XXVI 



Index 



CSufplenieni to Naturt^ 

 November 30, 1893 



chelsky, 296 ; a Graiihical Representation of the Twenty- 

 seven Lines on a Cubic Surface, H. M. Taylor, 310; 

 Proceedings of the Edinburgh Mathematical Society, 340 ; 

 Instruments for Trisecting Angles, Dr. Eckhardt, 353 ; Death 

 and Obituary Notice of Prof. G. W. Coakley, 398; Mathe- 

 matiques et Mathcmaticiens, Pensees et Curiosite>, A. Rebiere, 

 410 ; an Appeal to Mathematicians, Kanhaiyalal, 415 ; Hydro- 

 statics and V lementary Hydrokinetics, Geo. M. Minchin, 

 Prof. A. G. Grecnhill, F.R.S., 457; Opening Address in 

 Section A of the British Association by R. T. Glazebrook, 

 F.R.S., 473; Grassmann's Ausdehnungslehre, Prof. R, W. 

 Genese, 517; Hiffertntial Calculus for Keginners, Joseph 

 Edwards, 539; the A B C Five- Figure Logarithms, C. T. 

 Woodward, 564; Pillow Problems, Charles L. Dodgson, 

 M.A., 564; Enunciations in Arithmetic, Algebra, Euclid, 

 and Tritionomeiry, P. A. Thomas, 564 ; Asymmetrical Fre- 

 quency Curves, Prof. Karl Pearson, 615; the Deutsche 

 Ma hemaiiki r-VereiniguDg Exhibition at Munich, 619 

 Matsuda (Sadahi.'ia), the Anatomy of Magnoliacese, 482 

 Matterhorn, Thunderstorm Phenomena on the, Walter Larden, 



3>6 

 Maunsell's (Capt.), Kurdistan Journeys, 1892, 233 

 Maxwell's Theorie drr Electricitiit und des Lichtes, Vorlesung 



iiher. Dr. Ludwig Boltzmann. 435 

 Mayer (A. M.), the True Origin of Contrast Colours, 274; 

 Photometer for Measuring Intensities of Lights of Different 

 Colours, 309 

 Maze (M. C), Drought Cycles, 482 

 Mazella (E.), Determination of Wind-Force during Gusts of Bora 



Siorm, 91 ; Temperature-Waves at Trieste, 1871-90, 297 

 Mean Density of the Earth, the. Prof. J. H. Poynting, F.R.S., 



370 

 Measurements, Discussion of the Precision of, Silas W. 



Holman, 221 

 Measures, Metric in Russia, Prof. Petrushevskiy's System, 298 

 Mechanics : Simplification of FormulEe Depending on Resisting 

 Power of Solids ly introducing Greatest Linear Extension A 

 Supportable by Material, in place of Corresponding Elastic 

 Force R^, J. Boussinesq, 216; Displacement of Rigid Body 

 in Space by Rotation, J. J. Walker, P'.R.S., 311 ; a Correc- 

 tion, 317; Institute of Mechanical Engineers, 356; Novel 

 Suspension for Pendulums, A. Hasemann, 399 ; Hydro- 

 statics and Elementary Hydrokinetics, Geo. M. Minchin, 

 Prof. A. G. Greenhill, F.R.S., 457; Mechanics at the 

 British Association, 556 ; Opening Address in Section G of 

 the British Association by Jeremiah Head, President of the 

 Section, 497 ; Mechanism in Nature, 497 ; Bodily Powers 

 of Man and other Animals, 498 ; Locomotion on Land, in 

 Water, and in Air, 499 ; Weight of Birds in Relation to their 

 Bulk, 501 ; Aerial Navigation, 502; Eventual Exhaustion of 

 Fuel Supply, 503 ; Automatic Balance of Reciprocating 

 Mechanism, Mr. Beaumont, 556 ; Warming and Ventilating, 

 Frank Ashwell, 556 ; Watchmaking by Machinery, T. P. 

