NATURE 



[May 7, 1896 



in the air, by MM. A. Cerardin and M. Nicloux. The varia- 

 tion in vokime of air after treatment with a glowing platinum 

 wire is suggested as giving a measure nf bad odours in air. — 

 Statistical researches on the cultivated oyster on the coasts of 

 France, by M. G. Roche. — On the metamorphic gypsums of 

 Algeria, by M. L. Gentil —The allotropic state of the ele- 

 mentary gases, by M. C. V. Zen/.er. — A new general method 

 for calculating the roots of algebraical equations which contain 

 four terms and more, by M. Wisthalcr. 



DIARY OF SOCIETIES. 



London. 



THURSDA y, May 7. 



Royal Society, at 4.30.— On the Liquation of certain Alloys of Gold : E. 

 Matttley.— On the Occurrence of the Element Gallium in the Clay-Iron- 

 stone of the Cleveland District of Yorkshire. (Preliminary Notice) : Prof. 

 Hartley, F.R.S., and H. Ramage. — The Electromotive Properties of 

 Malapterurus electricus : Prof. Gotch, F.R.S , and G. J. Burch.— The 

 Occurrence of Nutritive Fat in the Human Placenta (Preliminary Com- 

 munication) : Dr. T. \V. Eden. 



Royal Institution, at 3.— The Art of Working Metals in Japan : W. 

 Gowland. 



LiNNEAN Society, at 8.— On the Tooth-Genesis of the Canida; : Dr. H. 

 Marett Tims.— Exhibitions : Lantern-.SIides illuslr,ltive of the Habits of 

 the Tiger' Beetle, Cicindela campestris : F. Enock. — Preparations of the 

 Hermaphrodite Glands of Apus : H. M. Bernard. 



Chemical Society, atS.— Ballot for Election of Fellows.— Morin, Part I. : 

 Dr. H. Bablich and A. G, Perkin. — I.uteolin, P.irt II. : A. G. Perkin. 



18— The "Ja 

 to Engineering : 



Prof 



nd Lun 



,: R. Appleyard.-On the True 

 Frith and Rodgers. 



On the Rate of Diffusion of 



Physical Experiment 

 Kennedy, F.R.S. 



Iron and Steel Insti 



Gresha.m College (Ba 

 Ledger. 



FRIDA r, Ma- 

 Royal Institution, at o.— Electric Shad 

 Silvanus P. Thompson, F.R.S. 



Royal Astronomical Society, at 8, — Note on a Determination of Pre- 

 cession and Drift, based on Auwer's Proper Motions : R. H. M. Bosan- 

 ■quet. — Royal Observatory, Greenwich : Diameters of Jupiter measured 

 with the Filar and Double-Image Micrometers. knii probably : Photo- 

 graphs of the Spectra of the Helium Class of Stars : F. McClean.— Royal 

 Observatory, Greenwich : Observations of Comets a 1896 (Perrine-Lamp) 

 and of Comet /' i8q6 (Swift). 

 ■ Physical Society, at 5.— On Dieh 

 Resistance of the Electric Arc ; M. 



.Iron and Steel Institute, at 10. 



Carbon in Iron : Prof. W. C. Roberts-Austen, C B , F R.S 

 Alloys with Iron Carbides : J. S. de Benneville.— On Mond Gas as applied 

 to Steel-making : John H. Darby.— On Hot Blast Stoves : B. J. Hall.— 

 On the Hardening of Steel : H. M. Howe.— On the Introduction of 

 Standard Methods of .Analysis : Baron Hanns Jiiptner von JonstortT.— On 

 the Production of Metallic Bars of any Section by Extrusion ; Perry F. 

 Nursey.— On Mr. Howe's Researches on the Hardening of Steel : F. 

 (Osmond.- On the Treatment of Magnetic Iron Sand ; E. Metcalf Smith. 

 —On the Making of the Middle Lias Ironstone of the Midlands : E. A. 

 Watford. 



Affiliated Photographic Societies, at 8.— Process Work Appl 

 W. T. Wilkinson. 



Gresham College (Basinghall Street), at 6.— The Planet Saturn ; Rev 

 Ledger. 



Malacological Society, at 8. 



SATURDAY, May 9. 



KoYAL Botanic Society, at 3.45. 



Oeologists' Association (Liverpool Street Station), at 2.3. — Excursio 

 <;hingford Museum and Epping Forest. Director ; T. V. Holmes. 

 MONDAY, M.K\ II. 



.Society of Arts, at 8. — .\pplied Electio-chemistry : James Swinburn 

 ."Royal Geographical Society^ at 8.30. — Through the Central Sudai 



Sokoto : William Walla 



;.— Hausaland : Rev. Chas. H. Robinson. 

 TUESDA Y, M/ 

 3.— Ripples in Ai 



and 



1 Wale 



Boys 



■ Royal Institution, 



F.R.S. 



: Society of Arts, at 8. — The Future of the Fine Art of Wood Engraving : 

 W. Biscombe Gardner. 



Anthropological Institute, at 8.30. — Recent Observations on the 

 .\ndamanese by Mr. M. V. Portman : Dr. J. G. Garson. —Photographic 

 Apparatus for Travellers : Dr. J. G. Garson.— The Cranial Characreristics 

 of the South Saxons compared with those of some of the other Races of 

 Great Britain: R. J. Horton-Smilh.— An Unpublished Batak Creation 

 Legend ; Heer C. M. Pleyte. 



■Institution of Civil Engineers, at 8. — Papers to be further discussed : 

 .American and English Methods of Manufacturing Steel Plates : Jeremiah 

 Head.— Four American Rolling-Mills : S.amuel T. Wellman. 



