Nature, 1 



November 25, 1900J 



INDEX. 



Aebev tCieorge), the Balance of Nature and Modern Con- 

 ditions of Cultivation, a Practical Manual of Animal Foes 

 and Friends for the Country Gentleman, the Farmer, the 

 Forester, the Gardener, and the Sportsman, 5 

 Abegg (Prof. R.J, a Question of Percentages, 220 

 Ablett (C. A.), Tests for determining the Economy of 

 Steam Engines Used in Driving Reversing Rolling-mill 

 Engines, 437 

 Abraham {.George D.), British Mountain Climbs, 485 

 Abruzzi (S.A.R. il Principe Luigi Amedeo di Savoia, Duca 

 degli), II Ruwenzori, parte scientifica, risultati delle 

 osservazioni e studi compiuti sul materiale raccolto dalla 

 spedizione di, 31 

 Absorption of Light in Space, the, J. A. Parkhurst, 314 

 Acarus Crossii, the, Charles E. Benham, 127 

 Acoustics : Musical Sands, Cecil Carus-Wilson, 69, 159 ; 

 Rev. Dr. A. Irving, 99: Musical Sands in Chile, M. H. 

 Gray, 126; Barisal Guns in Australia, Dr. J. Burton 

 Cleland, 127; Further Experiments with the Gramophone, 

 Prof. John G. McKendrick, F.R.S., 488; the .\nalysis 

 of .Sounds Used in Speech, Edwin Edser, 533 

 Adamellogruppe, die, ein alpines Zentralmassiv, und seine 

 Bedeutung fur die Gebirgsbildung und unsere Kenntniss 

 von dem .Mechanismus der Intrusionen, Wilhelm Salomon, 



lOI 



Adamson {E.), Tests on Cast Iron, 438 



Adaptation in Fossil Plants, Dr. D. H. Scott, F.R.S., at 

 Linnean Societ)', 115 



Addenbrooke (G. L.), Public Supply of Electric Power, 228 



Adhicary (Birendra Bhusan), .Aurvedic Metallic Prepara- 

 tions, Part i., 270 



Adie (R. H.), Junior Chemistry, 95 



Aerodynamics ; E.xperimental Method for .\erodynamical 

 Researches, .\. Rateau, 29 



Aeronautics : the Aeronautical Society, Eric Stuart Bruce, 

 6: Prof. G. H. Bryan, F.R.S., 6; Ascent of Balloon 

 .ilhatross, Lieut. Mina and Signor Piacenza, 225 



.lather of Space, the, Charles W. Raffety, 127 



Africa : II Ruwenzori : parte scientifica : risultati delle 

 osservazioni e studi compiuti sul materiale raccolto dalla 

 spedizione di S.A.R. il Principe Luigi Amedeo di 

 Savoia, Duca degli Abruzzi, Sir H. H. Johnston, 

 G.C.M.G., K.C.B., ,31 ; R^sultats scientifiques des 

 \'oyages en Afrique d'Edouard Foa, Sir H. H. Johnston, 

 G.C.M.G., K.C.B., 31 ; Wissenschaftliche Ergebnisse der 

 deutschen Tiefsee-Expedition auf dem Dampfer Valdivia 

 iSq.S-i899, das Kapland, insonderheit das Reich der 

 Kapflora, das Waldgebiet und die Karroo, pflanzen- 

 geographi^ch dargestelt, Rudolf Marloth, 129; Bathy- 

 orographical Map of Africa, 187; Catalogue of the Fresh- 

 water Fishes of .Africa in the British Museum (Natural 

 History), G. A. Boulenger, 216; African Entomological 

 Research Committee, 27S : the Geologv of South .Africa, 

 Dr. F. H. Hatch and Dr. G. S. Corstorphine, 4^^; ; 

 Percy Sladen Memorial Expedition in South-west .Africa, 

 190S-9, Prof. H. H. W. Pearson, 466, 499 



Agriculture: Swine in .America, F. D. Coburn, ir- Ideal 

 British Wheat, .A. E. Humphries. 78 ; Bacterial Disease 

 of Lucerne, 79 ; Endoparasites of Australian Stock, Dr. 