 Hewitt, 556 ; Pneumatic Caulking and Chipping Tool, Mr. 

 Ross, 556 ; Relative Cost of Conductors with Different 

 Systems of Electrical Power Transmission, 556 ; on Water 

 Power as a Source of Electricity, A. B. Snell, 557; a Vari- 

 able Power Gear for Electrical Locomotives, Mr. Beaumont, 

 557 ; Flashing Lights for Marine Purposes, O. T. Olson, 

 557 ; an Autouiatic Gem Separator, William S. Lockhart, 

 557 ; the Wicksteed Testing Machine, Prof. Robinson, 557 ; 

 the Mechanics of Architecture, E. Wyndham Tarn, 515 ; a 

 Treatise on Analytical Statics, Edward John Roulh, F.R.S., 

 Prof. A. G. Greenhill, F.R.S.,609 

 Medical Association, British, 322 

 Medical Biology, 29 



Medical Biology, Conjoint Boards, Walter E. Collinge, 75 

 Medical J^itera ure, the American Catalogue of, Dr. A. T. 



Myers, 61 1 

 Medicine, Mental, Dr. A. McL. Hamilton, 250 

 Mediterranean Water, Density and Alkalinity of, J. G. 



Buchanan, 168 

 Medley (V|r.), Photometry, 190 

 MegalapiJcs Madagascariemis, Extinct, Gigantic Lemnroid from 



Madagascar, C. J. F. Major, 284 

 Megamicros, a Sensible Effect of Proportional Reduction of 



Dimensions of Universe, J. Delboeuf, 406 

 Megamicros, S. Tolver Preston, 517 

 Megascops, the Evolution of Colour in the Genus, 559 

 Melbourne University, the Decreased Grant to, 228 

 Meldola (R ), Note on a Meta azo-compound, 118 



Meldola (Prof. R., F R.S.), Azo-compounds and Ortho-series, 

 262; a Manual of Dyeing, Edmund Knecht, Christopher 

 Rawson, and Richard l.oewenthal, 170 



Mely (F. de), Schist-impregnated Peat-moss Treatment of 

 Phylloxera, 512 



Memphramagog, Lake, A. T. Dmmmond, 12 



Men, on the Earliest, Dr. Brinton, 460 



Mensbrugghe (G. van de). Negative Hydrostatic Pressure, 188, 



332 



Mental Medicine, Dr. A. M'L. Hamilton, 250 



Mercury Pump, a Periodic, Rev. Frederick J Smith, 320 



Metgir(M.), Instrument for Measuring Electrical Resistance 

 of Hum^n Body, 352 



Meridian Circle Observations, 39 



Merrifield (F'), Effects of Temperature in the Pupal Stage on 

 Species of Lepidoptera, 607 



Meslin (George) Alternations of Colours presented by Gratings, 

 432; Aperture Fr ngesin the Exptrinerit with Parallel Gratings, 

 608 ; the Method of Isolation and the Properties of Fluorine, 

 529 ; Modification of Hydrome'er Method of determining 

 Densities of Gases, 598 



Mesnard (Eugene), Apparatus for Measuring Intensity of Per- 

 fumes, 216 



Metallurgy : Basic S'eel, English and Foreign, E. W. Richards, 

 113; the Manufacture of Basic Steel at Witkowitz, Paul 

 Kupelwieser, 550 ; the Elimination of Sulphur from Iron and 

 Steel, J. E. Steed and E. H. Saniter, 11 i ; Desulphurisation 

 of Iron, John Parry, 427 ; the Rfcording Pyrometer, Prof. 

 Roberts- Ausien, 1 14; Researches with the El^ctric Furnace, 

 M. Moissan, 134; Metallurgy of lead, J. B. Hannay, 165; 

 Recent Developments in Cleveland Iron and Stt-el Industries, 

 Jeremiah Head, 356 ; Carbon in Iron, Prof. Ledebur, 550; 

 Suggested Improvements in Manufacture of Steel Plates, 

 William Muirhead, 550; the Sampling of Iron Ore, T. 

