Nature, 

 June 18, igo3j 



Indt 



ex 



XXIX 



Screws, Sir Robert Ball, F.R.S., 143 ; the Multi-linear 

 Quaternion Function in Relation to Projective Geometry, 

 Prof. C. J. Joly, 143 ; the Modern Arithmetic, Archibald 

 Murray, 147 ; the First Principles of Ratio and Propor- 

 tion, and their Application to Geometry, H. W. Croome 

 Smith, 173 ; the Abstract Group Simply Isomorphic with 

 the Group of Linear Fractional Transformations in a 

 Galois Field, Prof. L. E. Dickson, 190 ; Applications of 

 Fourier's Theorem, H. M. Macdonald, igi ; Elementary 

 Plane and Solid Mensuration for use in Schools, Colleges 

 and Technical Classes, R. W. Edwards, 200 ; First Stage 

 Mathematics, 202 ; Compte rendu du deuxie-ine Congres 

 international des Mathe'maticiens tenu a Paris, 6 au 12 

 Aout, 1900, 245 ; the Teaching of Geometry, W. D. 

 Eggar, 260; Method of Representing Imaginary Points 

 by Real Points in a Plane, Prof. A. Lodge, 262 ; the 

 Mathematical Expression of the Principle of Huygens, 

 Dr. J. Larmor, 262 ; Wave Motions with Discontinuities 

 at Wave-fronts, Prof. A. E. H. Love, 262 ; of Functions 

 of Several Variables, Dr. H. F. Baker, 262 ; on Non- 

 uniform Convergence and the Term by Term Integration 

 of Series, W. H. Young, 262 ; Death and Obituary Notice 

 of Rev. Dr. H. W. Watson, F.R.S., Prof. G. H. Bryan, 

 F.R.S., 274; Edinburgh Mathematical Society, 287; the 

 Principle of Least Action, Lagrange's Equations, Oliver 

 Heaviside, F.R.S., 297; the Principle of Least Action, 

 A. B. Basset, F.R.S., 343, 464; the Principle of Activity 

 and Lagrange's Equations, Rotation of a Rigid Bodv, 

 Prof. W. McF. Orr, 36S ; Oliver Heaviside, F.R.S., 368; 

 Proof of Lagrange's Equations of Motion, &c, Prof. 

 W. McF. Orr, 415; R. F. W., 4 i< ; Death of the Rev. 

 Norman Macleod Ferrers, F.R.S., 324 ; Hohere Analysis 

 fur Ingenieure, Dr. John Perry, Prof. A. G. Greenhill, 

 F.R.S., 338; Factorisation of Large Numbers, F. J. 

 Vaes, 375 ; on 41c Residuarity and Reciprocity, Lieut. - 

 Colonel Cunningham, 382 ; a Point in a Recent Paper bv 

 Prof. D. Hilbert, E. T. Dixon, 382 • Die Grundsatze und 

 das Wesen des Unendlichen in der Mathematik und Philo- 

 sophic, Dr. Phil. Kurt Geissler, 387: Simple Mechanical 

 Device for Obtaining Rapidly any Required Set of 

 Numbers having the same Ratio among themselves as 

 any other given Set of Numbers, " Ratiometer," A. E. 

 Munby, 424; Area of Mriangle in Terms of Sides, Prof. 

 J. D. Everett, F.R.S., 440; Sequences for Determining 

 the nth Root of a Rational Number, S. M. Jacob, ar8 ; 

 Death of Prof. F. J. Studnicka, 492 ; the Differential 

 Invariants of a Surface and their Geometric Significance, 

 Prof. Forsyth, F.R.S., 500; Historical Note in Regard 

 to Determinants, Dr. Thomas Muir, F.R.S., 512 ; the 

 Psychology and Natural Development of Geometry, Dr. 

 E. Mach, 524; Opinions et Curiosit^s touchant la Math£- 

 matique, Georges Maupin, 531 ; a New Theory of the 

 Tides of Terrestrial Oceans, R. A. Harris, 583 ; Death 

 of M. E. Duporcq, 589 ; Practical Exercises in Geometry, 

 W. D. Eggar, J. Harrison, 577 ; Geometry, an Elemen- 

 tary Treatise on the Theory and Practice of Euclid, S. O. 

 Andrew, J. Harrison, 577 ; Theoretical Geometry for 

 Beginners, C. H. Allcock, J. Harrison, 577; Elementary 

 Geometry, W. M. Baker and A. A. Bourne, J. Harrison, 

 ;77 ; the Elements of Geometry, R. Lachlan and W. C. 

 Fletcher, J. Harrison, .1577; Plane Geometry, adapted to 

 Heuristic Methods of Teaching, T. Petch, J. Harrison, 

 S77 ; Euclid, Books v., vi., xi., Rupert Deakin, J. Harri- 

 son . 577 • a Short Introduction to Graphical Algebra, 

 H. S. Hall, J. Harrison, 577; Exact Solutions of the 

 Problem of the Bending of an Elastic Plate under 

 Pressure, A. E. H. Love, 599 ; Functions Defined by 

 Definite Integrals with not more than Two Singularities, 

 E. T. Whittaker, 599 ; Algebra, Kaliprasanna Chottoraj, 

 608; Death of Prof. J. Willard Gibbs, 615 



Mathias (E.), Liquidogenic Theories of Fluids, 455 



Matter, Electricity and, 487 ; Sir Oliver Lodge, F.R.S., on, 

 at Bedford College for Women, 450 



Matter, Properties of, a Text-book of Phvsics, J. H. 

 Poynting, F.R.S., and J. J. Thomson, F.R.S., Supp. 

