144 
NATOEE. 
[ DECEMBER 10, 1903 
being thus converted into iodate, and after the addition of 
copper sulphate the bromine is distilled off in a current of 
air. On acidifying with sulphuric acid the chlorine can 
then be distilled off. Test analyses are given.—The micro- 
scopic study of the prehistoric bronzes of the Charente, by 
M. G. Chesneau.—On the eggs of Bombyx Mori, by M. 
Jules Gal.—On the egg production, fecundity, and sexuality 
in carnivorous fowls, by M. Frédéric Houssay.—On the 
infectious exophthalmia of certain fresh-water fishes, by M. J. 
Audigé.—Contribution to the cytological study of the 
Ascomycetes, by M. Guilliermond.—On the geological 
synthesis of the eastern Alps, by M. Pierre Termier.—On 
a remarkable case of spontaneous crystallisation of gypsum, 
by M. Stanislas Meunier.—Luminous sensation as a func- 
tion of the time for coloured light: technique and results, 
by MM. André Broca and D. Sulzer.—On the prediction 
of the yield of the sources of the Vanne, by M. Edmond 
Maillet. 
DIARY OF SOCIETIES. 
THURSDAY, DECEMBER 10. 
Roya Society, at 4.30.—On the Integrals of the Squares of Ellipsoidal 
Surface Harmonic Functions: Prof. G. H. Darwin, F.R.S.—Preliminary 
Note on the Resistance to Heat of B. Anthracis: A. Mallock, F.R.S., 
and Lieut.-Col. A. M. Davis. 
MATHEMATICAL SOCIETY, at 5.30.—Proof of a Formula in Elliptic Func- 
tions: Mr. R. J. Dallas.—On Many-valued Newtonian Potentials: Prof. 
A. C. Dixon.—A Generalisation of Neumann’s Expansion of an Arbitrary 
Function in a Series of Bessel’s Functions: Rey. I. H. Jackson.—Modes 
of Convergence of Infinite Series of Functions of a Real Variable: Dr. 
E. W. Hobson.—On Normal and Antinormal Piling: Prof. J. D. 
Everett.—On the Distribution of the Points of Uniform Convergence of 
a Series of Functions: Mr. W. H. Young. 
InsTi®uTION OF ELECTRICAL ENGINEERS, at 8.—Presentation to repre- | 
sentatives of the Borough of Colchester of a historical picture represent- 
ing Dr. Gilbert in the act of showing his electrical experiments to Queen | 
Elizabeth and her Court.—The Slow Registration of Rapid Phenomena by | 
Strobographic Methods: the ‘“‘Ondographe”’ and ‘‘ Puissancegraphe” 
(Wave Recorder and Power Recorder): M. E. Hospitalier. —The Magnetic 
Dispersion in Induction Motors, and its Influence on the Design of these 
Machines: Dr. Hans Behn-Eschenburg. 
Society OF ARTS, at 4.30,—India’s Place in an Imperial Federation: 
J. M. Maclean. 
FRIDAY, DECEMBER 11. 
PuysicaL Society, at 8.—A Method of Mechanically Reinforcing Sounds: 
Rey. T. C. Porter.—The Simmance-Abady ‘‘ Flicker’ Photometer : 
Messrs. Simmance and Abady.—Exhibition of a Conductometer: R. 
Appleyard.—A Model to illustrate various Properties of Wave-motion : 
Prof. L. R. Wilberforce. 
Roya ASTRONOMICAL SOCIETY, at 5.—The Rotation Period of the Planet 
Saturn: W. F. Denning.—The Shower of Leonids in 1903: G. W. 
Hough.—Probable Papers :—Two Drawings of the Mare Serenitatis by 
John Russell, R.A., affording some hitherto Unpublished Evidence as to 
the appearance of Linné in the Year 1788: A. A. Rambaut.—On 
Graphical Methods of finding the Time of Sunset at any Place: H. H. 
Turner.—On Oscillating Satellites; Second Paper: H. C. Plummer.— 
An Examination of the Relative Star Density in different Parts of the 
Plates forming the Harvard Photographic Star Map: J. C. W. Herschel. 
MALACOLOGICAL SociETy, at 8.—On Pleuvonautilus pulcher, sp. nov. : 
G. C. Crick.—Description of a New Species of Cassis: E. A. Smith.— 
Qn the Mollusca procured during the Porcupine Expedition 1869-1870, | 
Supplemental Notes, Part I.: E. R. Sykes.—Notes on the Nervous 
System of Pelecypoda: R. H. Burne. 
MONDAY, DECEMBER 14. 
Rovat GEOGRAPHICAL SOCIETY, at 8.30.—The Patagonian Andes: Col. 
Sir T. H. Holdich, K.C.M.G., K.C.I.E 
VicroriA INSTITUTE, at 4.30.—The Genesis of Nature: Rev G. F. 
Whidborne. 
OCIETY OF ARTS, at 8.—The Mining of Non-Metallic Elements: Bennett 
H. Brough. (Cantor Lectures. IV.) 
TUESDAY, DECEMBER 15. 
INSTITUTION OF CivIL ENGINEERS, at 8.—Deposits in Pipes and other 
Channels conveying Potable Water: Prof. J. Campbell Brown.—The 
Purification of Water Highly Charged with Vegetable Matter; with 
Special Reference to the Effect of Aération: Osbert Chadwick, C.M.G., 
and Bertram Blount. 
