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SATURDAY, NOVEMBER 26. tures.-Researches on dielectric solids : V. Crémieu and Essex Field. CLUB (a! Essex Museum, Stratford), at 6.30.-Delegate's L. Malcles. In the course of his researches on electric Report British Association : F. W. Rudler.-Notes on Supposed Lake convection, Crémieu observed some anomalies of electrical

Settlement at Skitt's Hill, Braintree: F. W. Reader.-Coast Erosion it influence through solid dielectrics. The authors have com

East Anglia : John Spiller. menced a systematic study of these phenomena, and give

MONDAY, NOVEMBER 28. an account in the present paper of the apparatus used, re- SOCIETY OF ARTS, at 8.-Musical Wind Instruments : David J. Blaikley serving the results for a future communication. On the (Cantor Lecture 1.) conductivity of gases from a name : Paul Langevin and

INSTITUTE OF Actuaries, at 5.- Inaugural Address by the President, Eugène Bloch. The coefficient of re-combination of the

Mr. Henry Cockburn. ions from a flame has been measured, and found to be equal

TUESDAY, NOVEMBER 29. to about 0.7. This value is less than one, as the theory ZOOLOGICAL SOCIETY, at 8.30.-Some Observations on the Field Natural requires, and is much greater than in the case of the

History of the Lion : Capt. Richard Crawshay.--On some Nudibranchs Röntgen rays.-On the absorption of hydrogen by rhodium :

from East Africa and Zaozibar. Part VI. : Sir Charles Eliot, K.C.M.G.

The Altai Lynx : R. Lydekker, F.R.S.-On Old Pictures of Giraffes L. Quennessen. Contrary to the statement given in the and Zebras : R Lydekker, F.R 5.-On the Morphology and Classifica text-books, the absorptive power of rhodium for hydrogen tion of the Asellota Group of Crustaceans, with Descriptions of the is nil. Rhodium is not analogous with palladium in this

Genus Stenetrium and its Species: Dr. H. J. Hansen.-On the Lauria

depressa of Camerano: G. A. Boulenger, F.R.S. respect.-The action of boric acid on the alkaline peroxides INSTITUTION OF CIVIL ENGINEERS, at 8.-Discussion : Distribution of and the formation of perborates : George F. Jaubert. By Electrical Energy: J. F. C. Snell. the action of boric acid upon sodium peroxide a perborate

WEDNESDAY, November 30. of sodium is formed, the analysis of which leads to the composition Na,B,09,10H,O. On re-crystallising this a

Society of Arts, at 8.-- The British Canals Problem : Arthur Lee. substance possessing more oxygen, NaBO,,4H,0, is formed,

THURSDAY, DECEMBER 1. and this is very stable at the ordinary temperature, although

Royal Society, at 4.30.—Probable Papers :-The Ascent o Water in decomposed rapidly at 100° C. The latter substance, treated

Trees : Dr. A. J. Ewart.- On the Presence of Tyrosinases in the Skins of with 50 percent. sulphuric acid, gives after filtration some Pigmented Vertebrates. Preliminary Note : Miss F. M. Durban through guncotton a solution of hydrogen peroxide of a

-On Chemical Combination and Toxic Action as Exemplified in Hamostrength of 150 to 200 volumes.--On thioforinic acid : V.

lytic Sera: Prof. R. Muir and C. H. Browning.--Histological Studies on

Cerebral Localisation. Part II. : Dr. A. W. Campbell. Auger. The author has shown in a previous paper that CHEMICAL Society, at 8.- The Nitrites of the Alkali Metals and Metals the substance regarded by Wöhler and Limpricht as thio- of the Alkaline Earths, and their Decomposition by Heat: P. C. Ráy. formic acid is in reality trithioformaldehyde. The method

RÖNTGEN SOCIETY, at 8.15.

LINNEAN SOCIETY, at 8.- Proteid Digestion in Animals and Plants: which was found to give the best yield of sodium thio

Prof. Sidney H. Vines, F.R.S. formate was the interaction of sodium hydrogen sulphide with phenyl formate. The latter substance was incidentally

FRIDAY, DECEMBER 2. obtained in the pure state for the first time, and details of AERONAUTICAL Society, at 8.-The Aéronautical Exhibits at the its preparation are given.-The synthesis of BB-dimethyl

St. Louis Exbibition: the President. Major B. Baden-Powell. -Kites,

Kite-flying and Aëroplanes: W. H. Dines - The Work of the Inter adipic acid : G. Blanc.--On a new sugar from the berries national Aeronautical Commission : Dr. M. H. Hergesell. ---Captive of the mountain ash : Gabriel Bertrand. The sugar is Balloon Photography: Griffith Brewer. isomeric with, but distinct from, sorbite and mannite, and is provisionally named sorbierite. Its physical properties are given, and its composition as a hexahydric alcohol determined by the production of a hexacetate.-The de

CONTENTS.

