SicpplcDieiit to Natnrc,~\ 

 Jl/ay 31, 1894 J 



Index 



XXV 



Marine Engine Trials, Abstract of Results of Research Com- 

 mittee, Prof. T. li. Beare, 350 



Marine Engineering, Effect of Reversing Screw of Steamship 

 on Steering, Captain Bain, 208 



Marine Organisms, the Chemical Action of, Prof. J. W. Judd, 

 235 



Markham (Clements R., F.R.S.), the Present Standpoint of 

 Geography, 69 



Marr (John E. ), the Zoological Record, 123 



Marrio'tt (W.) : Thunder and- Hailstones of July 8, 1S93, 1 19 ; 

 Comparative Observations with Two Thermometer Screens 

 at Ilfracombe, 426 ; the Koyal Meteorological Society's Ex- 

 hibition, 579 



Mars, Melting of the Polar Caps of, Prof. W. H. Pickering, 

 5S6 



Marshall (Prof. Milnes, F.R.S.): Death of, 228; Obituary 

 Notice of, 250 ; Proposed Memorial to, 368 



Martel (E. A. 1, Investigation of Adelsberg Grotto, 256 



Martin (T. C), Nikola Tesla, 352 



Mascart (M.) : Propagation of Electromagnetic Waves. 379 ; 

 M. Blondlot's Experiment on Propagation of Hertzian Waves, 



394 



Mason (A. T.) : Synthesis of Piazine Derivatives, 118 ; Inter- 

 action of Benzylamine and Ethylic Chloracetate, 377 



Mass of the Earth, the, 575 



Massachusetts Institute of Technology, 20 



Massachusetts Coast Sea- Water and Mud, Russell's Observa- 

 tions on Microbial Condition of, 37 



Massachusetts, the Gipsy Moth Plague in, 231 



Massee (George), British Fungus Flora, a Classified Text-book 

 of Mycology, 195 



Masson (M.), Sterilisation of Bread and Biscuit by Baking, 167 



Materia Medica, Chemistry in Relation to Pharmaco-Thera- 

 peutics and, Prof. B. J. Stokvis, 587 



Mathematics : Asymmetrical Frequency Curves, Prof. Karl 

 Pearson, 6 ; Mensuration of the Simpler Figures, William 

 Briggs and T. W. Edmondson, 28 ; Bulletin of New York 

 Mathematical Society, 71, 188, 402, 497, 570; American 

 Journal of Mathematics, 93, 449 ; Simple Groups as far as 

 Order 660, F. N. Cole, 93 ; Instruments for Drawing Conic 

 Sections, J. Gillett, 94; Mathematical Society, 118, 215, 

 284, 425, 498, 61 8 ; Stability of Certain Vortex Motions, 

 A. E. H. Love, 118 ; Note on Theory of Groups of Finite 

 Order, Prof. W. Burnside, F.R.S., 118; Solutions of the 

 Examples in the Elements of Statics and Dynamics, S. L. 

 Loney, 122 ; Formula giving all Values of Integral for 

 Probable Error, Herr Bruno Kampfe, 133 ; Regular Sections 

 and Projections of Ikosatetrahedron, Prof. Schoute, 144 ; 

 a Certain Class of Generating Functions in Theory of 

 Numbers, Major MacMahon, F.R.S., 189; French Lady 

 Mathematicians, M. Darboux, 205 ; Stability of Deformed 

 Elastic Wire, A. B. Basset, F. R.S., 215 ; Quaternionic In- 

 novations, Oliver Heaviside, F.R.S.,246; Modern Mathe- 

 matical Thought, Prof. Simon Newcomb, F. R. S. , 325; the 

 Applications of Elliptic Functions, Alfred George Greenhill, 

 F.R.S., H. F. Baker, 359; Death of General J. Ammen, 

 368; Death of Eugene Catalan, 415; Lectures on Mathe- 

 matics, Prof. Felix Klein, 456 ; a Treatise on the Theory of 

 Functions, James Harkness and Frank Morley, 477 ; on the 

 Definitions of the Trigonometric Functions, Dr. A. Macfar- 

 lane, 480; on a Spherical Vortex, Dr. J. M. Hill, 498; 

 Groups of Points on Curves, F. S. Macaulay, 498 ; a Simple 

 Contrivance for Compounding Elliptic Motions, G, H. 

 Bryan, 498 ; on the Buckling and Wrinkling of Plating 

 supported on a Framework under the Influence of Oblique 

 Stresses, G. H. Bryan, 499 ; on the Motion of Paired Vor- 

 tices with a Common Axis, A. E. H. Love, 499 ; Mathe- 

 matical Calculating Machines, Prof. O. Henrici, F.R.S., 

 521 ; Harmonic Analysers, 521 ; Prof. Crum Brown on the 

 Division of a Parallelepiped into Tetrahedra, 571 ; an Ele- 

 mentary Treatise on Fourier's Series, W. E. Byerly, 598 ; 

 a Text-Book of Euclid's Elements, H. S. Hall and F. H. 

 Stevens, 599 ; on Regular Difference Terms, A. B. Kempe, 

 F.R.S., 618 ; on the Sextic Resolvent of a Sextic Equation, 

 Prof. W. Burnside, F.R.S., 618 



Mather (T. ), Transparent Conducting Screens for Electric and 

 other Apparatus, 591 



Mawer (W. ), Nature Pictures for Little People, 529 



Mawley (E.), Phenological Observations for 1893, 426 



Maxwell's Theory of Electricity and Light, Lectures on, Dr. 