Royal Photographic Gociety, at 8. — Dry Plates for Rcintgen Ray 

 ]*hotography ; H. Snowden Ward. — Notes on the Pyro-developed Image : 

 Alfred Walkins.— A .\cw Stripping Film for Negative Work : J. B. B. 

 Wellington. 



Royal Victoria Hai.i., at 8.30. — The New Photography : A. W. Porter. 

 IVEDNESDAV, May 13. 



Society of Arts, at 8. — Tunnelling by Compressed Air : E. W. Moir. 



Geological Society, at 8. — An Account of a Head or Gateway driven into 

 the Eastern Boundary-Fault of the South Staffordshire Coalfield : William 



Farnworth. — Dundry Hill : its Upper Portion, or the Beds marked as In- 

 ferior Oolite (G 5) in the Maps of the Geological Survey : S. S. Buckman 

 and E. Wilson.— On the Geogr.aphical Evolution of Jam.aica: Dr. J. W 

 Spencer. 



THURSDAY, May 14. 



Royal Institution, at 3. — The Art of Working Metals in Japan : W. 

 Gowland. 



Society of Arts, at 4.30.— Tea Planting in D.arjeeling : G. W. Christison 



Mathematical Society, at 8.— On the Application of the Principal 

 Function to the Solution of Delaunay's Canonical System of Equations : 

 Prof E. W. Brown. 



Institution ok Electrical Engineers, at 8. —The Influence of the Shapt- 

 of the Applied Potential Difference Wave on the Iron Losses in Trans- 

 formers : Stanley Beeton, C. Perry Taylor, and I. M. Barr. 



FRIDA Y, May 15. 

 Royal Institution, at 9. — Cable-laying on the Amazon River : Alexander 



Epidemiological Society, at 8. 

 Quekett Microscopical Club, at 8. 



BOOKS, PAMPHLETS, and SERIALS RECEIVED. 



Books.— Biological Experimentation: Sir B. W. Richardson (Bell).- 

 Elementary Practical Physics: W. Watson (Longmans).— Quain's Ele- 

 ments of Anatomy, Appendix, loth edition (Longmans). — The Student - 

 Lyell : edited by Prof. Judd (Murray).— Riverside Letters; G. D. Leslie 

 (Macmillan). — A History of the Warfare of Science with Theology in 

 Christendom : Dr. A. D. White, 2 Vols. (Macmillan). 



Pa.mphlets. — Slavery and Servitude in the Colony of North Carolina : 

 Dr. J. S. Bassett (Baltimore).— The Crambida; of North America : Dr. C. 

 H. Fernald (Massachusetts). — Report of the Marlborough College Natural 

 History Society, 1S9S (Marlborough). 



Serials,— Memorie della Sociela Geografica Italiana, Vol. v. Part 2 

 (Roma).— Humanitarian, May (Hutchinson).— Bulletin de la Soci^e Im- 

 perial des Naturalistes de Moscou 1895, No. 4 (Moscou). — Fortnightly 

 Review, M.ay (Chapman). — History of Mankind : F. Ratzel, translated. 

 Part 8 (Macmill.an).— National Review, May (Arnold).— Himmel und Erde, 

 April (Berlin).— Journal of the Scottish Meteorological Society, third series, 

 Nos. xi. and xii. (Blackwood).— Century Magazine, May (Macmillan).— 

 Geographical Journal, May (Stanford). — Contemporary Review,_ May 

 (Isbister). — Proceedings of the Physical Society, May (Taylor) — Scribner's 

 Magazine, May (Low). — Zeitschrift fiir Physikalische Chemie, xix. Band, 

 4 Heft (Leipzig). — Archives of Clinical Skiagraphy : S. Rowland, Part 1 

 (Rebm.an).— Westminster Review, May (Warne). 



CONTENTS. PA 



Scientific Worthies. XXIX.— Sir Joseph Lister. 



By Prof. H. Tillmanns 



An Expedition to Ruwenzori 



Analytical Chemistry 



Our Book Shelf:— 



Linck : " firundrissder Krystallograi)hie fiir Studirende 

 und 7um Selbstunterricht." — G. T. P 



Wilson : " Cyanide Processes." — Dr. T. K. Rose . . 



Ransome : " The Treatment of Phthisis " 



Jamiesnn : " A Text-hook of Applied Mechanics." — G. 

 Letters to the Editor : — 



A Biological Application of Rbntgen Photography. 

 (///iis/ra/ed.) — Alexander Meek 



Barisal Guns.— Sir Edw. Fry, F.R.S 



The New Education Bill and Libraries, Mu.seums, and 

 Art Galleries. — ^John J. Ogle 



Magical Growth of Plants.— W. R. M. Sample . . 



Rooks at Nesting Time. ^F. E. Baines 



An Auroral Display on May 2.— A. E. M 



Daylight Meteor, April 12.— C. E. Stromeyer . 



The Royal Society Selected Candidates 



On Lippmann's Colour Photography with Obliquely 



Incident Light. By Lord Kelvin, F.R.S. . . . 



The Observatory at Mont Mounter. (IZ/Kslraled.) . . 



Dr. Adalbert Krtiger 



Notes 



Our Astronomical Column: — 



The Planet Mercury 



Comet .Swift 1896 



New Divisions of Saturn's Rings 



Determination of the (General Brightness of the Corona 

 Observations on Isolated Nerve. (Illustrated.) By 



S. C. M. S 



The Institution of Mechanical Engineers ... 



University and Educational Intelligence 



Scientific Serials 



Societies and Academies ... 



Diary of Societies 



Books, Pamphlets, and Serials Received 



NO. 1384, VOL. 54] 



