Nature, "1 

 February 2, 1924J 



Title Index 



XXXI 



Long-range Particles from Radium-active Deposit, Drs. 



G. Kirsch and H. Pettersson, 394, 687 ; L. F. Bates and 



J. S. Rogers, 435, 938 ; Dr. H. Pettersson, 540 

 McLeod Gauge, A Substitute for the. Dr. N. R. Campbell, 



B. P. Dudding, and J. W. Ryde, 651 

 Malaria : and Anopheles funestus in Mauritius, M. E. 



MacGregor, 934 ; Sir Ronald Ross, 935 ; in the Malay 



Peninsula, The Control of, Dr. M. Watson, 470 

 Megalithic Monuments, Distribution of, W. J. Perry, 164 

 Mercury, Phototropic Compounds of, M. L. Dey, 240 

 Mesozoic Insects of Queensland, Dr. A. B. Walkom, 831 

 Meteorite, The Reported, at Quetta, Dr. E. H. Pascoe, 241 

 Metric Campaign, The, H. Harries, 363 

 Micelle, The, a Question of Notation, W. B. Hardy, 537 

 Micelles and Colloidal Ions, Prof. J. W. McBain, 865 

 Microscopes, The Resolving Power of, on Test-plates for 



Microscopic Objectives, A. Mallock, 130 

 Mirage, A Mountain, E. L. Gill, 239 

 Molecular : Interruption, A. Fairbourne, 98 ; Movements, 



Selective Interruption of. Prof. F. A. Lindemann, 654 

 Molecule, On the Structure of the, A. P. Jenkin, 326 

 " Mollusca, Guide to the," C. Tate Regan ; The Reviewer, 



166 

 Monocystis, A Method for Demonstrating the Stages in 



the Life History of, in Practical Class Work, Dr. A. J. 



Grove, 397 

 Motion, Equations of. The True Relation of Einstein's 



to Newton's, Dr. L. Silberstein, 788 

 Musk Ox in Arctic Islands, The, Dr. V. Stefansson, 590 

 Nebular Lines, A Possible Origin of the, H. H. Plaskett, 



392 

 Notornis Owen, The Ralline Genus, Dr. H. O. Forbes, 762 

 Numerical Relations, Some Curious, Dr. N. E. Dorsey, 



505 ; Prof. H. S. Allen, 622 

 Ocean Island, The Phosphate Deposit of, L. Owen, 362 ; 



The Writer of the Note, 363 

 Organic Compounds, Pure, Identification of, W. A. 



Silvester ; J. F. T., 791 

 Ozone, Thunderstorms and. Dr. W. C. Reynolds, 396 

 Painted Pebbles from the North-East Coast of Scotland, 



M. C. B., 506 

 Petroleum, The Origin of, G. W. Halse, 761 

 Phosphorescence caused by Active Nitrogen, Dr. H. 



Krepelka, 134 

 Photographic Plates for the Extreme Ultra- Violet, Prof. 



T. Lyman, 202 

 Photosynthesis, Effect of Infinitesimal Traces of Chemical 



Substances on. Sir J. C. Bose, 95 

 Plant Extracts, Effect of, on Blood Sugar, Dr. W. 



Thallinner and Margaret C. Perry, 164 

 Polar : Climate and Vegetation, L. C. W. Bonacina, 436 ; 



Temperatures and Coal Measures, Dr. V. Stefansson, 



162, 472 

 Population and Unemployment, Dr. Marie C. Stopes, 688 

 Potential near Electrodes, Gradient of. Prof. S. Piefi- 



kowski, 99 

 Proctor, Richard A., Biography of, S. D. Proctor-Smyth 



and Mary Proctor, 865 

 Protozoa and Virus Diseases of Plants, M. S. Lacey, 280 

 Prout, William, A Suggested Modification of " Proton " 



to " Prouton " as a Memorial to. Prof. A. W. Browne, 793 

 Psycho- Analysis and Anthropology, Dr. B. Malinowski, 



650 ; Prof. G. Elliot Smith, 761 ; Prof. C. G. Seligman, 



933 

 Psychology, Principles of. Col. A. Lynch, 760 ; The 



Reviewer, 761 

 Puzzle Paper Band, A, Prof. D'Arcy W. Thompson, 56 

 Quanta, Waves and, L. de Broglie, 540 

 Quantum in Atomic Astronomy, The, Sir Oliver Lodge, 1 30 

 " Rings " on the Shells of Cardium and other Molluscs, 



On the Significance of. Dr. J. H. Orton, 10 

 River Pollution, Prof. A. Meek, 722 

 Rocks, The Transport of, E. J. Wayland ; Prof. G. A. J. 



Cole, 99 

 Sarsen Stone, A Large, C. Carus-Wilson, 653 

 Sarsens, Tubular Cavities in, C. Carus-Wilson, 324 

 Schistosoma hcematobium and Schistosoma mansoni in 



Nyasaland Protectorate, The Intermediary Hosts of the 



Human Trematodes, Dr. J. B. Christopherson, 436 

 Science : and Economics, Prof. F. Soddy, 55 ; and the 



State, P. Farrer, 689 



Scientific : and Technical Publications, A Standard 

 System for, J. F. Pownall, 794 ; Council, A Representa- 

 tive, H. Richardson, 689 ; Names of Greek Derivation, 

 Dr. J. W. Evans, 9 ; Prof. G. A. J. Cole, 10 ; Sir 

 Sidney F. Harmer; Prof. F. Jeffrey Bell, 165; Dr. W. 