 Georgina Sweet, 79 ; Journal of Agriculture of South 

 Australia, 79 ; Diminished Yield of Cotton due to In- 

 sutlirient Drainage, W. Lawrence Balls, So ; Improving 



the Indian Cottons, P. F. Fyson, 108; the Experimental 

 Breeding of Indian Cottons, H. M. Leake, 434; Fall in 

 the -Average Yield of Egyptian Cotton, 137 ; Cotton in 

 .America, Stewart J. .McCall, 227 ; the Fixation of 

 Nitrogen by Soil Bacteria, A. D. Hall, F.R.S., 98; 

 Turkish Tobacco in Cape Colony, 108 ; Removal of 

 Charlock from Corn Crops, G. F". Strawson, 108 ; Use 

 of Soya Beans as Cattle Food, 137 ; Processes for the 

 I'ixation of .Atmospheric Nitrogen, 143 ; the State and 

 the Farmer, Prof. L. H. Bailey, 157 ; Boric Acid in 

 .Milk from Cows Fed on Indian Cotton Cake, Mr. 

 Collins, 168; Wheat in South Australia, ifa8 ; Milk Test- 

 ing, C. W. Walker-Tisdale, 187 ; the Journal of the 

 Cooper Research Laboratory, 187 ; Agriculture in Russia, 

 .M. Hitler, 197; Sterilisation by the Ultra-violet Rays, 

 .Application to the Butter Industry, MM. Dornic and 

 Daire, 210; Onions in Northern Indiana, 226; Estima- 

 tion of Fat in Unsweetened Evaporated Milk, Messrs. 

 Hunziker and Spitzer, 226; Milking Machine, 227; 

 Recent Publications on .Agriculture from India and 

 Ceylon, 231 ; Thermal Effects of Moistening Soils, A. 

 Muntz and H. Gaudechon, 239 ; Importance of Phos- 

 phates in Fertility, Messrs. Whitson and Stoddart, 265 ; 

 Bovine Tuberculosis in Wisconsin, Messrs. Russell and 

 Hoffmann, 266; the "King" System of Ventilating 

 Barns and Cow-sheds, 266 ; Agriculture in the Trans- 

 vaal, 268; the .Administration of Agricultural Education, 

 428 : Climatic F>atures of Wyoming and their Relation 

 to " Drv-farming," W. S. Palmer, 435; Pests of Para 

 Rubber Trees, H. C. Pratt, 462; W. J. Gallagher, 462: 

 .Attempt to Check Ravages on Tea-plants in Ceylon of 

 the " Shot-hole Borer " Beetle by introducing a Pre- 

 daceous Beetle iCleriis formicarius), E. E. Green, 462 ; 

 Fertilisers and Manures, .A. D. Hall, F.R.S., 4S3 ; Death 

 of Prof. J. Scott, 493 ; see also British Association 



.Air Pollution by Smoke, the Nature and Extent of. Prof. 

 J. B. Cohen and .A. G. Ruston at Health Congress, 468 



Aitken (Dr. John, F.R.S.), the Ringing of House-bells 

 without .Apparent Cause, 246 



.Aitken (Prof. R. G.), Double-star Measures, 138 



Alcock (Dr. F. M.), Changes in the Habits of the Women 

 of the Upper Middle Classes during the Last Fifty 

 Years, 476 



.Alcock (Dr. N. H.), Report of the Committee on .Anes- 

 thetics, 507 



.Allen (E. Heron), .\renaceous Foraminifera, 79 



.Allen (Prof. Frank), Effect on the Persistence of Vision 

 of Fatiguing the Eye with Red, Orange, and Yellow, 

 473 : New Method of Measuring the Luminosity of the 

 Spectrum. 473 



AUiot (Henri), Washing of Cider Apples with an Oxidising 

 Calcium Salt leading to Pure Fermentation, 420 



.Alsberg (Moritz), Recently Discovered Fossil Human Re- 

 mains and their Bearing upon the History of the Human 

 Race, 131 



Alt (E.), Double Daily Oscillation of the Barometer, 81 



.Altitude Tables, computed for Intervals of Four Minutes 

 between the Parallels of Latitude 24° and 60°, and 

 Parallels of Declination 24° and 60°, designed for the 

 Determination of the Position Lines at all Hour Angles 

 without Logarithmic Computation, Frederic Ball, 4 



.AU\- (Mr.), Electromagnetic Method of Studying the 