 February 5, ix 



Matthaei (Miss Gabrielle L. C), Experiments on the Effect 

 of Temperature on Carbon Dioxide Assimilation in the 

 Leaves of the Cherrv Laurel, 19 



Matthes (F. E.), Glacial Cirques, 448 



Maunder (E. Walter), Astronomy without a Telescope, 201 



Maupin (Georges), Opinions et Curiosit^s touchant la 

 Math^matique, 531 



Maurel (E.), Ratio of the Weight of the Liver to the Total 

 Weight of the Animal, 144, 359 



Mawley (E.), Phenological Observations for 1902, 406 



Maxwell-Lefroy (Mr.), Crude Oil and Soap, a New General 

 Insecticide, 616 



Mayor (A. G.), Effects of Natural Selection and Race- 

 tendency upon the Colour-patterns of the Lepidoptera, 351 



Mazelle (Dr. E.), Connection between the Movements of the 

 Microseismic Pendulum and Meteorological Phenomena, 



542 



Mead (Elwood), Irrigation Institutions, 607 



Mechanics : Die Mechanik des Himmels, Carl Ludwig 

 Charlier, 77; Applied Mechanics for Beginners, J. 

 Duncan, 245 ; New Method of Testing Rails, Ch. 

 Fremont, 263 ; Exact Solutions of the Problem of the 

 Bending of an Elastic Plate under Pressure, A. E. H. 

 Love, 599 



Mediaeval Geography, C. Raymond Beazley, 73, 464 



Medicine : the Force of Mind, or the Mental Factor in Medi- 

 cine, A. T. Schofield, 54, 150; W. McD., 150; Report of 

 the Yellow Fever Expedition to Para of the Liverpool 

 School of Tropical Medicine, H. E. Durham, 172 ; the 

 Prophylaxis of Malaria, Sir William MacGregor, 209 ; 

 Cryogenin in Fevers, M. Carriere, 240 ; the Egyptian 

 Medical Congress, 273 ; Das biomechanische (neo- 

 vitalische) Denken in der Medizin und in der Biologie, 

 Prof. Moriz Benedikt, 342 ; Abandonment of the School of 

 Medical Research at Netley, 490; Diseases of the Organs 

 of Respiration, Dr. Samuel West, 554 ; a Manual of Medi- 

 cine, Dr. W. H. Allchin, 554 ; Diseases of the Respiratory 

 and Circulatory Systems, Leonard Hill, Dr. Hector 

 Mackenzie, Dr. Mitchell Bruce, 5154 



Meldola (Prof. R., F.R.S.), Le Linceul du Christ; Etude 

 scientifique, Dr. Paul Vignon, 241 ; Die Entwicklung 

 unserer Naturanschauung in xix. Jahrhundert und Fried- 

 « rich Mohr, Ch. Jezler, Supp. November 6, 1902, v 



Mellor (Carlos de), Les Lois de la G^ographie, 53 



Mellor (J. W.), the Thermal Energy of Radium Salts, 560 



Mellor (Mr.), Influence of Moisture on the Combination of 

 Hydrogen and Chlorine, go 



Memory, the Rational, W. H. Groves, 461 



Mendel's Principles- of Heredity in Mice, W. Bateson, 

 F.R.S., 462, 585; Prof. W. F. R. Weldon, F.R.S., 512, 

 610 



Mendelian Theory of Heredity, Experiments in the, 

 Japanese "Waltzing Mice," Mr. Darbishire, 550 



Mensuration : Elementary, Plane and Solid, for Use in 

 Schools, Colleges, and Technical Classes, R. W. Edwards, 

 200 



Mental, Interaction between the, and the Material Aspects 

 of Things, ^ir Oliver J. Lodge, F.R.S., 595 



Mentrel (M.), Barium Ammonium and Barium Amide, 47 



Mercury, Near Approach of Comet 1902 b to, Prof. Seagrave, 



39 

 Mercury Lamp, the Hewitt, and Static Converter, 248 

 Meridian, Measurement of an Arc of, in Spitzbergen, Sir 



Martin Conway, 536 

 Meslin (Georges), Magnetic Dichroism of Liquids, 576 

 Messina, the Fata Morgana of the Straits of, 393 

 Metallurgy : the Effect of Segregation on the Strength of 

 Steel Rails, Thomas Andrews, F.R.S., 13 ; the Analysis of 

 Steel-Works Materials, Harry Brearley and Fred. 

 Ibbotson, 76; Death of Sir William Roberts-Austen, 

 K.C.B., F.R.S., 85 ; Obituary Notice of, Dr. T. E. Thorpe, 

 F.R.S., 105 ; Conditions Necessary to Obtain Nickel Steel 

 Alloys of Extremely Low Coefficients of Expansion, C. E. 

 Guillaume, 352 ; Changes in Nickel Steels, Ch. E. 

 Guillaume, 383 ; Variation in the Modulus of Elasticity in 

 Nickel Steels, C. E. Guillaume, 431 : Spontaneous Reduc- 

 tion of the Amount of Carbon in Steel, G. Belloc, 431 ; 

 Development of the Uses of Iron, J. H. Wicksteed, 616 

 Meteorology : Recent Remarkable Sunsets, Joseph Clark, 

 12 ; Sunset Effects at Morges, Switzerland, Prof. F. A. 

 Forel, 36; Recent Sunsets, M. Perrotin, 46; Recent Sun- 

 set Glows at Bordeaux, E. Esclangon, 95 ; Sunset Glows. 

 Rev. G. J. Bridges, 209 ; Coloured Sunrises and Sunsets 

 caused by the Volcanic Eruptions in the West Indies, P. 

 Gruner, 493 ; International Balloon Ascents, made from 

 April to June last, Dr. H. Hergesell, 13 ; Internationa! 



