VOLUMES ONE TO TVENTY-FIVE. 



175 



mid "province of theory, lOS; experi- 

 ments (1st series) on the absorption, of 

 ammonia by (1) calcareous soils, 109- 

 111; (2) fertile loamy soils, 111 ; (3) 

 stiff clay land, 112 ; (4^ sterile sandy 

 soil, 113 ; (5) pasture-land, 114 ; results, 

 115; modes of analysis, 110, 113; ul- 

 mates and humates of ammonia, 113; 

 ammonia absorbed by sandy soils as 

 well as by clay, 116; soluble top- 

 dressings, ib. ; eiiects of organic acids 

 in soils, ib. ; experiments with ]Mr. 

 Mechi's heavy clay soil, 117. Experi- 

 ments (2nd series) with stronger am- 

 ammonia solutions {1) on calcareous 

 soils, US; (2) fertile loam, ib. ; (3) 

 heavy clay, 119 ; (4) sterile sand, ib. ; 

 (5) pastm-e-land, ib. ; table of results, 

 120 ; modes of conducting and correct- 

 ing analyses, 117, 120. Experiments 

 (3rd and 4th series) with ammonia solu- 

 tions of different strength, 121-4 ; am- 

 monia retention experiments (oth 

 series), 126-129; solubility of ammonia 



', compounds in tlie soil, 125 ; presence 

 of ammonia in spring- water, ib. ; effects 

 of rainfall, 128 ; reluctance of soils to 

 part with ammoziia, 129 ; experiments 

 (6th series) with solution of sal-ammo- 

 niaf, 129 ; absorption experiments (7th 

 series) and retention ditto (8th series), 

 with sulphate of ammonia, 130 ; results, 

 131 ; (9th series) retention of ammonia 

 from solution of sal-ammoniac, 132 ; 

 effect of water on ammonia absorbed by 

 the soil, ib. ; ammoniacal salts regarded 

 as solvents, ib. ; summary, 133. 



Soils cause of barrenness in (Dr.Voelcker), 

 XXV. 23S. 



, absorption of potash by soils of 



known composition (Dr.Voelcker), xxv. 

 333. 



SoLDATi's IModulo Milanese, xxiv. 197. 



Solly, S., on the application of clay to 

 moorland, viii. 427. 



SoLWAY moss, its irruptions and present 

 state (W. Dickinson), xiii. 278. 



SoMEKSETSHiRE, Wcst, ou tlic conncxiou 

 between its geology and its agriculture, 

 by Sir H. T. De la Beche, iii. 21. See 

 "Geology." 



, its water-meadows described (P. 



Pusey), iv. 312. 



, ou the farming of, by T. D. Acland, 



a prize report, xi. 666 ; western district, 

 667; farming of the western hill 

 country, 668; the alternate system of 

 arable and grass, 670; the formation 

 of catcli-meadows, 675 ; the turnip-erop, 

 676 ; maiiagement of stock ou the hills, 

 677 ; cattle, ib. ; sheep, 678 ; breeds and 



breeders, 680 ; Mr. Francis Quartly, Lis 

 merits as a breeder, ib. ; sheep, 682 ; 

 the moorlands, 683 ; hill-feuces, 087 ; 

 improvements in Exraoor, 688 ; the 

 Quautock Hills, 693 ; the Vale of Taim- 

 ton, 695 ; the Bridgwater and other 

 Levels, 698 ; water-scwer, 700 ; marsli 

 tarming, grass-lands, 703 ; Chedder 

 cheese, 705 ; dairy-lands, ib. ; peat, 

 moors, 707 ; lias formation, stonebrasli, 

 and clay, 711 ; oolite sands, 718 ; east- 

 ern district, 725; clouted cream and 

 butter, 735 ; cider, 736 ; jilanting, 738 ; 

 implements, 739 ; manures, 740 ; silt or 

 nuul, 741 ; draining, ib. ; farm-build- 

 ings, 743 ; linhays, 746 ; hedgerow 

 timber, 748 ; the labourers, 750 ; allot- 

 ments, 753; green crops and meat pro- 

 duced, 756. 



SojiERSETSHiEE cidcr, analysis of (Dr. 

 Voeleker), xxv. 84. 



Sombrero guano, on the agricultural 

 value of (Sir R. I. Mmchison), xx. 31 ; 

 analysis of specimens, 32. 



roclc, or crust guano (Dr. Voeleker), 



xxi. 363. 



SoNCHUs arvensis, see "Sow-thistle, the 

 corn." 



oloraceus, see "Sow-thistle, the 



common." 



Soot, experiments on, as a dresshig for 

 wheat, by J. JIannam, v. 275. 



, successful application of, to wheat 



and potatoes, at Stinchcombe in Glou- 

 cestershire (J. Morton), i. 401. 



, analj^sis of, xiii. 498. 



, trials with, and other maniu'cs for 



wheat, by Sir J. M. Tyklen, xiv. 15. 



, a valuable fertiliser (Rev. W. R. 



Bowditch), xviii. 301 ; its percentage 

 of sulphate of ammonia, ib. 



■ , its weight, cost, and use for grass, 



xix. 237. 



SoRE-HEADs and fly-galls in sheci> (R. 

 vSmith), viii. 24. 



SoRGHfM saccharatum (Holcus S.), or 

 North China sugar-cane (Dr. Voeleker), 

 XX. 378 ; grown in North America for 

 sugar and distillation, ih. ; trial of, at 

 Cii'encester, ib. ; its composition in 

 August, when it contained no sugar, 

 380 ; and on 26th Septeml>sr, when the 

 stems were sweet and jjalatablc, 381 ; 

 the lower stem containing most sugar 

 and least crude fibre, equal to carrots 

 in flavoiu-, ib. ; the central stem sliould 

 be cut before the branches, 382 ; tlio 

 results obtained in August and Sejj- 

 tcmljer compared, ib. ; green food, when 

 lich in nitrogen is imripe, 383 ; S. 

 hardly suited to English cl imate, ib. ; 



