66 



NATURE 



[NOVRMBER lO, T9IO 



heated Aluminium Phosphate: Dr F. Horton. — On the Determination of 

 the Tension of a recently-formed Water surface : N. Bohr. — Aerial Plane 

 Waves of Finite Amplitude : Lord Rayleigh, '^.M., F.R.S. — Observations 

 on the Anomalous Behaviour of Del'cate Balances, and an Account of 

 Devices for increasing Accurncv in Weighines : T. J. Manley. — On the 

 Improhability of a Random Distribution of the St^rs in Space : Prof. 

 Y. W. Dyfon, F.R.S. — The Conditions necessary for Discontinuous 

 Motion in Gases : G. I. Taylor. — (i) On the Radium Conf'nt of Basalt ; 

 {■2\ Measurements of the Rate at which Helium is produced in Thorianite 

 and Pitch-blende, with a Minimum Estimate of their Antiquity: Ihe 

 Hon. R. J. Strutt, F R.S. 

 Mathematical Society, at 5.30. — Annual General Meetine. — The 

 Relation of Mathematics to Experimental Science (Presidential Address) : 

 Sir W. D. Niven. — Properties of Losarithmico-exponential Functions: 

 G. H. Hardy.— The Double Six of Lines : G. T. Bennett.— On .Semi- 

 integrals and Oscillating Successions of Functions : Dr. W. H Young. — 

 On the Existence of a Differential Coefficient : Dr. W. H. Young and 

 Mrs. Young. — The Analytical Extension of Riemann's Zeta-function : 

 F. Tavani. — The Geometrical Representation of non-real Points in space 

 of Two and Three Dimensions: T. W. Chaundy. — The Extension of 

 Tauber's Theorem : J. E. Littlewood. — A Note on the Property of being 

 a Differential Coefficient : Dr. W. H. Young. — The Stability of Rotating 

 Shafts : F. B. Piddurk. — A Cla.ss of Orthosonal Surfaces : J. E. 

 Campbell. — On Non-integral Orders of Summability of Series and 

 Integrals : S. Chapman. — Optical Geometry of Motion : A. A. Robb. 

 — Lineo-Iinear Transformations, specially in Two Variables : Dr. A. R. 

 Forsvth. — On the Conditions that a Trigonometrical Series shouH have 

 the Fourier Form : Dr. W. H. Young. — Notes on Termir.ating Hyper- 

 geometric Series : Dr. W. F. Sheppard. — The Transformation of a 

 particular type of Electromagnetic Field and its Physical Interpretation : 

 H. Bateman. 



Institution of Electrical Engineers, at 8. — Inaugural Address of 

 the President : S. Z. de Ferranti. 



Society of Dyers and Colourists, at 8. — A Comparison between the 

 Action of Dyeing,^ Tanning, and Vulcanisation : W. P. Dreaper. 



FRIDAY, November ii. 



Royal Astronomical Society, at 5. — On the Formulae for comparison of 

 Observed Phenomena of Jupiter's Satellites with Theory : W. de Sitter. — 

 Photographs of Halley's Comet taken with the Astrographic Telescope at 

 the Cordoba Obsers'atory : C. D. Perrine. — Third note on the number of 

 Faint Stars with large Proper Motions : H. H. Turner. — (i) Mean Areas 

 and Heliographic Latitudes of Sun-spots in 1907, 1908, and 1909; (2) Ob- 

 servations of Minor Planets in 1909 ; (3) Observations of Jupiter's Eighth 

 Satellite in 1910 : Royal Observatory, Greenwich. — Probable Paptrs: 

 Preliminary Comparison with Observation of the Tables of the Four 

 great Satellites of Jupiter : R. A. Sampson. — (i) The Svstematic Motions 

 of the Stars of Boss's " Preliminary General Catalogue"; (2) Note on a 

 Moving Cluster of Helium Stars in Perseus : A. S. Eddington. 



Malacological Society, at 8. — On the names used by Bolten and 

 Da Costa for genera of Venerdise : A. J. Jukes-Browne, F.R.S. — On 

 New Melaniidse from Goram and Kei IslanHs, Malay Archipelago : 

 H. B. Preston. — On the Anatomy of the British Species of the Genus 

 Psammobia : H. H. Bloomer. — Note on Triton tesselatus : Major A. J. 

 Peile. 



Physical Society, at 8. — On the supposed Propagation of Equatorial 

 Magnetic Disturbances with Velocities of the Order of 100 miles per 

 second : Dr. Chree, F.R.S. — On Cusped Waves of Light and the Theory 

 of the Rainbow : Prof. W. B. Morton. — Exhibition of a Brightness 

 Photometer : J. S. Dow. 



TUESDAY, November 15. 



Royal Anthropological Institute, at 8.15. — The Castes of Eastern 

 Bengal (Epidiascope) : Sir H. H. Risley, K.C.I.E., C.S.I. 



Zoological Society, at 8.30. — On the Inherftance of the Webfoot 

 Character in Pigeons : J. Lew'S Bonhote. — Notes on the little-known 

 Lizard Laccrta jacksoni Blgr., with special reference to its Cranial 

 Characters: Edward Degen. — On Lacerta peloponnesiaca Bibr. : G. A. 

 Boulenger, F.R.S. — Remarks on Two Species of Fishes of the Genus 

 Gobius, from Observations made at Roscoff : Edward G. Boulenger. 



Royal Statistical Society, at 5. — Presidential Address on a Statistical 

 Survey of the Problems of Pauperism : Lord Gorge Hamilton, G.C.S. I. 



