VOLUMES ONE TO TWENTY-FIVE. 



139 



prize essay, by E. Vallentinc, xv. 478 ; 

 liow to make them cleansing crops, 

 481 ; varieties of seed, 485 ; their dis- 

 eases, 48G. 



Peas, growth of, iu Buckinghamshire 

 (Read), xvi. 291. 



Peat-ashes, burning of, by taskwork, tlie 

 cost of, by H. Eayabird, vii. 136. 



, analysis of, xiii. 490. 



Peat-chakcoal as a manure for turnips, 

 by W. Uppleby, v. 507 ; the precau- 

 tions necessary in charring the peat, 

 ib. ; the turnips manured with this 

 dressing, 508. 



• , as a manure for turnips and other 



crops, by H. Eaynbird, a prize essay, 

 vii. 539. 



, analysis of, xiii. 490. 



, as a deodoriser of town sewage 



(Way), XV. 157. 



Peat-soils, on the imjirovemcnt of, a 

 prize essay, by C. W. Johnson, ii. 390 ; 

 where commonly situated, ■ib. ; level 

 and deep, ib. ; saturated with water, 

 colour when dried, ib. ; inflammable, 

 ib. ; its origin and gradual formation, 

 391 ; tlie ordinary plants which are in- 

 digenous to bog-soils, ib.; Dutch ashes, 

 their analysis, 392 ; the composition of 

 the liquid in which peat-soils are soak- 

 ing, ib. ; analysis of two barren peat- 

 moss soils, 393 ; erroneous modes of 

 reclaiming peat-soils, ib. ; without drain- 

 ing them, ib. ; and yet attemiDting to 

 gi-ow fii-tees in, 394 ; where converted 

 into excellent water - meadows, 395 ; 

 power of the steam-engine to drain and 

 Lrrigate land, o9G ; lime as an applica- 

 tion for peat-soils, ib. ; potatoes as a first 

 crop, ib. ; following crops, ib. ; manures 

 applicable by the drill, 397 ; peat and 

 nightsoil in compost, ib. ; lime and 

 peat in compost, 398 ; mode of dividing 

 fields, ditches, hedges, 399 ; results of 

 bringing bogs into cultivation, ib. ; 

 on the improvement of, by P. Pnsey, 

 400 ; good drainage the primary step, 

 ib. ; the first crop in Lincolnshire, 

 401 ; subsoil-ploughing, 403 ; the second 

 crop, 405 ; rye-grass, ib. ; clay applied 

 to peat-soils, 406; this clay in Lincoln- 

 shire how found, 407 ; claying de- 

 scribed by W. B. Wingate, ib. ; on the 

 action of lime on peat, 410 ; Sir C. G. S. 

 Monteith's account of the use of lime 

 on peat-soils iu Scotland, ib. ; kinds of 

 clay employed, ib. ; on the aijplication 

 of a marine peat as a manure in Car- 

 narvonshire, by Eev. J. \. Vincent, 

 417 ; claying the peat-soils, mode of, 

 described by P. Pusey, iv. 299. 



Peat-soils, on those of Norfolk, by J. 

 Trinmier, vii. 474. 



, their inlluence on the temperature 



of the atmosphere (Whitley;, xi. Jl ; 

 those of Ireland, ib. 



, or moors of Somersetshire (Acland), 



xi. 707. 



of Lincolnshire, described bv J. A. 



Clarke, xii. 281, 288, 368, 381, 382. 



, paring and burning of, iu Lincoln- 

 shire (Clarke), xii. 381. 



• , claying of, in Lincolnshire, xii. 



382. 



, the peat-mosses of Cumberland, by 



W. Dickinson, xiii. 278 ; Solway moss, 

 ib. 



, marl from Forfarshire analysed, xiii. 



536. 



, drained and undrained, from Le\\es 



and Holland, analysis of, xiii. 540. 



, analysis of one said to be over- 

 limed, xiii. 554. 



, rotation on a, in Derbyshu-e (Eow- 



ley), xiv. 49. 



, farming of the hght (Haxton), xv. 



95, 122. 



, experiment with nitrate of soda and 



guano on a peat-bog, by J. D. Nicol, 

 XV. 185. 



, on the barrenness and fertility of, 



by J. Coleman, xvi. 173, 181. 



and bogs of Ireland (E. Smith), 



xvii. 351. 



Peat-tiles, on the use of, for draining, 

 by the Duke of Richmond, viii. 570. 



Pectin, found in fruits, and obtained, by 

 boiling, from turnips and other roots, 

 xviii. 408. 



Pedigree in wheat, as a means of in- 

 creasing the crop (F. F. Hallett), xxii. 

 371 ; the duection of increase, ib. ; 

 constituents of wheat plant, .372 ; hori- 

 zontal and vertical development, ib. ; 

 pedigree in plants, selection of seed, 

 high-bred cereals, 373 ; table of results, 

 374 ; kinds of wheat experimented 

 Avith, ib. ; plan of selection and dia- 

 grams showing increase, 374-5 ; superior 

 vitality of one grain in each ear, ib. ; 

 comparative experiments on the yield 

 of wheat grown on the old and new 

 systems, 376 ; season of planting, ib, ; 

 width of intervals between singly 

 planted seeds, 377 ; the system applied 

 to field culture, ib. ; details of manage- 

 ment and produce of two experimental 

 fields, 378 ; quantity of seed influenced 

 by time of sowing, 379 ; dibbling, how 

 effected, ih. ; summary of advantages, 

 ib. ; extension of seed time, economy 

 of seed, rapid early growth, 380 ; facili- 



