330 



NA TURE 



[January 13, 1910 



H. Bateman.— On Homogeneous Oscillation : Dr. W. H. Young.— On 

 the Determination of a Semiconlinuous Function from a Countable Set 

 of Values: Dr. W. H. and Mrs. Young.— Note on a Former Paper on 

 the Theory of Divergent Series : G. H. Hardy.— On the Expression of 

 a Certain" Function. hy Means of a Series of Polynomials: Dr. H. F. 

 Baker.— On the Theory of the Cubic Surface : Dr. H. F. Baker.— The 

 Harmonic Functions associated wilh the Parabolic Cylinder : G. N. 

 Watson.— Note on the Theory of Sets in Probabilities : Dr. H. de S. 

 Pittard. 



Institution of Electrical Engineers, at 8. — Lord Kelvin's Work in 

 Telegraphy and Navigation (Second Kelvin Lecture) : Prof. J. A. Ewing, 

 C.B., F.R.S. 



FRIDAY, January 14. 



Malacological Society, at 8. — Note on Helix dcsertorttm : Mrs. G. B. 

 Longstaff. — Description of Thersites {Glyptorhagada) HiliieH, n.sp., 

 from Central South Australia : E. A. Smith.— Note on Allwracophorus 

 Schauinslandi: Henry Suter.— The Ampullarida: of the Eastern Hemi- 

 sphere. Description of New Species of Donovania, Scutellina, Fissurella, 

 and Pisania: G. B. Sowerby— Marine Mollusca from the Kermadec 

 Islands. Notes on PoK-placophora, chiefly Australasian : T. E. Iredale.— 

 Helicoids from New Guinea and Description of a New Species of 

 Papuina : G. K. Gude. 



Royal Astronomical Society, at 5.- The Moon in Ultra-violet Light : 

 Spectro-selenography : R. W. Wood. — Radial Movement in Sun-spots : 

 Second fafer : I. Evershed.— On Mr. Fotheringham's Criticisms, 

 Monthly Notices, Vol. Ixix., pp. 669-73 : E. Nevill.— A Last Word on 

 the Correlation of Variable Stars : Karl Pearson.— The Principal Formula 

 of Interpolation and Mechanical Differentiation and Integration: H. C. 

 Plummer. — Note on some Sun-=pots visible in September. 1909 ; Col. E. E. 

 l\iix\iii\cV.— Probable Papers : Observations of Occultations of Stars by 

 the Moon made at the Royal Observatory, Greenwich, in the year 1909 ; 

 Astronomer Royal.— Observations of Minor Planets from Photographs 

 taken with the 30-inch Reflector of the Thompson Equatorial at the 

 Royal Observator>', Greenwich, during the year 1909 : Astronomer Royal. 



Institution of Civil Engineers, at 8.— Some Uses of Mechanical 

 Power in Engineering Construction : H. F. Donaldson, C.B. 



MONDAY, January 17. 



Society of Chemical Industry, at 8.— The Direct Separation of Emul- 

 sions by Filtration and Ultra-Filtration : E. Hatschek.— Significance of 

 the Abel Heat Test of Gun Cotton and Nitro-glycerine : R. Robertson 

 and B. J. Smart.— Note on the Estimation of Iron in Ferric Solution : 

 A. F. Joseph. 



Royal Society of Arts, at 8. — Textile Ornamentation ; Alan S. Cole, 



TUESDAY, i^ttv^Kl zi. 



Royal Institution, at 3.— The Cultivation of the Sea: Prof. W. A. 

 Herdman, F.R.S. 



iNSTITtTTE OF Metals, at 10.30 a.m. — Address by the President, Sir 

 Gerald Muntz, Bart. 



Zoological Society, at 8.30.— Report on Pathological Observations at 

 the Society's Gardens during 190^ ; Dr. H. G. Plimmer. — Zoological 

 Collections from Northern Rhodesia and Adjacent Territories : Lcpido- 

 ftcra Rliofalocera : S. A. Neave.— I In the Marine Fishes and Inverte- 

 brates of St. Helena: J. T. Cunningham.— Notes on the Hydroids and 

 Nudibranchs of Bermuda : W. M. Smallwood.-On New or R.ire 

 Crustacea of the Order Cumacea fr"m the Collection of the Copenhagen 

 Museum. Part 11., The Families Nannastacida: and Diastylida: : 

 Dr. W. T. Caiman. 



Royal Statistical Society, at 5. 



Institution of Civil Engineers, at 8. — Further Discussion : The 

 Design of Rolling Slock for Smooth-rail Working on Heavy Gradients : 

 F. W. B^.Qh.— Probable Paper: The Reconstruction of the Tyne North 

 Pier : I. C. Barling. 



Faraday Society, at 8. — The Conditions which Determine the Com- 

 position of Electro-deposited Alloys. Part II., Silver-copper ; S. Field.— 

 Studies in the Electro-deposition of Mttals : Dr. F. Mollwo Perkin and 

 W. E. Hughes. -The Compressibilities of Helium and Neon: F. P. 

 Burt. — Gas-washing Bottles with very Slight Resistance to the Passage 

 of a Gas : Dr. A. C. Gumming. 



WEDNESDAY, January 19. 



Institute of Metals, at 10.30 a.m. — Probable Papers : The Use of 

 Caibonaceous Fillers in the Smelting of Zinc, as employed in the Hopkins 

 Fumeless Zinc Process : C. O. Bannister.— The Properties and Constitu- 

 tion of Copper .\rsenic Alloys : G. D. Bengough. — The Failure in Practice 

 of Non-ferrous Metals and Alloys, with Particular Reference to Brass 

 Loco-tubes ; T. Vaughan Hughes.— A Contribution to the Study of 

 Phosphor Bronze : O. F. Hudson and E. F. Law. — Notes on a Suggested 

 Record of .\nalyses : C. A. Klein. — The Analysis of Aluminium and its 

 Alloys : Dr. R. Seligman and F. J. Willott.— The Assay of Industrial 

 Gold Alloys : E. A. Smith. 