 Ludwig Boltzmann, 381 



Maxwell's (Clerk) Papers, Prof. Oliver J. Lodge, F.R.S., 366 



Mayall (R. H. D.), Current-Sheets, 452 



Mayer (A. M.), Researches in Acoustics, No. 9, 305 ; an Appa- 

 ratus to show simultaneously to several Ilearer.s the Blend- 

 ing of the Sensations of Interrupted Tones, 617 



Mazotto (Signor), the Various Electric Wave Systems obtained 

 by Lecher's Method, 83 



Measurements, Physico-Chemical, W, Ostwald, J. W. 

 Rodger, 219 



Mechanical Engineers, Institution of, 18, 350, 608 



Mechanical Tneory of Comets, Prof. J. M. Schaeberle, 84 



Medical Congress, the International, 538, 563 ; the Eleventh 

 International, Piero Giacosa, 578 



Medicine : Death of Dr. S. Guttmann, 251 ; Death of Dr. L. 

 Krahmer, 251 



Medicine-Men of Apache Indians, Capt. J. G. Bourke, 439 



Medusa, Reappearance of the Freshwater {Livinocodium 

 soioerbii), Prof. E. Ray Lankester, F.R.S., 127 



Meek (Alexander), the Arbuthnot Museum, Peterhead, 20 



Meeres, Bionomie des, Johannes Walther, 244 



Melbourne Exhibition Aquarium, the, 583 



Melde (S.), Determination of Pitches ol very High Notes, 560 



Melius (Dr. E. L.), Experimental Investigation of the Central 

 Nervous System of the Monl<ey {Macaciis siniciis), 498 



Melting of the Polar Caps of Mars, Prof. W. H. Pickering, 

 586 



Memoires de la Societe d'Anthropologie de Paris, 283 



Memoirs of Russian Geographical Society, 254 



Memoirs of St. Petersburg Society of Naturalists, 189 



Mendip Earthquake of December 30-31, 1893, Prof. F. J. 

 Allen, 245 



Mendip Hills, Discovery of Petroleum on the, 346 



Mensuration of the Simpler Figures, William Briggs and T. 

 W. Edmondson, 28 



Mentone, the Man of, Arthur J. Evans, 42 



Mentzner (R. ), Action of some Metals upon Acid Solutions of 

 their Chlorides, 119 



Mer (Emile), Means of Preventing Wood from being Worm- 

 eaten, 119 



Mercadier's (M.), Test of the Relative Validity of the Electro- 

 static and the Electromagnetic Systems of Dimensions, Prof. 

 Arthur Riicker, F.R.S., 387; Dr. G. Johnstone Stoney, 

 F.R.S., 432 



Mercury, Discovery on Puy-de-Dume of Ruins of Temple to, 



14 



Meslans (M.), the Gaseous Fluorides of the Simpler Organic 

 Radicals, 540 ; Fluoroform prepared in its Pure State, 541 



Messner's (Herr), Experiments with Bullets Infected with 

 Micro-organisms, 16 



Metal Work, Elementary, G. C. Leland, 554 



Metallurgy : the Transformation of Iron, E. Charpy, 192 ; 

 Wrought Iron Making in Madras, 255. 



Metals, Experimental Investigations concerning Elastic Longi- 

 tudinal and Torsional Fatigue in, Louis Austin, 239 



Meteorology : the Climate of Chicago, Prof. H. A. Hazen, 

 15 ; Operations of the German Meteorological Office for 

 1892, 35 ; Report of Royal Alfred Observatory, Mauritius, 

 for 1891, 35; Halo Phenomena, Prof. Hellmann, 48, 130; 

 Wave Clouds, Prof, von Bezold, 48 ; Various Modes of 

 Discriminating between Clouds, Prof, von Bezold, 427 ; 

 Cloud Conditions of Various Climates, Dr. H. Meyer, 216 ; 

 the Motion of Clouds, M. PomortseflF, 230; Cloud-forma- 

 tion, Prof. W, von Bezold, 508 ; the Measurement of the 

 Highest Cirrus Clouds, Prof. C. Abbe, 508 ; Diurnal Range 

 of Amount of Cloud at Paris, M. Angot, 206 ; Berlin 

 Meteorological Society, 48, 216, 427, 596 ; American 

 Meteorological Journal, 71, 263, 329, 428; Pilot Chart of 

 North Atlantic for first half October, 81 ; United States 

 Pilot Chart of North Pacific Ocean, 347 ; the Week's 

 Weather, 81, 130, 159, 252, 321, 369, 394, 438, 460; 

 Deutsche Seewarte Record of Observations taken in North 

 Atlantic, No. xi., 109 ; Deutsche Seev/arte Extra-European 

 Observations, 540 ; the Fort-William Diurnal Barometric 

 Curve, 540 ; the Great Drought of 1893, F. J. Brodie, 119 ; 

 Thunder and Hailstorms of July 8, 1893, W. Marriott, 119 ; 

 Meteorological Society, 119, 21$, 307, 425, 547; the Past 

 Monsoon in India, 130; Symons's Monthly Meteorological 



