Nature, ~\ 

 February 2, 1924J 



Title Index 



XXV 



merits 2 to 1200, i.e. beyond Legendre's Range), 



E. S. Pearson ; No. 9 : Log V{x) from x^x to 50-9 



by intervals of -oi, Dr. J. Brownlee, 322 

 Aquatic Gastropods, Dr. N. Annandale, 923 

 Aqueous : Salt Solutions, Conductivities of. Prof. A. J. 



Allmand and L. Nickels, 862 ; Solutions, The Origin 



of Osmotic Effects, C. Gillet, 304 

 Arabia : and Arab Alliances, Sir T. H. Holdich, 127 ; The 



Heart of, a Record of Travel and Exploration, H. 



St. J. B. Philby. 2 vols., 127 

 Archaeological Research, Collaboration in, with Foreign 



Nations, Sir Hercules Read, 142 

 Arctic Canada, K. Rasmussen's Expedition to, 554 

 Arenicola : The Blood Pigment of, Prof. J. Barcroft and H. 



Barcroft, 709 ; The Haemoglobin of. Prof. J. Barcroft 



and H. Barcroft, 922 

 Argumentum ad Communem Sensum, 159 

 Aristotelian Society, Proceedings of the. New Series, vol. 



23, 756 

 Aristotle : and Physical Science, 584 ; on Coming-to-Be 



and Passing- Away (De Generatione et Corruptione) : 



a Revised Text, with Introduction and Commentary 



by H. H. Joachim, 584 ; The Works of, translated 



into English. Meteorologica, by E. W. Webster, 584 

 Arithmetical Processes, Early, Rev. C. A. Brodie-Brock- 



well, 601 

 Arkansas, The Diamond-pipes of, H. D. Miser and C. S. 



Ross, 145 

 Armstrong College : A. Dunbar Smith appointed architect 



of the new library of, 407 ; Prof. A. S. Ferguson 



appointed to the chair of philosophy, 744 

 Arterial Pressure, Measurement of, by the Bleeding 



Method, L. Desliens, 28 

 Artists' materials and methods of cleaning old pictures, 



appointment of a Royal Academy Committee on, 910 

 Arun, The Gorge of the, Capt. C. J. Morris, 633 

 Ascending Currents, Remarkable, at Melbourne, Capt. E. 



Kidson, 938 

 Ascodipteron in Ceylon, Discovery of, R. Senior- White ; 



Dr. H. Scott, 206 

 Ashdon Meteorite, the Chemical Composition of the, G. T. 



Prior, 779 

 Ashley Bottle Machine, The, S. English, 152 

 Asiatic Society, The Royal, F. E. Pargiter, 60, 63 

 Aspiration Tube and its Model, The Dynamical Similitude 



of an, A. Foch, 814 

 Assam, Nagas of, Certain Aspects of the Technology of 



the, H. Balfour, 921 

 Assimilating Tissue in the Plant, F. J. Meyer, 771 

 Asterias, H. C. Chadwick, 432 



ASTRONOMICAL NOTES. 



Comets : 



D' Arrest's Comet, F. R. Cripps, 19, 143 ; Dubiago and 

 Lexin, 247 ; Comets, 632 ; New Comet, 668 ; Two 

 Comets, 738 ; Reinmuth's Comet, 1923B, 769, 805 ; 

 Recovery of D'Arrest's Comet, 875 



Instruments : 



New Transit Instrument at Paris, B. Baillaud, 600 



Meteors : 



The Coming of the Perseids, W. F. Denning, 19 ; Large 

 Meteor, no ; Photography of Meteors, Dr. H. 

 Shapley, 143 ; The Great Perseid Meteor Shower, W. 

 F. Denning, 176 ; The Shower of August Meteors, 

 W. F. Denning, 247 ; A Large Fireball, W. F. Den- 

 ning, 454 ; Fireball of September 7, W. F. Denning, 

 520 ; Two Large Fireballs, W. F. Denning, 668 ; A 

 Bright Meteor, W. F. Denning, 702 ; The Fireball of 

 November 3, W. F. Denning, 738 ; The November 

 Leonids, W. F. Denning, 769 ; A Remarkable 

 Meteoric Procession, Prof. W. H. Pickering, 805 ; The 

 December Meteor Shower, W. F. Denning, 842 ; The 

 January Shower of Meteors, 950 



Observatories : 



Correction to the Longitude of Bordeaux Observatory, 

 J. Trousset and L. Gramont, 65 ; Yerkes Observa- 

 tory : Twenty-fifth Anniversary, 216 ; A Projected 

 French Observatory, 805 ; Proposed Observatory in 

 New Zealand, 842 



Planets : 



Perturbations of the Minor Planets, Prof. A. O. 

 Leuschner, 19 ; Observations of Jupiter, P. Feurtey, 

 176 ; Heat Radiations of Planets, E. Pettit and S. 

 Nicholson, 454 ; Further Search for Intra-mercurial 

 Planets, Prof. W. W. Campbell and R. Trumpler, 485 ; 

 Photographic Magnitudes of Satellites of Jupiter, S. 