PAGE velopment of the organic material in seeds during their

Naturdenkmäler. ripening : G. André. On the detection of cotton seed oil

73 in olive oil: E. Milliau. The test proposed is a modifi' Principles of Fuel Combustion. By J. s. s. B.

School Mathematics . cation of the reduction test with silver nitrate.--Anhydro

75

Our Book Shelf :biosis and tropisms : Georges Bohn.—On the growth of

Schneider : “Jlandbuch der Laubholzkunde."-Prof. man and of living beings in general : Charles Henry and Louis Bastien.—The evolution of the weight and organic

Percy Groom

76

Bell: “The Cancer Problem in a Nutshell.”- R, T.: 26 material of the leaf during necrobiosis in white light : L. Beulaygue.-On heterogeneity in the Stichodactyline

" Photography on Tour"

Austin The Story without an End » group: Armand Krempt.-The comparative influence of some organic compounds of phosphorus on the nutrition and

Letters to the Editor :development of animals : A. Desgrez and A. Zaki.-On the

On the Origin of Flagellate Monads and of Fungus. inoculation of cancer : M. Mayet.—On the bleaching of

germs from Minute Masses of Zooglaa.-(Illustrated.)

77 flour by electricity : M. Balland. The treatment of four

--Dr. H. Charlton Bastian, P.R.S.

81 by electrified air has a bleaching action, and produces

The Temperature of Meteorites.-H. E. Wimperis chemical changes corresponding to the effect of age.

Mount Everest : the Story of a Controversy.—Douglas
W. Freshfield

82 Observations of the Leonid Meteors of 1904.-W. H. Milligan.

83 DIARY OF SOCIETIES.

The Discovery of Argon.-Prof. G. H. Darwin, F.R. S. 83
THURSDAY, NOVEMBER 24.
Blue-stained Flints. Dr. F. J. Allen

83

Inheritance of Acquired Characteristics. -D. E. Royal Society, at 4.30.-On the Refractive Indices of the Elements : C. Cuthbertson.-The Flow of Water through Pipes. Experiments on

Hutchins

83 Stream-line Motion and the Measurement of Critical Velocity : Drs. H. T.

Dr. Koenig's Method of Colour Photography 83 Barnes and E. G. Coker.-On Galvanic Cells produced by the Action of The New Whale Fisheries. (Illustrated.) By D. W.T. 84 Light. Preliminary Communication : Dr. M. Wilderman.--Some Physical

Notes

85 Characters of the Sodium Borates, with a New and Rapid Method for the Determination of Melting Points : C. H. Burgess and A. Holt, jun.

Our Astronomical Column -On the Convergence of Infinite Series of Analytic Functions: H. A. Encke's Comet (1904 b)

89 Webb.

Observations of Perseids

89 INSTITUTION OF ELECTRICAL ENGINEERS, at 8.-- Hydrodynamical and

89 Electromagnetic Investigations regarding the Magnetic-Flux Distribu- Heights of Meteors ... tion in Toothed-Core Armatures: Prof. H. S. Hele-Shaw, F.R.S., The Photographic Spectrum of Jupiter

89 Dr. Alfred Hay, and P. H. Powell.

Science and the State. By Sir William Abney,

K.C.B., F.R.S.
FRIDAY, NOVEMBER 25.

90 The Ben Bulben District. (Illustrated.).

91 PHYSICAL SOCIETY, at 5.—The Measurement of Small Differences of

Coast Erosion and Protection Phase : Dr. W. E. Sumpner.- On the Curvature-method of Teaching

92 Geometrical Optics: Dr. C. V. Drysdale. (1) Exhibition of Specimens of The November Meteors of 1904. By W. F. Denning 93 Crystals showing the Phenomenon of Luminous Rings; (2) On a Rapid University and Educational Intelligence

94 Method of Approximate Harmonic Analysis : Prof. Silvanus P.

94 Thompson. -Exhibition of Apparatus by Prof. Dalby, Mr. Darling,

Societies and Academies Dr. Drysdale, and Prof. Thompson. | Diary of Societies.

961

.

76 76

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