VOLUMES ONE TO TWENTY-FIVE. 



11 



tility or baiTenness of soils, wlietlier of 

 colour, consistence, or vegetation, v. 

 429. 



Akkell, Thomas, on the drainage of 

 land, a prize essay, iv. 319. See 

 " Drainage of land." 



ARK'ttTaGHT, E., his jjlan of road-mending, 

 xxiii. 451. 



Arnold, George, a prize jilan of double 

 cottages for farm labom'crs, with speci- 

 fications, XV. 455. 



, J., tables of temperature and rain- 

 fall at Aldershot, 1858-60, xxii. 340. 



Arrhexatheeum avenaeeum, see " Com- 

 mon oat-like grass." 



Artichoke, Jerusalem, the, on the ana- 

 lysis of its ashes, by J. T. Way, viii. 

 105-200. 



, analysis of, xiii. 458. 



, M. Boussingault on, vi. 579. 



, the leaves of, if eaten by cows, gives 



a bitter taste to theh milk (Ruegg), 

 xiv. 69, ii. 258, iii. 81. 



, suited to the Wealden clay, xix. 



185 ; bears frost in the ground, and its 

 tops of use for cattle fodder, ib. 



Artificial manures, see " Manm-es." 



Aecndo phi-agmites, see " Eeed, the com- 

 mon;" see also "Phi'agmites com- 

 munis." 



Ascophora nigrans, "the must plant, ex- 

 periments •with as to the action of 

 manures (Prof. Eauhn), xxv. 258. 



Ash, the, analysis of the wood of, xiii. 530. 



Ashes, analysis of wood, xiii. 490 (Nesbit, 

 &c.). 



peat, ib. 



coal, ib. 



sea-weed, ib. 



wood, used in Oxfordshire for lucern, 



clover, and sainfoin (Read), xv. 245. 



of hardwood a supplement to phos- 

 phates and ammonia (Liebig), xvii. 312. 



of soil at Cirencester, composition of 



(Voelckcr), xviii. 363. 



from clay soils, their composition 



(Voelcker), xviii. 365. 



■ a substitute for ammoniacal ma- 

 nures (Voelcker), xviii. 366. 



in various crops, a table of (Rev. 



W. R. Bowditch), xLx. 239. 



Aspect of land, the influence of, on its 

 productiveness, by J. Bravendar, v. 578. 



AsPERGiLL, the, one of the fungi of the 

 dauy, by E. Sidney, x. 395. 



Athol, the late Duke of, his plantations 

 of larch, iii. 293. 



Atkins's design for rotary digger, with 

 stationary engine (Clarke), xx. 192. 



Atmosphere, an impure, a predisposing 

 cause of consumption (L. Playfair), 



iv. 254 ; Professors Youatt and Sewell 

 on, ib. 



AtmosphePvE of stables, on purifying, by 

 a mixture of gypsum or sawdust with 

 sulphmic acid, by H. Reece, iv. 278. 



the food of plants (Fowne), iv. 509. 



, how the drainage of land facilitates 



the entrance of (Parkes), v. 132. 



, on the climate of the British Isles 



in its effects on cultivation, by N.Whit- 

 ley, xi. 1. See "Climate." 



as a source of nitrogen to plants, 



being an account of recent researches 

 on the subject, by J, T. Way, xvi. 249. 



, action of the, on newly deepened 



soil (Jamicson), xvii. 407 ; range of 

 heat at the Cape of Good Hope and hi 

 Nubia, 409 ; temperature in ditferent 

 latitudes, 413 : table of maxima, 414 ; 

 evaporation, effects of, 413; radiation, 

 ib. ; maxima at sunset, 415 ; increased 

 by snow, ib. ; snow-covered rocks split 

 (Darwin), 415; effects of frost, 419;_ 

 annual, monthly, and daily changes of 

 temperature, table, 416; carbonic acid 

 varies in quantity, 425 ; its nature and 

 effects, 429-30 ; dissolves phosphate of 



; lime (Liebig), 432 ; ammonia, its pre- 

 sence in au-, 425 ; its proportion to 

 the atmosphere (Barral, Boussingault, 

 Lawes, and Gilbert), 435 ; affinity of 

 peat for, 436; ozone, 427; air, diy, 

 does not rust iron, 438. 



Atmospheric nutrition of plants, lecture 

 on (Dr. Voelcker), xxv. 531. See 

 " Plants." 



Auger holes in Elkington's draiuagc, xvii. 

 487. 



AuGiTE, the, analysis of, xiii. 532. 



AuRUii maculatum, see " Cuckoo pint." 



Autumn cleansing of stubbles, on, by P. 

 Puscy, viii. 570. 



, by R. TMilward, xiv. 431. 



, and manuring for bean.s, by R. 



Vallentine, xv. 480. 



, advantage of doing so on di-y turnip 



soils, by R. Vallentine, xvi. 347-352. 



AvEiJNG and Porter's improved travelling 

 porters for steam cultivation at New- 

 castle, 1864, xxv. 416. 



AvENA fatua, .'-ee " Wild-oat." 



flavesccns, see " Yellow oat - like 



grass." 



pratensis, .see " Narrow-leaved oat- 

 grass." 



• pubescens, see " Do^vny oat-grass." 



strigosa, see " Bristle-pointed oat." 



Average produce of corn in Dorsetshire, 

 (Ruegg), XV. 424. 



of Essex (Baker\ v. 39. 



hi E. Lothian (Stevenson), xiv. 290. 