Society OF Arts, at 8.—The British Silk Industry: Frank Warner. 
Rovat STATISTICAL Sociery, at 5.—The Metrical System of Weights and 
Measures : Alex. Siemens. 
WEDNESDAY, DECEMBER 16. 
CHEMICAL SOCIETY, at 5.30.—On the Relative Strengths of the Fixed Bases 
and of Ammonia as Measured by their Action on Cotarnine: J. J. 
Dobbie, A. Lauder and C. K. Tinkler.—New Halogen Derivatives of 
Diphenyl and Dihydroxy-diphenyl: J. C. Cain.—(1) Constitution of 
Nitric Peroxide; (2) Sabatier's Nitroso-disulphonic Acid: E. Divers.— 
Notes on some Natural Colouring Matters: A. G. Perkin and E. Phipps. 
—The Es timation of Methyl! Alcohol in Presence of Ethyl Alcohol: T. E. 
Thorpe and J. Holmes. 
NO. 1780, VOL. 69| 
Royat MeETEoROLOGICAL SociETy, at 7.30.—Some Account of the 
Meteorological Work of the late James Glaisher, F.R.S.: William 
Marriott.—On certain Relationships between the Diurnal Curves of 
Barometric Pressure and Vapour Tension at Kimberley, South Africa: 
J. R. Sutton. 
Royat Microscosicat Society, at 8.—On the Structure and Affinities of 
the Genus Porosphera : Dr. George J. Hinde, F.R.S.—Exhibition Slides 
illustrating the Development of an Ascidian: F. W. Watson Baker, 
Gro.ocicat Socrety, at 8.—The Igneous Rocks Associated with the 
Carboniferous Limestone of the Bristol District : Prof. C. Lloyd Morgan, 
F.R.S., and Prof. S. H. Reynolds.—The Rhetic Beds of England: A. 
Rendle Short. 
Society oF Arts, at 8.—The Science of Taxation and Business: Sir 
William H. Preece, K.C.B.. F.R.S. 
THURSDAY, DECEMBER 17. 
LINNEAN Society, at 8.—On the Docoglossa; a Study in Evolution 
H. J. Fleure. 
INSTITUTION OF ELECTRICAL ENGINEERS, at &. 
FRIDAY, DECEMBER 18. 
InsTITUTION OF MECHANICAL ENGINEERS, at 8.—An Inquiry into the 
Working of various Water-Softeners : C. E, Stromeyer and W. B. Baron. 
InsTITUTION OF CivIL ENGINEERS, at 8.—The Action of the Sea upen 
the Foreshore: C. B. Case.—The Causes of the Loss of Beaches: F. W 
Cable. 
CONTENTS. PAGE 
Buddhismpinwindia = 2) 2 eee eee 121 
Acetylene Sr rer) 73 cas ee 122 
The Tsetse Flies. By R. T. H.. Ba Bc 123 
Metallurgy of Steel. By Prof. J. O. Arnold. 124 
Our Book Shelf :— 
Abbott : ‘* Macedonian Folklore” 125 
Wagstaff and Bloomer: ‘‘ Practical Physics for 
Schools ” Pe oe arent oo 8 ES 
Duthie : ‘‘ Flora of the Upper Gangetic Plain and of 
Adjacent Siwalik and Subhimalayan Tracts ” 125 
Martin: ‘‘ A Laboratory Guide to Qualitative Analysis 
with the) Blowpipe.”’—J., Bi.Ci = 20) 3 ene 2o 
Clough and Dunstan: ‘‘ Elementary Experimental 
Sciences”) 5 =... teg oe ye ce eee 
A. L. H. A.: ‘‘ Notes from a Lincolnshire Garden” . 126 
Letters to the Editor :— 
Heating Effect of the Radium Emanation.—Profs, E, 
Rutherford, F.R.S., and H. T. Barnes. . . 126 
The Pearl-Oyster Parasite in Ceylon.—Prof. W. A. 
Herdman} FAR:S... 7 2°. ep een nO 
The Late Leonid Meteor Shower.—W. H. Milligan ; 
William E. Rolston ....... 127 
Weather Changes and the Appearance of Scum on 
Ponds:—Prof, Fred. J. Hilligy) 2). =: eee 
Some Scientific Centres. VI. The Cavendish 
Laboratory. (J//ustvated.) 128 
Great Benin. (l//ustrated.) 132 
The Survey Formation-Monographs 133 
Notes Peel Tato 6 Nh coed 133 
| Our Astronomical Column ;— 
Observations of Solar Phenomena . 137 
The Spectrum of Lightning Par 137 
The Line Spectra of the Alkaline Metals .... . 137 
Patagonian ‘‘ Diprotodont” Mammals, By R.L.. 137 
Geological Notes, (///ustvated.) 138 
Biological Treatment of Sewage ......... 139 
The Orientation of the Ancient Churches of Ireland. 
By Profijios be OReilly, 2) 20s eyeee- an 
University and Educational Intelligence ..... 140 
Societies andvAcademies © 2) 0 0). neue) sien ema 
DiaryrofuSocietiest 7...) scien eal mnie) en eee 
144 