Royal Society of Arts, at 8.— The Japan-British Exhibition, 1910 : 

 Count Hirokichi Mutsu. 



RoVAL Microscopical Society, at 8. — President's Address; Sir E. Ray 

 Lankester, K.C.B., F.R.S. 



Ento.mological Society, at 8. — Annual Meeting. 



Royal Meteorological Society, at 7.30, Ordinary Meeting. — At 7.45, 

 Annual General Meeting. — Presentation of the Symons' Gold Medal to 

 Dr. W. N. Shaw, F.R.S. -Presidential .Wdress : Some Relations of 

 Meteorology with Agriculture : H. Mellish. 



THURSDAY, January 20. 



Royal Society, at ^.y^.— Probable Papers: Further Observations on the 



Pathology of G.istric Ulcer (Progress Report): Dr. C. Bolton.— (i) The 



Velocity of Reaction in the "Absorption" of Specific Agglutinins by 



'a, and in the "Adsorption "of Agglutinins, Trypsins, and Sulphuric 



Acid by Animal Charcoal ; (2) On the Absorption of Agglutinin by 

 Bacteria, and the Application of Physico-chemical Laws thereto ; Georges 

 Dreyer and J. Shollo Douglas.-Observations on the Rate of Action of 

 Drugs (Alcohol, Chloroform, Quinine, Aconitine) upon Muscle as a 

 Function of Temperature : Dr. V. H. Veley, F.R.S., and Dr. A. D. 

 Waller, F.R.S, -An Examination of ihe Physical and Physiological 

 Properties of Tetrachlorethane and Trichlorethylene : Dr. V. H. Veley, 

 F.R.S. — The Action of Antimony Compounds in Trypanosomiasis in 

 Rats: J. D. Thomson and Prof. \. R. Cushny, F.R.S.— " -4makebe,' 

 a Disease of Calves in Uganda : Colonel Sir David Bruce, C.B., F.R.S., 

 Captains A. E. Hamerton, H. R. Bateman, and F. P. Mackie. 



Royal Institution, at 3. — J^ssyriology : Rev. C. H. W. Johns. 



Linnean Society, at 8.— Discussion on the Origin of Vertebrates : Dr. 

 Gaskell, Dr. Gadow, Mr. Goodrich, Prof. Starling, Prof. MacBride, 

 Dr. Smith Woodward, Prof. Dendy. 



Institution of Mining and Metallurgy, at 8. 

 FRIDAY, January 21. 



Royal Institution, at 9. — Light Reactions at Low Temperatures : 

 Sir James Dewar, F.R.S. 



Institution of Mechanical Engineers, at 8. — Ninth Report to the 

 Alloys Research Committee : On the Properties of some Alloys of 

 Copper, Aluminium, and Manganese (with an Appendix on the Corrosion 

 of Alloys of Copper and Aluminium when exposed to the Sea): Dr. W. 

 Rosenhain and F. C. A. H. Lantsberry. 



Physical Society, at 5. — Saturation Specific Heats, &c., with van der 

 Waals' and Clausius' Characteristics : R. E. Baynes.— The Polarisation 

 of Dielectrics in a Steady Field of Force : Prof. W. M. Thornton.— 

 On the Use of Mutual Inductometers : Albert Campbell. 



NO. 2098, VOL. 82] 



CONTENTS. PAGE 



A Japanese Priest in Tibet. By Lt.-Col. L. A. 



Waddell 301 



Criticism in Geology. By Prof. Grenville A. J. Cole -j02 



Chemical Philosophy. By H. M. D 303 



Oceanography in the North Atlantic 304 



The Case for Eugenics. By E. H. J. S 305 



Indian 'Woods and their Uses 305 



Our Book Shelf:— 



"A Survey and Record of Woolwich and West Kent." 



— ■W. G. F ''306 



Boldingh : " The Flora of the Dutch West Indian 



Islands " 307 



Granger: "Weather Forecasting by Simple Methods" 307 

 Letters to the Editor : — 



The Invention of the Slide Rule.— Dr. Alexander 



Russell 307 



The Tercentenary of ihe Telescope. — ^J. A. Hard- 

 castle 307 



Cross-fertilisation of Sweet-peas. — Dr. Francis 



Darwin, F.R.S. ; The Original " IT " 308 



A Hardy Goldfish.— G. C. Constable ...... 308 



Recent Work in the Telegraphic Transmission of 



Pictures. [^Illustrated.') By T. Thorne-Baker ... 309 



Sir Charles Wilson. {Illustrated.) By E. H. H. . . 311 

 Technological Science in Germany. By C. 



Simmonds 313 



Plagues of Locusts in South Africa. By G. H. C. 314 



Notes 315 



Our Astroaotnical Column : — 



Halley's Comet, igogr. (Illustrated.) 319 



The Total Solar Eclipse of May 8 320 



Comets due to Relurn this Year 320 



Oppositions of Mars, and Simultaneous Disappearances 



6f Jupiter's Satellites, 1800-1999 320 



A Br'illiant Fireball ... 320 



Ancient Ideas of the Physical World 320 



Minor Planets 320 



Marine Biology at Port Erin. (Illustrated.) By 



W. J. Dakin 321 



Prizes Proposed by the Paiis Academy of Sciences 



for 1911 322 



London County Council Conference of Teachers. 



By G. F. D 323 



Electric Valves 324 



Education during Adolescence. By Prof. M. E. 



Sadler 32 



University and Educational Intelligence 327 



Societies and Academies 32 



Diary of Societies 329 



