^vpplement to Natute,~\ 

 " Novemier 26, 189 1 J 



INDEX 



IDIE (A.d'), a Straight Hand, 444 



Abbe (Prof. Cleveland), Cloud Heights — Kinematic Method, 

 398 



Abbott (Dr. S. W.), on Diphtheria, 369 



Abel (Sir Frederick, F. R.S.) : Inaugural Address at the Annual 

 Spring Meeting of the Iron and Steel Institute, 42 ; Society 

 of Arts Albert Medal for 1889 awarded to, 184, 301 



Aberration, the Constant of, 90 ; Influence of, upon Observa- 

 tions of Solar Prominences, M. Fizeau, 530 



Ahney (Captain W, de W., F.R.S.): Colour Measurements 

 and Mixture, 313 ; Apparatus to show Greater Sensitiveness of 

 Eye to Different Colours, 187 



Aboukir, Discovery of Three Colossal Statues at, 575 



Absolute and Gravitation Systems, Frederick Slate, 445 



Academy's, French, 20,000 franc Prize voted to Elisee Reclus, 

 161 



Academy of Natural Sciences of Philadelphia, 353 



Acclimatization, Dr. Robert Felkin on, 508 



Acclimatization of Plants, &c., in Russia, 388 



Achievements in Engineering, L. F. Vernon-Harcourt, 147 



Acids, Cause of Insolubility of Pure Metals in. Dr. Weeren, 259 



Acoustics : the Testing of Tuning-forks, 155 ; on the Intensity 

 of Sound, and the Energy used by Organ-pipes, C. K. 

 Wead, 310 ; the Production of Mu-ical Notes from Non- 

 musical Sands, Cecil Carus Wilson, 322 



Actinotrocha, Localitie-: where found, 416 



Adami (J. George) : Laboratory Reports of the Royal College 

 of Physicians of Edinburgh, Vol. III., 73; Immunity, 

 Natural and Acquired, 422 



Adams (Matthew A.), on Diphtheria, 369 



Adams (Prof. \V, G., F.R.S.), Comparison of Simultaneous 

 Magnetic Disturbances at various Observatories, and Deter- 

 mination of the Value of Gaussian Coefficients for those Ob- 

 servatories, 237 



Aden, Voracity of Rats at, Capt. R. Light, 600 



Admiralty, Hydrographic Department of, 500 



Advertisements for Instructors, 565 



Aeronautics : New Method of determining Vertical Motion of 

 Aeronauts, A. Duboin, 144 ; Experimental Researches on 

 Mechanical Flight, Prof. S. P. Langley, 277 ; Maxi:)i's New- 

 Flying Machine, 303 



Aerostats, New Method of determining Vertical Motion of, 

 A, Duboin, 144 



Afghanistan, Meteorology and Climatology of Northern, W. L. 

 Dallas, 529 



Africa : Major Claude M. Macdonald on the Benue and the 

 Kibbe, 46 ; Ornithology of Lake Victoria Nyanza, Emin 

 Pasha, 87; Cetaceans in African Lakes, 124, 198; an 

 Account of the First Ascent of Kilimanjar), by Dr. Hans 

 Meyer, 149; ihe Voruba Country, Alvan Millson, 209; a 

 Journey in Gazaland, Denis Doyle, 209; Theodore Bern's 

 Investigation of Zimbabye Ruins, 451 ; Livingstone and the 

 Exploration of Central, H. H. Johnston, 492 ; Colonel 

 I lolditch on the Application of Indian Geographical Survjy 

 Methods to, 508 ; Mrs. French Sheldon on East, 508 ; Mr. 

 Joseph Thomson's Explorations in South, 598 



Agriculture : Technical Education in. Dr. W. Fream, 137 ; 

 Agricultural Education, University of Oxford and, 183; 

 how can the Weather Service l)est promote, M. W. Har- 

 rington, 165; Nit'ification and A<;ricultural Chemistry, R. 

