Supplement to Nature,'^ 

 December <), 1897 J 



Index 



Armour Plates, Cuirasses et Projectiles de Marine, E. Vallier, 

 315 



Armstrong (H E. ), Conversion of Chloronaphthalenedisulphonic 

 Acids into Dichloronaphthalenedisulphonic Acids, 359 



Arneth (Dr. A. R. von), Death of, 383 



Arnold (Prof. J. O.), the Permeability of Steel-making Crucibles, 

 64 



Arrest's, D', Comet, Appearance of, 256 ; Gustave Leveau, 

 324 



Art, the Science of, 33 



Arth (G. ), Recueil de Precedes de dosage pour I'analyse des 

 Combustibles, des Minerals de fer, des fontes des aciers et 

 des fers, 124 



Asar of Finland, on the, Prince Kropotkin, 485 



Ascent of Water in Trees, on the, Francis Darwin, F.R.S., 307 



Asia : Works of the Tibet Expedition of the years 1889-90, 

 under M. V. Pyevtsoff, 27 ; a Ride through Western Asia, 

 Clive Bigham, 222 



Assam, Identical Customs of Dyaks and Races around, S. E. 

 Peal. 53 



Assaying : Notes on Assaying, P. de P. Ricketts and E. H. 

 Millar, 124; Recueil de Procedes de dosage pour I'analyse 

 des Combustibles des Minerais de fer, des fontes des aciers 

 ct des fers, G. Arth, 124 



Asteroids, the Magnitudes of the, Herr G. Huber, 454 



Astronomy : Star Atlas, W, Upton, 8 ; Organised or Sectional 

 Work in Astronomj', W. F. Denning, 9 ; the International 

 Catalogue and Chart, 13 ; Our Astronomical Column, 17, 39, 

 62, 89, 109, 133, 163, 185, 206, 233,255, 279, 300, 324,350, 

 386, 415, 424, 454, 473, 504, 525, 552, 573, 597, 620; a 

 Remarkable Relation ^between the Distances, Masses, and 

 Surface Gravities of the Planets, M. P. Berthot, 17 ; Relation- 

 ship between the Masses and Distances of the Planets, G. E. 

 Sutclifte, 424; Report of Mr. Tebbutt's Observatory, 17; 

 the Double Star 44 Bootis, Mr. Burnham, 17 ; Southern 

 Double Stars, Profs. W. H. Pickering and S. I. Bailey, 454 ; 

 a Remarkable Binary Star, 525 ; Death of Dr. E. J. Stone, 

 F.R.S., 34 ; Obituary Notice of, 57 ; May Meteors, W. F. 

 Denning, 39 ; Meteor of July 29, J. V. Ramsden, 317 ; the 

 August Meteors, 350 ; a Brilliant Perseid, Dr. W. J. S. 

 Lockyer, 364 ; Outlying Clusters of the Perseids, Prof. A. S. 

 Herschel, F.R.S., 540; a Bright Meteor, Prof. J. P. 

 O'Reilly, 469 ; Forecast of the November Meteor Shower, 

 W. F. Denning, 473 ; a New Meteor Photograph, Prof. E. E. 

 Barnard, 552 ; the Observation of Meteors, with Special 

 Reference to the Leonids, W. F. Denning, 613 ; Centralstelle 

 Telegrams, Prof. H. Kreutz, 39 ; Accidental Errors of 

 Talcott Observations, Herr Doberck, 39 ; on the Varia- 

 tion of Latitude, Prof. S. C. Chandler, 40 ; Resolving 

 Power of Telescopes and Spectroscopes, Prof. F. L. C. 

 Wadsworth, 62 ; Photographs of Metallic Spectra, Dr. O. 

 Lohse, 62 ; the Scientific Papers of John Couch Adams, 

 F.R.S., 73; the Origin of Solar and Stellar Light, M. R. 

