep, 

 by J. B. Lawes, xii. 414, xvi. 73. 



sheep, J. Wilson on, xvi. 233 ; wool 



of, 241. 



Downy oat-grass, analysis of (Way), xiv. 

 177. 



, its growth in different situations 



(Buckman), xv. 468, xvii. 541. 



Drag for carts described, vii. 230. 



Deainage implements, J. Morton, jun., 

 on. iii. 100. 



of land, on, by J. F. Burke, ii. 273. 



, rejiorts of results obtained in 



thorough-chaining and subsoil-plough- 

 ing in 1840 and 1841, by R.White, ii. 346. 



, belonguig to Sir R. Peel at Drayton, 



account of, by Sir R. Peel, iii. 18. 



, by H. Brown, iii. 165. 



, by P. Pusey, iv. 23. 



, its antiquity in the east of England, 



iv. 24. 



, Rev. C. Hill on Suifolk drain- 

 ing, iv. 24; materials used, 26; plans 

 of trench-drains, 28 ; expense of, 30. 



, S. Jonas on Sufiblfc draining, iv. 



32. 



, W. Flack on Hertfordshire draining, 



33. 



, long practised in Hertfordshire, iv. 



34. 



, Essex drainage, by R. Baker, iv. 35. 



, Essex draining, by M. Nockolds, 



iv. 38. 



, Essex draining, by Oxley Parker, 



iv. 39. 



, Norfolk draining, on, by H. Evans, 



iv. 43. 



, remarks on, by P. Pusey, iv. 45 ; 



expenses of, 4G ; cost of thorough- 

 draining one acre, 48. 



, sanitary effects of, by E. Chadwick, 



iv. 151. 



DRAINAGE. 



Drainage, reijort to Hon. R. Clive on his 

 draining and subsoil ploughing, by 

 E. White, iv. 172. 



, on, by T. Arkell, prize essay, iv. 



318 ; the depth and frequency of 

 drains, 323 ; the materials used, tiles, 

 stone, clay, 324 ; on filling drains, 

 330 ; the direction of drains, 333 ; 

 the fall requhed, 334 ; benefits derived 

 from draining heavy land, ib. ; im- 

 proved climate from, 335; the dura- 

 bility of drains, 338 ; the j^ast and 

 present practice of draining, ib. ; dis- 

 tricts in England which require (1842) 

 the most extensive efforts in drain- 

 ing, ib. 



, on the proper materials for filling 



up drains, and the mode in which water 

 enters them, by R. Beart, iv. 411; his 

 experience in chaining cold clay-land, 

 ib. ; the geological cliaracter of the clay 

 soils of Huntingdonshire, ib. ; the 

 depth and frequency of the drains, 

 412 ; use of worms as drainers of land, 

 ib. ; the way in which the water enters 

 the drain, 413 ; advantages of deep 

 drains, 414 ; under drains, open ch-ains, 

 ib. ; plan of the drainage of a field, 

 415 ; the ftxll requu-cd ancl the necessity 

 of levelling high-ridged lands, 418 ; 

 the best time for levelling and chaining 

 land, 419 ; on the fall in diaius, ib. ; 

 in large rivers, ib. ; best materials in 

 Himtingdonshire for under-draining, 

 420 ; filling in, whether with tenacious 

 or porous earth, 421 ; block draining, 

 422 ; eftect of water holding clay iu 

 suspension, 425. 



■ , the i^actical mode of draining clay- 

 land lying wet from surface water, the 

 laying out of the ground for tlie mains 

 and small drains, with the cost of 

 draining with tiles, wood, peat, turf, 

 or wedge and block draining, iv. 425 ; 

 summary of the expense of these modes 

 of draining, 430. 



, state of, in Cheshire, W. Palin, v. 



77. 



, on the influence of water on the 



temperature of soils, on the quantity of 

 rain-water, and its discharge by drains, 

 by Josiah Parkes, v. 119; physical 

 action of water, 120; a soil perfectly 

 fhy and perfectly wet alike sterile, ib. ; 

 1 inch depth of rain is ecpial to 1 ton 

 per acre, 122 ; water a powerful radiator 

 of heat, 123 ; rain- water carries heat 

 into a soil, 124 ; drains, depth of, ib. ; 

 covered, ib. ; soils absorb moisture, the 

 extent of the absorption, 126 ; Professor 

 Leslie's trials on, ib. ; absorption and 