 D. Matthew, 241 ; Sir Clifford Allbutt, 590 ; Prof. G. 

 A. J. Cole, 724 ; Dr. F. A. Bather ; Dr. J. W. Evans, 901 



Series Spectra in Oxygen and Sulphur, Dr. J. J. Hopfield, 



437 



Sex Chromosomes in Plants, Miss Kathleen Bever Black- 

 burn, 687 



Sexual Physiology, Dr. C. Shearer, 621 ; The Reviewer, 622 



Shakespeare and the Indian Meteors of 1592, H. 

 Beveridge, 57 



Sky, Proposed International Survey of the;: C. J. P. Cave 

 and G. A. Clarke, 282 ; C. J. P. Cave, 363 



Soil-grains, Adsorption on. Prof. G. A. J. Cole, 205 



Solar Activity and Atmospheric Electricity, Dr. L. A. 

 Bauer, 203, 686 ; Dr. C. Chree, 361 



Spectra of Fifth Group Metals, The, A. E. Ruark, F. L. 

 Mohler, P. D. Foote, and R. L. Chenault, 831 



Spectral : Series in the Oxygen Group, Profs. J. J. 

 Hopfield and R. T. Birge, 790 ; Lines of Iron, On the 

 Regularities of the, and the Atomic Magnetic Field, 

 Prof. H. Nagaoka and Y. Sugiura, 359 



Spherical Masses, Curious, in Ashdown Sands, G. Abbott, 539 



Stirling's Theorem, J. Henderson, 96, 726; G. J. Lid- 

 stone, 283 



Sugar Maple, The Translocation of Carbohydrates in the, 

 J. Adams, 207 



Sun, On Continuous Radiation from the. Prof. Megh Nad 

 Saha, 282 



Surface Water in Indian Seas, The Influence of Barometric 

 Pressure on the Specific Gravity of the. Major R. B. 

 S. Sewell, 789 



Symmetry, Molecular and Crystal, T. V. Barker, 96 



Temperature: Incubator, Multiple, C. B. Williams, 134; 

 of the Upper Atmosphere, Determination of the, by 

 Meteor Observations, F. J. W. Whipple, 759 ; Very 

 High, The Measurement of, I. O. Griffith, 589 



Thunderstorms and Ozone, Dr. W. C. Reynolds, 396 



Tidal Dissipation of Energy, Dr. H. Jeffreys, 622 



Tides, The, E. M'Lennan, 99, 726 ; The Writer of the 

 Note, 100, 726 



Tomato, Mosaic Disease of. Minute " Organisms " isolated 

 from the Virus of. Dr. W. F. Bewley, 903 



Tracts for Computers, Prof. Karl Pearson. 831 



Transfinite Ordinals of the Second Class, The, Dr. H. C. 

 Pocklington, 57 



Trout, Late Fertilisation and Sex-ratio in, J. S. Huxley, 828 



Upper Air : Conditions after a Line-squall, M. A. Giblett, 

 863 ; Variables, Correlation of. Prof. P. C. Mahalanobis, 

 323 ; The Writer of the Note, 324 ; W. H. Dines, 502 



Urease : as a Product of Bacterium radicicola, Prof. M. W. 

 Beijerinck, 439 ; in the Nodules on the Roots of 

 Leguminous Plants, The Presence of. Prof. E. A. 

 Werner, 202 ; The Occurrence of. Prof. H. E. Arm- 

 strong, 620 



Virus Diseases of Plants, Protozoa and, M. S. Lacey, 280 



Waltzing Mouse, A, G. W. Harris, 939 



Waves and Quanta, L. de Broglie, 540 



X-ray Scattering, The " J " Phenomena and. Prof. C. G. 

 Barkla, 723 



X-rays : and Crystal Symmetry, T. V. Barker, 502 ; Sir 

 W. H. Bragg, 618 ; from Crystals ? Is there a Change of 

 Wave-length on Reflection of, G. E. M. Jauncey and 

 C. H. Eckart, 325 ; Scattered, Recoil of Electrons from. 

 Prof. A. H. Compton ; C. T. R. Wilson, 435 



Yeast Extracts, Use of, in Diabetes, L. B. Winter and W. 

 Smith, 205 



Zoological : Bibliography, T. Sheppard, 652, 794, 865 ; 

 Dr. F. A. Bather, 794 ; Nomenclature : Spirifer and 

 Syringothyris, Dr. C. W. Stiles, 473 



Corresponding Points on the Curve of Intersection of two 

 Quadrics, A. C. O'SuUivan, 184 



Corrosion : of Condenser Tubes, Dr. Bengough, R. May, 

 and Miss Pirret, 704 ; of the Condenser of a Com- 

 pression Plant, L. Hackspill and A. Conder, 75 ; 

 The Causes and Prevention of, A. A. PolUtt, 357 ; 

 The Electro-chemical Character of, U. R. Evans, 491 



