36o 



NA TURE 



[February 9, 1905 



tion of the aleurone grains : S. Posternak, The analyses 

 of aleurone grains obtained from four different species of 

 plants showed practically the same composition, noteworthy 

 points being the invariable presence of silicon and the 

 absence of sodium and chlorine. The manganese was more 

 variable in amount than the other elements. — The pre- 

 paration of practically sterile musts from apples : G. 

 Perrier. — The mode of dorsal fixation of Lenwecnicus 

 Sardinae on its host : Marcel Baudouin. — The existence of 

 intra-uterine rickets : MM. Charrin and Le Play. — On the 

 folded layers near Saint-Jean-de-Buiges (Herault) ; Ren6 

 Nicklds. — On the ascents of captive balloons carried out 

 on the Mediterranean and on the Atlantic Ocean from the 

 yacht of the Prince of Monaco in 1904 : H. Hergescll. A 

 study of the atmospheric conditions above the ocean, 

 measurements being taken of the temperature, relative 

 humidity, and direction of the wind at varying heights 

 above the sea level. — On the existence of high terraces in 

 the North Ural : L. Duparc and F. Pearce. 



DIARY OF SOCIETIES. 



THURSDAY, Februarv 9. 



Royal Society, at 4.30, — (i) On the Conversion of Electric Oscillations 

 into Continuous Currents by means of a Vacuum Valve : (2) On an 

 Instrument for the Measurement of the Length of Long Electric Waves, 

 and also small Inductances and Capacities : Prof J. A. Flemin_^, 

 F.R.S. — Report on an Area of Local Magnetic Disturbance in 

 East Loch Roaa, Lewes, Hebrides; Captain A. M. Field, R.N.— 

 Phosphorescence caused by the Beta and Gamma Rays of Radium : 

 G. T. Beilby. — (i) The Spectrum of Scandium and its Relation to 

 Celestial Spectra : (2) On the Stellar Line near \ 46S6 ; (3) Note on the 

 Spectrum of fi Centauri: Sir Norman Lockyer, K.C.B., F.R.S. . and 

 F. E. Baxandall.— Europium and its Ultra-Violet Spectrum : Sir William 

 Crookes, F.R.S. 



Royal Institution, at- 5. — Forestry in! the British Empire; Prof. W. 

 Schlich, F.R.S. 



Institution of Electrical Engineers, at 8. — Fuel Economy in Steam 

 Power Pl.-ints ; W. H. Booth and J. B. C. Kershaw. (Conclusion of 

 discussion.)— The Value of Overhead Mains for Electric Distribution in 

 the United Kingdom ; G. L. Addenbrooke. 



Mathematical Society, at 5.30.— General Theory of Transfinite Num- 

 bers and Order-types : Dr. E. W- Hobson-— On the Reducibility of 

 Covariants of Binary Quantics of Infinite Order. Part ii ; Mr. P. W. 

 Wood- 



FRIDAY, February 10. 



Royal Institution, at 9.— The Art of the Ionian Greeks: Dr. Cecil 

 Smith. 



RovAi. Astronomical Society, at 5. — Anniversary Meeting- 



Malaciilogical Society. — .\nnual General Meeting. Address by the 

 President, -Mr. E. R. Sykes, on Variation (including Teratology) in 

 Recent Mollusca. 



Institution of Civil Engineers, at 8-— The Reconstruction of the 

 Santa Lucia River Bridge, L'ruguay ; P. J. Risdon- 



Physical Society, at S- — Address on Radiation Pressure by the President- 

 elect, Prof- J- H. Poynting, F.R.S. 



MONDAY, February 13. 

 Society of Arts, at 8.— Internal Combustion Engines ; Dugald Clerk. 

 RovAL Geographical Society, at 8.30. — The Geographical Results of 



the Tibet Mission : Sir Frank Vounghusband, K.C.I.E. 

 Institution of Mechanical Engineers, at 8. — Results of Force 



Measurements with Cutting Tools, and their Application to Lathe 



Design ; Dr. J. T. Nicolson. 



TUESDAY, February 14. 

 Roval Institution, at 5. — The Structure and Life of Animals: Prof. 



L. C. Mi.all, F.R.S. 

 Sociological Society, at 4.— (1) Restrictions in Marriage; (2) Studies 



in National Eugenics ; Communicated by Dr. Francis Galton, F.R.S. 

 Institution of Civil Engineers, at 8.— Alfreton Second Tunnel ; E. F. 



C. Trench.— The Reconstiuclion of Moncieiffe Tunnel : D. McLellan. 

 Anthropological Institute, at 8.15.— Kinematograph Exhibition of 



Native Dances from Torres Straits: Dr. A. C. Haddon, F.K.S.— The 



Dog-motive in Bornean Art ; E. B. Haddon. 



WEDNESDAY, February 15. 