 Clarkson, 551 



Meteorology : a Remarkable Rainfall, Clement L. Wragge, 3 ; 

 the Greatest Rainfall in Twenty-four Hours, E. Douglas 

 Archibald, 77. 17 ; J. S. Gamble. 459 ; Meteorological 

 Council's Summary of Rainfall and Temi>erature 1866 1893, 

 59 ; Rainfall Observations for 1891, 297 ; Alleged Phenome- 

 nal Rainfall at Dera Doon, 297 ; Rainfall Prol>ability in 

 United States, W. Koppen, 215 ; Normal Distribution of 

 Rainfall in Madras Residency, C. Henson, 230 ; on Secular 

 Variations of our Rainfall, 367 ; Analysis of Causes of Rain- 

 fall, Prof. G. E. Curtis, 631 ; the Cold Wave at H.ng Kong, 

 Tanuary, 1893, its After Effects, Sydney B. ]. Skertchly, 3 

 the Weather Week by Week, II, 36, 59, 78, 108, 131, 154. 

 179, 205, 251, 273, 323, 352, 376, 522, 570 ; Fad of Snow- 

 balls in Saxony, Dr. Paul Schreiber, II; Das iilteste 

 Berliner Wettcr-Biich, Prof. Ht-llmann, II ; the Eiffel Tower 

 Experiments, Variation with Height of the Meteorological 

 Elements, M. Angot, 12 ; the Spirit Thermometer, M. Chap- 

 puis, 12 ; Lake Memphramagog, A. S. Drummond, 12 ; 

 American Meteorological Journal, 20, 140, 239. 583, 631 ; 

 Ice ( olumns in Gravelly Soil, Prof. C. Abbe, 20; Diurnal 

 Variations of Barometric Pressure, C. J. Lyons, 20; the 

 Chinook Wind, H. W. Ballon, 21 ; Allergh.ws in Spain, 

 Prof. Augusto Arcimis, 29 ; Prevalence of Violent Storms in 

 Province of Roussillon, Dr. Pines, 36 ; Kew Committee 

 Rep'irt, 59 ; Atmospheric Phenomenon in the North China 

 Sea, Capt. Chas. J. Norcock, 76 ; Prize Offered by Hon. 

 Ralph Abercromby for Study of " Southerly Burster," 77 ; 

 Disastrous Landslip in Norway, 78 ; Meleorologische Zeit- 

 schrift, 91, 188, 215, 284, 259; Iridescent Clouds, H. Mohn, 

 91 ; Determination of Wind Force during Gusts of Bora 

 Storm, E Mazelle, 71 ; Modern Meteor.ilogy, Frank Waldo, 

 William E. Plummer, 97 ; Anemomelrical Observations at 

 Vienna, 1873-1892, D. J. Hann, 108 ; TheClimateof Turin, 

 Dr. Rizzo, 108; Royal Meteorological Society 119, 239; 

 Berlin Meteorological Society, 120; a New Classification 

 of Cloud Forms, F. Gaster, 119 ; Scent, d Mists of Channel 

 Coasts, S. Jourdain, 119 ; Barometric Conditions over Europe 

 during Drought of March- April, 1893, Dr. Less, 120; 

 Notes on Dryness of April, 1893, Dr. Kiemser, 120; the 

 Great Heat of August 8 to 18, 395 ; Drought and Heat at 

 Shirenewton Hall in 1893, E. J. Lowe. F.R.S., 436 ; Spring 

 and Autumn of 1893, Right. Hon. Sir E'lward Fry, F.R.S., 

 509 ; Sccheresse 1893. ses Causes, I'Abbe A. Foriin, 587 ; the 

 Summer of 1893, J Lloyd Bozward, 614 ; 1890 Observations 

 in Adelaide, 132 : Peculiar Rainbo at Aboyne, 132 ; Lon- 

 don Mean Temperatures, 1763-1892, Dr. A. Buchan, 155 ; 