 Dissett, 89 ; the Nebula of Orion, 90 ; Nebula unrecorded 

 in Catalogues, Dr. Roberts, 134 ; a New Nebula Photograph, 

 Dr. Isaac Roberts, F.R.S., 454; the Parallax of 61* Cygni, 

 Herman S. Davis, 90; the Chemistry of the Hottest Stars, 

 j. Norman Lockyer, F.R.S., 91 ; the Rotation Period of 

 Jupiter's Third Satellite, Mr. Douglass, 109 ; Jupiter's 

 Satellites, Mr. Douglass, 255 ; the Diameters of Jupiter and 

 his Satellites, Herr Leo Brenner, 504 ; Automatic Photo- 

 graphy of the Corona, David P. Todd, 109 ; the Corona 

 Sjiectrum, J. Evershed, 444; the Gegenschein or Zodiacal 

 Counterglow, Prof. Barnard, 109 ; Death of William God ward, 

 130; the Latitude of the Royal Catania Observatory, 133; 

 Physical and Micrometrical Observations of Venus, Prof. 

 Barnard, 133 ; Harvard College Observatory Zone Observa- 

 tions, 134; the Royal Observatory, Greenwich, 134; Prof. 

 Newcomb on the Distances of the Stars, 139; the Disag- 

 gregation of Comets, O. Callandreau, 143 ; the Disintegration 

 of Comets, M. O. Callandreau, 473 ; Comet Denning 1894 

 I., Prof. Schulhof, 163; Observations of Mars, 163; Ap- 

 jicarance of D'Arrest's Comet, 256 ; Gustave Leveau, 324 ; 

 Reproduction of Cometary Phenomena, Prof. Goldstein, 350 ; 

 Action of Jupiter and Saturn upon Encke's Comet, M. A. 

 Lebeuf, 504; Comet 1886 V., Mdlle. Klumpke, 415: 

 Periodical Comets, W. F. Denning, 518 ; the Orbit of Comet 

 1822 IV., Dr. A. Stichtenoth, 573 ; Comet Perrine, 598, 620 ; 

 the Approaching Total Eclipse of the Sun,J. Norman Lockyer, 

 F.R.S., 154, 175, 318, 365, 392, 445 ; Stations for observing 



the Total Eclipse of the Sun in January 1898, 424 ; on a 

 Method of reproducing Astronomical Photographs, Prof. 

 K. D. Naegamvala, 1 53 ; Death and Obituary Notice of 

 Alvan G. Clark, 158; Prof. Hale, 574; Death of Rev. 

 Alexander Freeman, 159 ; New Southern Variable Stars, 163 ; 

 the 1897 Maximum of Mira Ceti, Dr. Nyland, 163 ; the 

 Variable Star rj Aquilce, William J. S. Lockyer, Prof. R. 

 Copeland, 249 ; Prof. A. Belopolsky, 597 ; New Variable in 

 Coma Berenices, T. D. Anderson, 279 ; the Algol Variable 7. 

 Ilerculis, Dr. Ernst Hartwig, 350; New Variable Stars, 

 Thomas D. Anderson, 386; Stanley Williams, 386; New 

 Southern Variables, R. T. Innes, 415 ; Variable Stars in 

 Clusters, Prof. S. I. Bailey, 454 ; Royal Observatory, Cape 

 of Good Hope, 185 ; Zodiacal Radiants of Fire-balls, W. F. 

 Denning, 185 ; Personal Equation in Transit Observations, 

 Prof. Truman Safford, 206 ; Paris Observatory Report, M. 

 Loewy, 206 ; Belgian Time Reckoning, 206 ; Weinek's 

 Lunar Enlargements, 233 ; Martian Markings, M. Antoniadi, 

 233 ; Distant Stars, Albert Collison, 248 ; Constant of 

 Aberration, C. L. Doolittle, 255 ; Catalogue of 480 Stars for 

 Zone Observations between - 20° and - 80^, Prof. Auwers, 

 255 ; Latitude Observations at the U.S. Naval Observatory, 

 Washington, Prof. W. Harkness, 256 ; the Distribution of 

 Stellar Velocities, Prof. J. C. Kapteyn, 264 ; the Evolution of 

 Stellar Systems, T. J. J. See, Dr. William J. S. Lockyer, 

 295 ; Cambridge Observatory Report, Sir Roliert Ball, 279 ; 

