Nature, May Tp, 1889] 



INDEX 



XIX 



A. Potier, 504 ; Magnetic Survey of the British Isles, for the 

 Epoch January I, 1886, Prof. A. W. Riicker, F.R.S., and 

 Prof. 'I. E. Thorpe, F.R. S., 466; on the Influence of the 

 Shock on the Permanent Magnetism of Nickel, M. G. Berson, 

 312 ; an Effect of Light upon Magnetism, Shelford Bidwell, 

 F.K.S.,572; Magnetism and Electricity, Edward Aveling, 

 580 ; the Uiurnal Variation of Terrestrial, A. Schuster, F.R.S., 

 622 ; Magnetization of Iron and other Metals, Ew ing and Low, 

 165 ; Dr. John Hopkinson, F.R.S., 520; Effecis of Radia- 

 tions, Shelford Bidwell, 520 ; Effects of Torsion and Longi- 

 tudinal Stress on the Magnetization of Nickel, 520; Reciprocal 

 Influence of Two Rectangular Magnetizings in Iron, M. Paul 

 Janet, 456 ; Magneto-optic Rotation by Transient Currents, 

 "Prof. O. J. Lodge, 526 

 Major (Forsyth), Fossil Bones, Island of Samos, 263 

 Malayan Peninsula, Proposed Exploration by Mr. Stephens of 

 L^nknown Portions of, 421 



Mallet (Prof. J. W.), on the Influence of Light upon the Ex- 

 plosion of Nitrogen Iodide, 22 



Make Brnn (V. A.) Death of, 593 



Ma'umalian Spinal Cord, Electromotive Changes in the, follow- 

 ing Electrical Excitati n of the Cortex Cerebri, Francis 

 Gotch and Prof. Victor Horsley, F.R. S., 500 



Mammals, East Indian, Dr. B. Iloffmann, 257 



Mammals from East Sumatra, Dr. F. A. Jentink, 500 

 M.unmoth Age, Climate of Siberia in the, Henry H. Howorth, 

 365 



Atammolh, Discovery of Tusk of, in Norway, 377 



Manatee, the, 585 



Manchester Free Libraries, 232 



Manilla, S.orm Signals at, 418 



Mannite, Combination of, with the Aldehydes of the Fatty 

 Series, Ethylic Acetal, M. J. Meanier, 456 



"Mannite and Glue ise, the Syntheses of, Fischer and Tafel, 351 



Manuel Pratique de Cristallographie, G. Wyrouboff, 411 



Manures, Dr, A. B. Griffiths on, 496 



Manuring, Farmer's Guide to, A. N. Pearson, Prof. John 

 Wrightson, 212 



Maquenne (M.) : Compounds of Benzoic Aldehyde, 24 ; on the 

 Heptine of a Perseite, 312 



Maracaibo Peninsula and Lake, 259 



Maranham, India-rubber Producing Trees, 328 



Marcano (V.), the Dark Waters of the Equatorial Regions, 167 



Marcet (Dr. \V., F.K.S.) : Fogs, 311 ; the Sun, 574 



Marcou (M. Jules), Origin of the Name America, 498 



Marey (M.), on Lameness caused by Pain, 23 



Marine Animals, Breeding Season, 467 



Marine Biological Association Report, 467 



Marine Biology, Proposed Dredging Expedition, 590 



Markow (M. Eugene), Mount Ararat, 307 



Marriage Customs, Dr. Tylor's Clasiification of, 143 



Marriott (W.), the Helm Wind, 431 



Mars : the Satellites of, II. Poincare, 167 ; Mars, Changes, M. 

 I'lammarion, 240 ; Prof. Schiaparelli on Mars, 494 



Marsupial, a New, 376 



Marsupialia and Monotreinata, Catalogue of the, in the British 

 Museum, Oidfield Thomas, 435 



Marth (A.), the Satellite of Neptune, 114 



Marlius (Dr.), New Experiments on Cardiograms, 120 



Martin (Dr. Sidney) and Dr. Dawson Williams, the Influence 

 of Bile on the Digesti m of Starch, 453 



Marvin (Charles), the Region of the Eternal Fire, 481 



Mascart, the Achromatism of Interferences, 551 



Masius (lean). Genesis of the Placenta in the Rabbit, 262 



Mass, Weight and. Prof. A. G. Greenhill. F.R.S., 390 



Mass and Inertia, on the Use of the Words, a Suggestion, 

 Prof. A. M. Worihington, 248 ; Prof. Oliver J. Lodge, 

 F.R.S., 270, 367 ; Prof. Andrew Gray, 342 ; E. Lousley, 413 



Massachusetts, Earthquake in, 16 



Massage and Allied Methods of Treatment, Herbert Tibbitts, 



-<on (Prof. O ) and J. B. Kirkland, Action of Bromine and 

 ' hlorine on the Salts of Tetrethylphosphonium, 454 



hematics: Euclid, H. S. Hall and F. H. Stevens, 26; 

 Algebraical Exercises, H, S. Hall and S. R. Knight, 26; 

 Js.ey to Todhunter's Mensuration, Rev. Lawrence McCarthy, 

 26 ; Explanatory Arithmetic, G. E. Spickernell, 26 ; Plane 

 and Spherical Trigonometry, W. J. M:Clelland and T. 

