144- 



NA TURE 



[June 8, 1905 



Chevalier. — On O'idium lactis and the ripening of cream 

 and cheese : J. Arthaud-Berthet. — On Stearophora 

 radicicola, a fungus of the roots of the vine : L. Mangin 

 and P. Viala. — The pathogenic action of Stearophora 

 radicicola on animals : MM. Charrin and Le Play. — The 

 phenomena of sexuality iM the development of the 

 Actinomyxides : M. Cauilery and F. Mesnil. — The histo- 

 logical phenomena of asexual reproduction in Salmacina 

 and Filograna : A. Malaquin. — Some variations in the 

 coefficient of demineralisation in animals in a state of 

 acid dyscrasia : A. Desgrez and Mile. Bl. Guende. — The 

 experimental reproduction of human cancer : M. Mayet. — 

 On distemper in dogs : H. Carre. — On the geology of the 

 Piedmont zone : Maurice Lugeon and 6 mile Argand. 



DIARY OF SOCIETIES. 



THURSDAY, June 8. 

 Royal Sociftv, at 4.30.— Researches on E.vplosives. Part III. : Sir 

 Andrew Noble, Bart., K.C.B., F.R.S. (r) On the Thermoeleciric Junction 

 as a Means of Determining the Lowest Temperatures ; (2) Studies 

 with the Liquid Hydrogen and Air Calorimeters : Sir James 

 Dewar, F.R.S. —Colours in Metal Glasses, and in Metallic Films and 

 Metallic Solution : J. C. Maxwell Garnett. — On the Application of 

 Statistical Mechanics to the General Dynamics of Matter and Ether. The 

 General Method of Statistical Mechanics ■ J. H. Jeans.— On the Mag- 

 netic Qualities of some Alloys not containing Iron : Prof J. A. Fleming, 

 F.R.S., and R. A Hadfield.— On the Phosphorescent Spectra of SS 

 and Europium: Sir William Crookes, F.R.S.— On the Perturbations of 

 the Bielid Meteors: Dr. A. M. W. Downing, F.RS.— The Asymptotic 

 Expansion of Integral Functions defined by Taylor's Series : Rev. 

 E. W. Barnes— Preliminary Note on Observations made with a Hori- 

 zontal Pendulum in the Antarctic Regions: Prof. J. Milne, F.R.S.— 

 Note Supplementary to a Paper " On the Radio-active Minerals " : Hon. 

 R. J. Strutt, F.R.S —The Morphology of the Ungulate Placenta, par- 

 ticularly the Development of that Organ in the Sheep, and Notes upon 

 the Placenta of the Elephant and Hyrax: R. Assheton.— A Preliminary 

 Communication on the Life History of Trypanosoma balbianii : W. S. 

 Perrin.-On the EITect of Carbon Dio.\ide on Geotropic Curvature of the 

 Roots of Pisum Salivnm : E. Drabble and Miss H. Lake.— The Pharma- 

 cology of Indaconitine and Bikhaconitine : Prof. J. T. Cash, F.R.S., 

 and Prof W. R. Dunstan, F.R.S. — Preliminary Note on the Occurrence 

 of Microsp'jrangia in Organic Connection with the Foliage of Lygino- 

 dendron: R. Kidston, F.R.S.— Chitin in the Carapace of Ptcrygotiis 

 Osiliensis from the Silurian of Oesel : Dr. Otto Rosenheim.— (i) The 

 Synthesis of a Substance allied to Adrenalin ; (2) On the Physiological 

 "irectly allied to Adrenalin : Dr. H. D. Dakin. 



Activity of Substa 

 Royal Institution, at 



ing, F.R.S. 

 Mathematical Socie 



Functions Defined by ; 



-Electio 



Waves: Prof J. A. Flem- 



rv, at 5.30.— On a Class of Many-valued 

 Definite Integral: G. H. Hardy.-On the Ct 



dition of Reducibility of any Group of Linear Substitutions : Prof. W. 

 Burnside. On Criteria for the Finiteness of the Order of a Group of 

 Linear Substitutions : Prof. W. Burnside. 



FRIDAY, ]\JNB 9. 



: Naviga 



1 : Sir Willii 



1 Whit 



tovAi. Astronomical Society, at 5.— The Meteors from Biela's Comet : 

 W. F. Denning.— On the Formula for connecting Diameters of Photo- 

 graphic Images with Stellar Magnitude : H. H. Turner.— (i) The 

 Moon's Observed Latitude, 1847-1901 ; (2) On the Discordant Values of 

 the Principal Elliptic Coefficients in the Moon's Longitude : P. H. Cowell. 

 — Determinations of Stellar Parallax from Photographs taken at the Cam- 

 bridge Observatory. Introductory Paper: A. R, Hinks and H N 

 Russell.— The Most Probable Position of a Point determined from the 

 Intersections of Three Straight Lines : S. A. Saunder.- On the Relative 

 Efficiency of Different Methods of Determining Longitudes on lupiter • 

 A. Stanley Williams. J f ■ 



SATURDAY, June 10. 



(.OYAL Institution, at 3.— Exploration in the Philippines ; A. H. Savage 

 Landor. 



WEDNESDAY, ]vtiz 14. 



.llNERALOGlCAL SociETV, at 8.— The Chemical Composition of Lengen- 

 bachite : Dr. A. Hutchinson.— The Identity of the Anciei ' ' 

 Cyprus with Chrj'sotile : Dr. J. W. Evans.— The Chemical Compo: 

 ' " - ' • ■ G. T. Prior. 