Royal Microscopical Society, at 8.— Practical Micro-Metallography 

 with Experimental Demonstration : J. E. Stead, F.R.S. 



Royal Meteorological Society, at 7.30.— Report on the Pbenological 

 Observations for 1904 ; E. Mawley. — Observations made during a Balloon 

 .-Vscentat Berlin, September i, 1904 : Dr. Hermann Elias and J. H. Field. 

 —The Winds of East London, Cape Colony : J. R. Sutton 



Chemical Society, at 5.30.— The Condensation of Anilino-acelic Esters 

 in Piesence t,f Sodium Alcoholatc ; A. T. de Mouilpied.— Nitrogen 

 Halogen Derivatives of the Aliphatic Diamines- F. D. Chattaway.— 

 Nitration of Substituted Azopheiiols ; J. T. Hewitt and H. V. Mitchell. 



THURSDAY, February 16. 



Royal Society, at 4.30. — PrphabU Papers: Polarised Rontgen Radia- 

 tion : Dr. G. C. Barkla.— The Effects of Momentary Stresses in Metals : 

 Prof B. HopkinsoD.— The Halogen Hydrides as Conducting Solvents. 

 Part I. The Vapour Pressures, Densities, Surface Energies, and 

 Viscosities of the Pure Solvents : D. Mcintosh and B. D. Steele.— The 

 Halogen Hydrides as Conducting Solvents. Part II. The Conductivity 

 and Molecular Weiehts of Dissolved Substances : D. Mcintosh and 

 E. H. Archibald.— The Halog-n Hydrides as Conducting Solvents. 

 Part III. The Transport Numbers of Certain Dissolved Substances: 

 B. D. Steele.— The Haloeen Hydrides as Conducting Solvents. Part IV.: 

 B. D. Steele, D. Mcintosh, and E. H, Archibald. 



Royal Institution, at 5. — Recent Work of the Geological Survey ; 

 Prof. J. J. H. Teall, F.R S. 



Society of Arts, at 4.30. — The Indian Census of igoi ; Sir Charles A. 

 Elliott, K. C.S.I. 



Linnean'Society, atS.— A Revised Classification of Roses; J. G. Baker, 

 F.R.S. — The Botany of the .\nglo-German Uganda Boundary Com- 

 mission ; E. G. Baker, Spencer Moore, and Dr. A. B. Rendle. 

 FRIDA Y, February 17. 



Royal Institution, at 9. — High Power Microscopy : John W. Gordon. 



Geological Society, at 8.— Anniversary Meeting. 



Epidemiological Society, at 8.30. — The Protozoa in Relation to Disease : 

 Prof. E. J. McWeeney. 



Institution of Mechanical Engineers, at 8.— Annual General Meet- 

 ing. — Adjourned Discussion on the American Visit, 1904. — The Strength 

 of Columns : P.of. W. E. I.illy- 



CONTENTS. PAGE 



Scientific Results of the Belgian Antarctic Expedi- 

 tion. By R. L. and W.E. P 337 



Italian Chemistry. By W. A. D 339 



A New Crystallography. By Harold Hilton .... 340 

 Our Book Shelf :— 



Parsons : " The Arris and Gale Lectures on the 



Neurology of Vision " 340 



" The Twentieth Century Atlas of Microscopical 



Petrography."— G. A. J. C 341 



Mitller and Kiiinzlin : " Abbildungen der in Deutsch- 

 land und denangrenzenden Gebieten vorkommenden 



Grundformen der Orchideen-arten" 341 



Bennett: " Intensification and Reduction " 341 



Letters to the Editor : — 



Slow Transformation Products of Radium. — Prof 



E. Rutherford, F.R.S 341 



Indian and South African Rainfalls, 1892-1902. — 



(IFjM Z)/a^raOT.)— D. E. Hutchins 342 



Compulsory Greek at Cambridge. — Prof. J. 



Wertheimer 344 



Notes on Stonehenge. II. {Illustrated.) By Sir 



Norman Lockyer, K.C.B., F.R.S 345 



Geology of the Moon. By Sir Arch. Geikie, F.R.S. 34S 



Notes 350 



Our Astronomical Column : — 



Ephemeris for Comet 1904 e 353 



Ephemeris for Comet 1904 d 353 



Orbit of Comet 1904 1; (Borrelly) 353 



Obsetvalions of the Leonid Shower of 1904 .... 353 



Spectra of 7 Cygni, a. Canis Minoris, and e Leonis . 354 



Systematic Survey of Double Stars 354 



Report of the Yale Observatory, 1900-4 354 



Prize Subjects of the Batavian Society of Experi- 

 mental Philosophy 354 



The Pic Du Midi Observatory. (Illustrated.) ... 35 



Agricultural Notes 355 



University and Educational Intelligence 356 



Societies and Academies 357 



Diary of Societies 360 



NO. I 84 I, VOL. 71] 