 B. Nicholson, 555 ; The Axis of Mars, Prof. W. H. 

 Pickering, 950 

 Stars : 



Silicon Lines in B-type Stars, H. Barrell, 65 ; A Variable 

 of very Short Period, F. C. Jordan, 65 ; The Spiral 

 Nebulae as Dust-clouds, J. H. Reynolds, no; Stars 

 in the Milky Way and at the Galactic Pole, S. I. 

 Bailey, no; The Cepheid Variables and the Distance 

 of the Clusters, R. E. Wilson, 143 ; Parallaxes of 

 Fifty-seven Stars, Mildred Booth and F. Schlesinger, 

 176 ; Spectroscopic Binaries, 176 ; Spectroscopic 

 Parallaxes, W. B. Rimmer, 216 ; Prof. R. Schorr's 

 " Eigenbewegungs-Lexicon," 247 ; Report on the 

 Kapteyn Selected Areas, Prof. Van Rhijn, 292 ; 

 Internal Motion in the Spiral Nebula Messier 33, A. 

 van Maanen, 333 ; Stellar Positions and the Einstein 

 Light-bending, O. Z. Bianco, 372 ; Spectroscopic 

 Parallaxes of Stars of Type B, W. S. Adams and A. 

 H. Joy, 403 ; Stellar Masses, Russell, Adams, and 

 Joy, 454 ; A Small Stellar Mass, P. Meier, 454 ; 

 Ephemerides of Algol Variable Stars, 485 ; Prof. 

 Lindemann's Theory of the Spiral Nebulae, Prof. 

 Perrine ; A. C. Gifford, 520 ; Star-gauges at Lund 

 Observatory, 520 ; Studies in Stellar Masses, Dr. E. 

 Hertzsprung, 555 ; The Want of Symmetry in Stellar 

 Velocities, Dr. G. Stromberg, 600 ; The Spiral 

 Nebulas, J. H. Reynolds, 668; Spectroscopic and 

 Trigonometrical Parallaxes, A. Pannekoek, 702 ; 

 Companion to Omicron Ceti, Prof, R. G. Aitken, 842 ; 

 Interesting Cepheid Variable, 875 ; Mercury as an 

 Evening Star, 912 ; Fixed Calcium Clouds in Inter- 

 stellar Space, J. S. Plaskett, 912 

 Sun : 



The Density of the Corona, B. Fessenkoff, 292 ; The 

 Total Solar Eclipse of September 19, 333, 403 ; Sun- 

 spot Activity, 403 ; The Solar Eclipse of 1922 and 

 Einstein's Theory, Prof. W. W. Campbell and R. 

 Trumpler, 485 ; The Einstein Shift in the Solar 

 Spectrum, Prof. C. E. St. John ; Dr. J. Evershed, 632 ; 

 Polarities of Sunspots, Prof. Hale and Mr. Ellerman, 

 738 ; Sunspots and Changes in Solar Radiation, ' 

 Prof. Abbot, 738 ; The Total Solar Eclipse of Septem- 

 ber 10, 805 ; The Einstein Shift in the Solar Spectral 

 Lines, Prof. C. E. St. John, 912 

 Miscellaneous : 



An Oft-recurring Relativity Blunder, 216 ; The Free 

 Pendulum, F. Hope- Jones, 247 ; Calendar Reform, 

 372 ; Soldner and the Gravitational Shift of Light, 

 R. Trumpler, 520 ; Perturbations by the Method of 

 Quadratures, B. V. Noumeroff, 555 ; The Extrafocal 

 Method of Studying Magnitudes, E. S. King, 769 



Astronomical Photographs, Catalogue of, issued by the 

 University of Chicago Press, 18 



Astronomic : Cours d', Faculte des Sciences de Paris, 

 Prof. H. Andoyer. Premiere partie. 36 edition, 644 ; 

 Theoretischen, Grundriss der, und der Geschichte der 

 Planetentheorien, Dr. J. Frischauf. Dritte Auflage, 

 644. Grosse, Bewegung und Entfernung der Himmels- 

 korper, A. F. Mobius. 13 Auflage, bearbeitet von 

 Prof. H. Kobold. Teil 2, 201 



Astronomy : Fundamental, Problems of. Prof. W. de 

 Sitter, 147 ; Mathematical, 644 ; Popular, 783 



Athens, British School at. The Annual of the. No. 24 : 

 with Supplementary Paper No. i. Pt. I., 536 



Atlantic : Oceanography of the, 215 ; Reported Change 

 of Level of Part of the Bed of the, 331 ; South, 

 Reputed Changes in the Depths of the, 665 



Atmospheric : Conditions, Influence of, upon the Pulse- 

 rate and " Oxygen-debt " after Running, J. A. 

 Campbell, 885 ; Depressions, The Origin of the 

 Accidents caused by Strong, and on the Protection 

 of the Aviator against Troubles of Anoxhaemic Order, 



