VOLUMES ONE TO TWENTY-FIVE. 



39 



and Gilbert), xxi. 178 ; causes as- 

 signed ■ for failure of the plant, 179 ; 

 account of experimental plots and 

 their behaviour under ordinary crops, 

 ib. ; table (1) of manures employed in 

 1849, and produce of red clover per 

 acre, 180 ; explanation, 181 ; table (2) 

 of produce of wheat in 1850 without 

 direct manure, after red clover, 182 ; 

 explanation, 181 ; table (3) of manures 

 and produce of clover in second season, 

 1851, 185; preparations for the crop, 

 183 ; explanation of table, 184 ; appear- 

 ance of clover sickness, 186 ; illustra- 

 tive diagram, ih. ; unmanured jjlots 

 most free from disease, ih. ; effects of 

 ammoniacal salts and rape-cake, ih. ; 

 mineral manmes, 187; table (4), com- 

 parative produce of first and second 

 clover crojss, 188 ; marked effects of pot- 

 ash and suj^erphosphate, 189 ; table (5) 

 of manm-es and crops, 1854-5, 190; dif- 

 ferent effects of farmyard manure and 

 minerals, ih. ; table (6), barley crop, by 

 unexhausted manure, on clover-sick 

 land, 191 ; table (7), cow-grass after 

 barley crop in foregoing table, 192 ; no 

 form of manure efficacious for clover- 

 sick land, 193 ; table (8), contemporaiy 

 experunents in kitchen garden at Rot- 

 hamsted; estimated produce per acre 

 of clover for six years on same plot 

 with unchanged seed, 195; sickness 

 due to soil rather than air, ih. ; the 

 clover insect, 196 ; excrementitious 

 matters given out by plant roots and 

 tlieir relation to clover-sickness, ih. ; 

 exhaustion of the soil, 197; Mulder on 

 organic compounds of the soil, ih. ; 

 hypothetical j^artiality of clover for 

 carbon compounds, 197-8 ; sources of 

 carbon for plant assimilation, 198 ; 

 effects of cereal and leguminous crojjs 

 on the atmosphere, ih. ; the fixed 

 alkalies, 199 ; action of gypsum on 

 recently cleared lands, 199 ; M. Eis- 

 Icr's experiments, ih. ; conclusions, 200 ; 

 rest the only remedy, ih. 



Clover, Bokhara, on (W. Pryor), xxiii. 

 405. 



Clover-layeks. on the management of, 

 (C. Rawlence), xxii. 447 ; precautions 

 against sickness, 448. 



Clover-seed, on cleansing, from the 

 seeds of the orobanche, i. 175. 



Clowes, F., of Hemsley, experiments with 

 manures, iv. 281. 



Clutterbuck, Eev. J. C, on the theory of 

 deep-draining, vi. 489. 



, on floods in the Thames basin, xxiv. 



579. 



Clutterbuck, Eev. J., agricultural notes 



on Hertfordshii-e, xxv. 302. 

 Clwyd, Vale of, described by T. Eowland- 



son, vii. 566. 

 Clydesdale horse, the, described, v. 520. 

 Coal contains nitrogen, affords ammonia 



by distillation, Dr. Fownes, iv. 547 ; 



x'viii. 301. 

 , analysis of coal-miner's refuse-heap, 



xiii. 498. 

 , the distillation of (Bowditch), xviii. 



301. 

 Coal-ashes, analysis of, by Dr. Fownes, 



iv. 541. 

 used as a maniire in South Wales 



(Read), x. 144. 



, analysis of, xiii. 490. 



used with night-soil in Oxfordshire 



(Read), xv. 245. 

 Coal formation, on the soils of, by J. 



Trimmer, xii. 494. 

 , on the soils of the, in Derbyshne, 



by J. J. Rowley, xiv. 27. 

 Cockchafer, the tield (J. Curtis), v. 475. 

 Cocked and Son, their improved cheese- 

 making apparatus (Harding), xxi. 89. 

 Cocksfoot gi-ass, analysis of (Way), xiv. 



177. 

 , J. Buckman, on, xv. 464 ; its value 



to the farmer, xvii. 531 ; how affected 



by manui'es (Lawes) , xx. 258. 

 , its growth in different situations, xv. 



468. 

 Cocoa olein (Price's), its use in pleura 



pneumonia (Horsfall), xviii. 190. 

 Codfish, on the refuse of, as a portable 



manure, by Ker B. Hamilton, xiv. 



393. 

 , as a food for pigs (J. B. Lawes), 



xiv. 486. 

 , dried Newfoundland, analysis of 



(Gilbert), xiv. 498. 

 CcENURES cerebralis, the cause of gid in 



sheeiJ, xxiii. 95. 

 CoKE-ASHES, analysis of, by Dr. Fownes, 



iv. 541. See " Coal." 

 , T. W., Earl of Leicester, his im- 

 provements in West Norfolk, iii. 1. See 



" Norfolk." 

 CoLBECK, T. L., on the agriculture of 



Northumberland, a prize report, viii. 



422. 

 CoLBURN, Z., on steam-boiler explosions, 



xxv. 355. 

 CoLCHicrM autumuale, see " Meadow col- 



chicum." 

 Cold clay farm, on the cultivation of, 



by the Rev. G. F. Holcombe, ii. 262. 

 Coleman's cultivator, for steam power, at 



the Canterbuiy meeting, xxi. 491, at 



Famiugham (1851), xxiii. 402; dia- 