 New Observations of Venus, Dr. Eduardo Fontsere, 300 ; 

 Conjunction of Venus and Jupiter, 573 ; Resolving Power of 

 Spectroscope, Prof. Wadsworth, 300 ; the Horizontal Gyro- 

 scope, 300 ; the Yerkes Observatory, Prof. Hale, 300 ; 

 Dedication of the Yerkes Observatory, 454 ; Natal Observ- 

 atory Report, Mr. Nevill, 324 ; Chronometers, Prof. Raoul 

 Gautier, 324 ; New Determination of Precessional Motion, 

 Prof. Simon Newcomb, 324 ; Recent Contributions to Astro- 

 nomy, 350; Sunspots and the Mean Yearly Temperature at 

 Turin, Dr. G. B. Rizzo, 350 ; the Level of Sunspots, Prof. 

 H. Ricco, 573 ; Death of Dr. W. Petzold, 346 ; Conditions 

 for Best Telescopic Definition, Dr. T. J. J. See, 386 ; Astro- 

 nomical Photography for Small and Large Apertures, Prof. 

 F. L. O. Wadsworth, 386 ; Planetary Notes, 386 ; Death of 

 S. E. Peal, 383 ; Death and Obituary Notice of Albert 

 Marth, 383 ; Effect of Pressure on Series in Spectra, Prof. J. 

 S. Ames, W. J, Humphreys, 415 ; the Law of Spectral Series, 

 Prof, Thiele, 597 ; the Madras Observatory, C. Mitchie 

 Smith, 424 ; the Magnitudes of the Asteroids, Herr G. Huber, 

 454 ; the Meudon Astrophysical Observatory, Dr. William 

 J. S. Lockyer, 494 ; the Cause of the Proper Motion of Stars, 

 504 ; New Determination of the Solar Constant, Dr. G. B. 

 Rizzo, 504 ; New Divisions in the Rings of Saturn, Prof. J. 

 M. Schaeberle, 552 ; Bond's Collected Works, 525 ; Eclipse 

 Expedition of the Lick Observatory, 525 ; the Etna Observ- 

 atory, 544 ; the Alleged Former Redness of Sirius, Dr. H. 

 Samter, 552 ; Stars in the Large Magellanic Cloud, 620 ; the 

 Photograpfiy of Delicate Celestial Phenomena, Dr. T. J. J. 

 See, Prof. F. L. O. Wadsworth, 620 ; Dr. B. Engelhardt's 

 Observatory, 620 



Astrophysics : the Meudon Astrophysical Observatory, Dr. 

 William J. S. Lockyer, 494 



Athens, Meteorological Observations at, 253 ; M. Eginitis, 



253 

 Atkinson (Prof. G. F.), some Preliminary Experiments with the 



Rontgen Rays on Plants, 600 

 Atlantic, on the Surface Plankton of the. Prof. Herdman, W. 



Garstang, 555 

 Atlas, Star, W. Upton, 8 

 Atmosphere : the Story of the • Earth's Atmosphere, Douglas 



Archibald, 78 ; the Effect of Wind and Atmospheric Pressure 



on the Tide, F. L. Ortt, 80 ; Atmospheric Centres of Action, 



Dr. H. H. Hildebrandsson, 160 ; on the Constituents of the 



Atmosphere, Prof. F. C. Chamberlin, 485 

 Atomic Theory : Histoire de la Philosophie Atomistique, 



Leopold Mabilleau, P. J. Hartog, 513 

 Atomic Weight of Thorium, Prof. Brauner on the, 462 

 Atomic Weights of Nickel and Cobalt, Prof. Richards on the, 



462 

 Audition, the Limits of, Rt. Hon. Lord Rayleigh, F.R.S,, 285 

 Auerbach (Dr. Leopold), Death of, 594^ 

 Augury from Combat of Shell-fish, on, Kumagusu Minakata, 30 ; 



Chas. A. Silberrad, 494 

 August Meteors, the, 350 