;hemical Society, at 5.30.— Influence of Various Sodium Salts on the 

 Solubility of Sparingly Soluble Acids ; J. C. Philip.— The Dielectric 

 Constants of Phenols and their Ethers Dissolved in Benzene and 

 Mi-Xylene : J. C. Philip and Miss D. Haynes.— Synthesis by Means of 

 the Silent Electric Discharge : J. N. Collie.— The Ultra-violet Absorp- 

 tion Spectra of Benzene and Certain of the Mono-substituted Derivatives : 

 E. C. C. Baly and J. N. Collie.— Association in Mixed Solvents : 

 G. Barger.— The Ultra-violet Absorption Spectra of Derivatives of Benz- 

 ene. Pan II. The Phenols: E. C. C. Baly and Miss E. K. Ewbank. 

 -The Action of Water on Diazo-salts. A Preliminary Note : J. C. Cain 

 and J. M. Norman— Synthesis of Substances Allied to Epinephrine: 

 G. Barger and H. A. D. Jowett.— A Precise Method of Determining the 

 Organic Nitrogen in Potable Waters : J. Campbell Brown.— Synthesis of 



NO. 1858, VOL. 72] 



1 : i-Dimethyl-A3-tetrahydrobenzene ; A. W. Crossley and Miss N. 

 Renouf.— Bromine in Solutions of Potassium Bromide : F. P. Worley. 



THURSDAY, June 15. 



LiNNEAN Society, at 8.— RIscayan Plankton. Part VI. Colloid Radio- 

 laria: Dr. R. N. Wolfenden.—Biscayan Plankton. Part VII. Mollusca : 

 Dr. P. Pelsener.— (i) Longitudinal Nerves and Transverse Veins in 

 Bamboos'; '(2) Some Indian Undershrubs : Sir D. Brandis, K.C.I.E., 

 F.R.S.— Notes on a Skeleton of the Musk-duck, Bizuria lobata : 

 W. P. VycrBil.— Exhibitions : Arum tiiaculatum, in Relation to Insects 

 (with lantern slides) : Rev. J. Gerard, S.J. 



FRIDAY. June 16. 

 Physical Society, at 8. — On the Ratio between the Mean Spherical and 

 Mean Horizontal Candle-power of Incandescent Lamps : Prof J. A. Flem- 

 ing, F.R.S.— The Electrical Conductivity of Flames : Dr. H. A. Wilson.— 

 Contact with Dielectrics: R. Appleyard.— 1 he Pendulum Accelerometer, 

 an Instrument for the Direct Measurement and Recording of Accelera- 

 tion : F. Lanchester.— A New Form of Pyknometer : N. V. Stanford.— 

 —Exhibition of a Refractometer : R. .Appleyard. 



Malacological Society, at 8. — Lecture on the Prosobranchiate Mol- 

 lusca; J. E. S. Moore.— On the Extension of the Genus Macrochlamys 

 to the Island of Mauritius: Lieut -Col. H. H. Godwin-Austen.— 

 Mollusca of the Porcupine Expeditions, Supplemental Notes, Part II. : 

 E. R. 3ykes.-On a Small Collection of Mollusca from Tierra del 

 FuegoTE. A. Smith.— On two Miocene Gastropods from Roumania ; 

 R. Bullen Newton.— Revision of the New Zealand Patellida;, with 

 Descriptions of a New Species and Subspecies : Henry Suter. — The 

 Conchological Writings of Captain Thomas Brown : C. Davies Sherborn. 



CONTENTS. PAGE 



A Manual of Quaternions. By C. G. K 121 



Some Medical Works. By R. T. H 122 



The Pioneers ot Geological Thought. By 



G. A. J. C 123 



Mine Air. By B. H. B 124 



An Indian Garden. By Dr. Otto Stapf 125 



Our Book Shelf :— 



Beavan : "Animals I Have Known." — R. L. . . . 125 

 Sladen : " (^ueen-Rearing in England, and Notes on a 

 Scent- producing Organ in the Abdomen of the 

 ■Worker-Bee, the Honey-Bees of India, and Enemies 



of the Bee in South Africa " 126 



Carniichael : " Physical Experiments" 126 



Nettell : "An Introduction to Elementary Statics 



(Treated Graphically)" 126 



Campbell : " The Elements of the Differential and 



Integral Calculus" 126 



Wundt : " Viilkerpsychologie " 126 



Letters to the Editor : — 



History of a White Rhinoceros Skull. — (Illustrated.) 



Prof. Henry Fairfield Osborn 127 



Fictitious Problems in Mathematics. — Dr. E. J. 



Routh, F.R.S 127 



Why Japan is 'Victorious 128 



Solar Changes and Weather. By Dr. William J. S. 



Lockyer 129 



The Survey of India. By T. H. H . . 129 



Notes. {Illustrated.) ijo 



Our Astronomical Column : — 



Photographic Reality of the Martian Canals .... 135 



Discovery of Saturn's Tenth Satellite 135 



Jupiter's Sixth and Seventh Satellites 135 



Stars With Spectra of the Orion Type 135 



The Motion of the Tail of Borrelly's Comet (1903 iv) . 135 



Double Star Observations 135 



The Royal Observatory, Greenwich 135 



The Optical Convention ..... 137 



Agricultural Notes j-ig 



Reports on Sea Fisheries. By Frank Balfour 



Browne j-,g 



University and Educational Intelligence 139 



Societies and Academies .... \Ay 



Diary of Societies 144 