Mineralogical Society, at 5.30. — Anniversarj' Meeting. — Further Notes 

 on Wood-tin: J. H. Collins. — On the Alteration of the Felspar of 

 Granites to China-clay : T. M. Coon. — On Wiltshireite, a new Mineral 

 from the Binnenthal : Prof. W. J. Lewis. — A. new Locality of Phenakite 

 in Cornwall : A. Russell. 



Junior Institutiov of Engineers, at 7.30. — Presidential Address on 

 the Influence of Pure Science in Engineering: Sir T. J. Thomson, 

 F.R.S. ^ 



Institution of Civil Engineers, at i.— Further discussion : The 

 London County Council Holbora to Strand Improvement, and Tramway- 

 Subway : G. W. Humphreys. 



WEDNESDAY, November 16. 



Royal Meteorological Society, at 7.30. — Results of the Hourly 

 Balloon Ascents made from Manchester, March i8th-i9th, iqio : Miss 

 Margaret White. — Registering Balloon Ascents, December 6th to nth, 

 1909, and August 8th to 13th, 1910 : W. H. Dines, F.R.S. — Pilot Balloon 

 Observations in Barbados, December 6th to nth, 1909 : Charles J. P. 

 Cave. — Report on Balloon Experiments at Blackpool: Capt. C. H. Ley. 

 — Registering Balloon Ascents at Liverpool, June 21st to 23rd, 1910 : 

 W. Marriott. 



Royal Microscopical Society, at 8. — Specimens of British Mycetozoa : 

 A. E. Hilton. 



Entomological Society, at 8. 



NO. 2 141, VOL. 85] 



THURSDAY, November 17. 



Royal Society, at ^.-^o.— Probable Papers: On the Effect of Ora\ t 

 upon the Movements and Aggregation oi EuglenaniridisVJaTh. and oilier U 

 Micro-organisms: Harold Wager, F.R.S.— The Influence of Bacterial 

 Endotoxins on Phagocytosis {including a new method for the Differentia- 

 tion of Ba'-teria). (Second Report) : L. S. Dudgeon, P. N. Panton, and 

 H. A F. Nil.son.— On the State of Aggregation of Matter. Part I. On 

 the Action of Salts in Heterogeneous Svstems, and on the Nature of ihe 

 Globulins. Part II. On theAction of Formaldehyde on Witte's Peptone 

 Part III. On the Solubility of Phenol and certain Crystalline Substances 

 in Salt Solutions: Dr. S. B. Schryver — The Proteolytic Enzyme of 

 Drosera : Miss Jean White —A Method for Isolating and Growing the 

 Leprosy Bacillus of Man : F. W. Twort.— The Oxidation of Phenol by 

 certain Bacteria in Pure Culture : G. J. Fowler, E Ardern, and W. T. 

 Locke tt. 



LiNNEAN Society, at 8.— (i) Theoretical Origin of Plantago mnritima 

 and P. alpina, from P. coronopus ; (2) Supplementary Observations on 

 the [Theory of Monocotyledons being derived from Aquatic Dicotyle- 



^ dons : Rev. George Henslow. 



Royal Geographical Society, at 5.— Research Meeting. Origin of the 

 Present Geography of Northern Nigeria : Dr. J. D. Falconer. 



FRIDAY, November 18, 

 Institution of Mechanical Engineers, at 8.— The Development of 

 Road Locomotion in Recent Years : L. A. Legros. 



CONTENTS. PAGE 



Physiology as a Speculative Science. By A. J, J. B. 35 



The Complete Botany-teacher. By F. C 36 



Climatic Conditions and Organic Evolution. By 



Ivor Thomas 36 



Commercial Organic Analysis. By C. S 37 



The Seven Lamps of Biology. By J. A. T 37 



A Monograph of the Petrels 38 



Our Book Shelf 39 



Letters to the Editor:— 



Origin of Dun Horses. — Prof. J. C. Ewart, F.R.S. 40 



Markings of Mars. — ^James H. Worthington ... 40 



November Meteors. — ^John R. Henry 40 



Early Burial Customs in Egypt. — Prof. W. M. 

 Flinders Petrie, F.R.S. ; Prof. G. Elliot Smith, 



F.R.S. 41 



Simulium and Pellagra. — R. Shelford 4I 



The Cocos-Keeling Atoll.— Rev. E, C. Spicer ; F. 



Wood-Jones; The Reviewer 42 



Winter Whitening in Mammals. — Major G. E. H, 



Barrett-Hamilton 42 



Helium and Geological Time. — Hon. R. J. Strutt, 



F.R.S 43 



The Subantarctic Islands of New Zealand. {Illus- 

 trated.) By Prof. Arthur Dendy, F.R.S 43 



Bird Migration. By Sir T. Digby Pigott, C.B. ... 44 



New Discoveries at Knossos. By H. R. Hall ... 45 



Notes 46 



Our Astronomical Column: — 



Fireball of November 2 5* 



Rotation of the Moon •. . 5' 



Ephemeris for Halley's Comet 51 



Selenium Photometer Measures of the Brightness of 



Halley's Comet . . . • 5* 



The Apparent Diameter of Jupiter 5* 



Curved Photographic Plates 5^ 



The "Michael Sars " North Atlantic Deep-sea 



Expedition, 1910. {Illustrated.) By Dr. Johan Hjort 52 

 The Association of Teachers in Technical Institu- 

 tions 55 



Meteorological Relationships 55 



The Latitude of Athens 56 



Education in Technical Objects 5^ 



The Crystallography of Haemoglobins 57 



Problems of Wheat Growing 57 



Botany at the British Association 58 



Engineering and Civilisation. By Alexander Siemens 59 

 Forestry Education: its Importance and Require- 

 ments. By E, B. Steboing 61 



University and Educational Intelligence 6a 



Societies and Academies 63 



Diary of Societies 64 



