VOLUMES OXE TO TWENTY-FIVE. 



AjnioxiA, the prevention of its escape from 



dun?:, iv. 539. 

 , liquor containing, from gasworks, 



iv. 541 ; observations on, by Dr. A, 



Voelcker, xvi. 93. 

 , the large mass wasterl in the sew- 

 age of London, Dr. Fowne, iv. 5-17. 

 , its sources of supply, and its money 



value, by J. T. Way, x. 218. 



, sulphate of, v. tiOl ; x. 220. 



, salts of, the power of the soil to 



retain, by H. S. Thompson, xi. 70 ; by 



J. T. Way, 313. 

 , trials with salts of, as a manure for 



wheat, by J. B. Lawes, xii. 10-12. 

 , chemical jjroperties of (Hemming), 



xiii. 427. 

 in soils before and after liming, by 



J. T. Way, XV. 505-512. 



emitted by decomposing vegetable 



matters, xvi. 333 (Bowditch). 



the manure for cereals (Way), xvi. 



535 ; commercial value of, 53(j ; money 

 value of, in different substances, 539. 



, its i^resence in the air, see "At- 

 mosphere," xvii. 425, 435 ; affinity of 

 peat for, 436 ; in burnt clay (Faraday), 

 452 ; Reiset's experiments, 452 ; ab- 

 sorbed by porous bodies, ib. ; exi^eri- 

 meuts by Bonis, ib. ; attracted by oxide 

 of iron, 453; do. by anhydrous sid- 

 phates (Eose), ib. ; table of proijortions 

 (Way), 454. 



, the quantity of, in drainage water, 



xvii. 134 ; that in rain-water overes- 

 timated by M. Barral (J. T. Way), 

 145 ; more fulls in the rain than is 

 found in drainage-water, 14G ; appara- 

 tus for determining (J. T. Way), 159; 

 fixed by gypsum, 222 ; waste of, in the 

 growth of plants (Liebig), 322 ; quan- 

 tity of, in rain-water (Way), 618. 



, in farmyard manure and dung-heaps 



(Dr. Voelcker), xviii. Ill ; free ammonia 

 inconsiderable, except in interior of 

 dung-heajjs, 112 ; little escape of, from 

 horsedung, fresh or fermented, 119; in 

 dry guano not more than f per cent., 

 121 ; experiments on fixing it, 126. 



, the jjroportion in which it causes 



lodging of the barley crop (Lawes and 

 Gilbert), xviii. 482. 



, is it useful in turnip manure, sup- 

 plied as suljjhate? (Dr. Voelckerj, xix. 

 155, 162, 179, 180. 



, its action on meadow (Lawes and 



Gilbert), xix. 561. 



, quantity of, in atmospheric air (M. 



Bineau), xxv. 534. 



Ammoniacal J^lts distinguished from am- 

 monia itself xvii. 298-301 ; why partly 



inoperative (Liebig , 300; their use ani 



diminishing effects on after crops, 303. 

 AwMOFHiLA arundanacea, see " Sea-reed 



or matweed." 

 Amos, C. E., his report on the trials of 



ploughs at the Paris meeting, 1856, 



xvii. 39. 

 , on the horse-works patented by J. 



Hartas, xx. 130. 

 AMYGDALOID rocks, the farming of the 



light fcoils of (Haxton"!, xv. 93. 

 AxAGALis arveusis, see " Pimpernel." 

 Analysis, by Mr. Spence, the expense of, 



ii. 36 ; by Professor Wnj, xiii. 34 ; 



mode of, viii. 207. 



of soils, on, by Dr. Fownes, iv. 



547. 



of soils, a prize essay on, by Rev. 



W. L. Eham, i. 46 ; imperfections of 

 methods and results (Lawes), xvii.- 

 600. 



of the ashes of plants, on, by Dr. 



Fownes, iv. 552 ; bv Way and Ogston, 

 vii. 593 ; by J. T. Way, viii. 134. 



of vegetable substances collected 



and tabulated, by E. T. Hennning, xiii. 

 449. See " Soils, Guano," &c. 



of farmyard-manure, under various 



circiunstances (Dr. Voelcker), xvii. 

 191 ; in a fresh and dry state, 198 - 

 rotten, 203 ; composition of ash, solu- 

 able and insoluble, 204 ; detailed com- 

 position of manure, 205 ; ditto, when 

 dried at 212-", various analyses, 214 ; of 

 manure kept under cover, once watered, 

 218 ; ditto, exposed to the weather, 222 ; 

 fresh manure, analysis of (227), at dif- 

 ferent periods of exposure, 228 ; tables 

 of loss of constituents, 235. 



of soils of Eothamsted and Lois 



Weedon (Lawes and Gilbertj, xvii. 603 ; 

 their absorptive power for water and 

 ammonia, 60S ; further experiments,. 

 611. 



of turnips anburied (Dr. Voelcker),. 



XX. 104. 



of white turnips, swedes, mangolds,. 



and carrots (Dr. Voelcker i, xxi. 162. 



of wheat and barley straw, xxi. 161. 



of clover-hay, xxi. 162. 



of the ashes of plants, how far valu- 

 able (Dr. Voelcker), xxiv. 42. 



Anatomy', see " Cattle," " Sheep," 

 " Horses," &c. 



Anbury, see " Finger and toe." 



Ancholmk, river in Lhicolnshire, its 

 drainage value (P. Puicy), iv. 293. 



Anderson, Dr., on the specific gravity of 

 swede turnips, xxiii. 361. 



, on the process of vegetation in tur- 

 nips, xxiv. 434, 