 Preston, 26 : Solid Geo netrv. Solutions, P. Frost, 26 : 



Elementary Statics, J. Greaves, 26 ; DiflTerential Calculu.«, B. 

 Williamson, 26; Differential Calculus, J. Edwards, 26; 

 Algebra, Oliver, Wait, and Jones, 26 ; Practical Solid 

 Geometry, W. G. Ross, 26 ; Mathematical Society, 71, 216, 

 287,431,521,527, 599; Mr. Spottiswoode's Mathematical 

 Papers, R. Tucker, 197 ; General Meeting of the Association 

 for the Improvement of Geometrical Teaching, 207 ; the 

 History of Mathematics, W. W. Rouse Ball, 265 ; Award 

 of the Swedish Mathematical Prizes, '96 ; to find the Factors 

 of any Proposed Number, Chas. j. Busk, 413 ; Supple- 

 mentary Chapter of Dr. Casey's Sequel to Euclid, 448 ; 

 on the Confluences and Bifurcations of certain Theories, 

 Sir James Cockle, F. R.S., 521 ; Notes on Plane Curves, 

 iv., Involution-condition of a Cubic and its Hessian, v.. 

 Figure of a certain Cubic and its Hessian, J. J. Walker, 



F. R.S., 527 ; Problem of Duration of Play, Major MacMahon, 

 527 ; Some Results in the Elementary Theory of Numbers, C. 

 Leudesdorf, 527 ; Characterisics of an Asymmetric Optical 

 Instrument, Ur. J. Larmor, 527 ; New Angular and Trigono- 

 metrical Notation, with Applications, H. MacColl, 527; 

 Factors of Numbers, Lieutenant-Colonel Allan Cunningham, 

 559 



Mathesis, Supplementary Chapter of Dr. Casey's Sequel to 



Euclid, 448 

 Matthews (Dr. F. C), Action of Nitric Acid on Ammonium 



Chloride, 166 

 Maw (M. H.): a Pheas.int Attacking a Gamekeeper, 150; a 



Remarkable Rime, 295 

 Mawer(W.), Primer of Micro- Petrology, 125 

 Maxima and Minima Convergents of a certain Class of Distinct 



Integrals, Herr C. B. Cavallin, 456 

 Maxwell's Theory, the Forces of Electric Oscillations treated 



according to, Dr. H. Hertz, Dr. Oliver J. Lodge, 402, 450, 



547 

 Mayer (M. E.), Doctrine of Probabilities, 455 

 Mazade (M.), Actinometric Observations, 504 

 Meadow, Musings on a, 181 



Measurements in the Delta of the Amu-daria, A. Kaulbars, 329 

 Measuring the Index of Retraction, on a New Method of, E. 



Forsch, 334 

 Mechanical Apparatus, Prof. Neesen, 528 

 Mechanical Conditions o.'"a Swarm ot Meteorites, on the. Prof. 



G. H. Darwin, F.R.S., 81, 105 



Mechanics, Die Mechanik in ihrer Entwickelung historisch- 



critisch dargestellt. Dr. E. Mach, 556 

 Mechanics' Institute, Huddersfield. 18 

 Mechanics, Theoretical, J. E. Taylor, 126 

 Mediaeval Researches from Eastern Asiatic Sources, Fragments 



towards the Knowledge of the Geography and History of 



Central and Western Asia from the Thirteenth to the Seven- 

 teenth Century, E. Bretschneider, 170 

 Medical Aspects, Alpine Winter in its, A. Tucker W'ise, 148 

 Medical Congress, American, 16 

 Megascolids auUra/is, Anatomy of, the Giant Earthworm of 



Gippsland, 394 ; W. B. Spencer, 387 

 Melanesia: Dr. R. H. Codrington on Social Regulations in, 



215 ; Islands of, \)r. R. II. Codri.igton, 470 

 Melbourne International Meteorological Conference, 350 

 Melbourne Observatory, 592 

 Meldola (Prof R., F.R.S.): the Chemistry of Photography, 



257 ; and G. T. Morgan, Researches on the Constitution of 



Azo- and Diazoderi\aiives, Compounds of the Naphthalene 



jS Series, 453 

 Membranous Labyrinth, Method of Preparing the. Dr. Barth, 



264 

 Memoirs of Kazan Society of Naturalists, 429 

 Memoirs of the Novorossian (Odessa) Society of Naturalists, 



525 

 Memoirs of St. Petersburg Society of Naturalists, 164, 571 

 Memory, Dr. W. C. Coupland, F. W. Edridge-Green, 244 

 Menakha Mountains, Dr. Schweinfurth's Explorations, 283 

 Mendenhall (Prof. T. C), on the Intensity of Earthquakes with 



Approximate Calculaions of the Energy involved, 380 

 Meneghini (Prof. G.), Death of, 417 

 Menhirs of Morbihan, the, Gaillard, 405 

 Meninghini(Prof. M. G.), Death of, 375 

 Mental Evolution in Man, Origin of Human Faculty, G. J. 



Romanes, F.R.S., 313 

 Mercury, Drops of, as' Electrodes, M. Ostwald, 456 