 Warington, 190 ; Mr. C. A. Barber appoinleJ .'iuper- 

 intendent of the Agricultural Department of the Lee 

 ward Islands, 257 ; Agricultural Gazette of New South 

 Wales, 303 ; Proceedings of the Association of Official 

 Agriculiural Chemists, 317; Agriculture in Japan, Manuring 



Experiments with Paddy, Dr. O. Kellner, Y. Kozai, Y. Mori, 

 and M. Nagaoka, 353 ; Dairy Work in New South Wales, 

 436 ; International Agricultural Congress, 450 ; Agriculture 

 in New South Wales, 451 ; Agricultural Entomology, Resigna- 

 tion of Miss Ormerod, 451, 528; Contemplated Central 

 Agricultural Institute in Russia, 502 ; Victoria, Department 

 of Agriculture, Summary of Tasks undertaken by, D. 

 McAlpine, 529 ; the Farmers and the Victoria Department 

 of Agriculture, D. A. Crichton, 550 ; Projected Agricultural 

 and Mechanical College at San Paulo, Brazil, 549 



Air: New Gravimetric Method of ascertaining Composition of 

 Atmospheric, A. Leduc, 311 ; the Expansion and Compres- 

 sibility of Atmospheric, A. W. Witkowski, 312 



Air-pressure and Temperature on Summit of Sonnblick, Studies 

 of, Dr. J. Hann, 112 



Airy (Sir G. B., F.R.S): Completion of his Ninetieth Year, 

 302 ; his Poinilar Astronomy, 319 



Aitken (John, F.R.S ) : a Method of Counting Water Particles 

 in Fog, 119 ; on the Solid and Liquid Particles in Clouds, 

 279 



Aitken (Edith), Elementary Text-book of Botany for the Use 

 of Schools, 467 



Alaska, Prof. Russell's Excursion to, 629 



Albatross : the Wandering, a Remarkable Characteristic of, Sir 

 Walter Bui ler, F.R.S., 502; a Ne\y Species of. Sir Walter 

 Buller, F.R.S., 502 



Albert University, the Proposed, W. T. Thiselton Dyer, F.R.S., 

 196; Prof, E. Ray Lankester, F.R.S., 222 ; Prof. G. Carey 

 Foster, F.R.S., 223, 257; Prof. G. Croom Robertson, 248; 

 Rev. Dr. A. Irving, 248 



Alcock (Dr. A.), the Cruise of the Tnve<fi^'afor, 501, 528 



Alcohol, Muscular Strength diminished by, MM. (itehant and 

 Quinquaud, 135 



Alcohol, Physiological Effects of. Dr. Samuel Wilks, 353 



Alcoholism, Prof. Harald Westergaard, 484 



Alexandroff (N), the Molecular Weights of Albumen, 358 



Algebra, Solutions of the Examples in Charles Smith's idemen- 

 tary, A. G. Cracknell, 444 



Algebra, on the Evolution of, Prof. E. W. Hyde, 470 



Algeria, the Eocene F>)rmations of, .MM. Pomel and Ficheur, 

 264 



Alkyl Sulphides in Petroleum Oil, 89 



Allen (Laurence), Defective Ventilation in American Schools, 

 476 



Allen (W. D.), Forging Press, 579 



Alloy, Brilliant Purple Gold and Aluminium, Prof. Roberts- 

 Austen, III 



Almanac, the Nautical, 593 



Alphabet of Motions ). S. Dismorr, 225 



Alpine Flora, the, T. D. A. Cockerell, 6 ; J. Innes Rogers, 6 ; 

 j. Lovel, 83 



Alpine Glaciers, the Variations of. 389 



Alsace Lorraine, Meteorological Service Established in, 233 



Alternate Current Motors at the Frankfort International Electri- 

 cal Exhibition, 615 



Alum Solution, Harry Napier Draper, 446 ; Ch. Ed. Guillaume, 

 540; Shelford Bidwell, F.R.S., 565 



Amber of Cedar Lake, the so cilled, B, J. Harrington, 584 



Ambleside, Aurora seen at, Mr. Tuckwell, 475 



America : North, Fossil Insects of, with Notes on some European 

 Species, Samuel H. Scudder, R. Lydekker, i ; American Jour- 

 nal of Science, 91, 18;, 310, 439, 463, 584; .\merican Meteoro- 

 logical Journal, 92, 165, 309, 464, 512 ; the Destruction of 

 American Fauna, 113; a Geological Excursion in .-Kmerica, 

 S. F. Emmons, 182 ; Captain Dutton and Geology in 



