DIARY OF SOCIETIES. LONDON. THURSDAY, NOVEMBER 10. MATHEMATICAL SOCIETY, at 8.-Presidential Address.-Some Properties of Homogeneous Isobaric Functions: E. B. Elliott, F.R.S.-On Certain General Limitations affecting Hyper-magic Squares: S. Roberts, F.R.S.A Group of In-triangles of a given Triangle: R. Tucker.-Note on Secondary Tucker Circles: J. Griffiths.-Note on the Equation yr(-1): Prof. Burnside. NSTITUTION OF ELECTRICAL ENGINEERS, at 8.-The Problems of Commercial Electrolysis: James Swinburne. NSTITUTION OF CIVIL ENGINEERS.-Students' Visits to Tottenham and Forest Gate Railway. (Train from Liverpool Street at 9.58 a. m.) FRIDAY, NOVEMBER 11. PHYSICAL SOCIETY, at 5.- Continued Discussion of the Papers by Mr. Williams and Mr. Sutherland, Dimensions of Physical Quantities, and Molecular Forces. SUNDAY, NOVEMBER 13. SUNDAY LECTURE SOCIETY, at 4-Colour Blindness (with Lantern Illustrations); R. Brudenell Carter. MONDAY, NOVEMBER 14. LONDON INSTITUTION, at 5.-Auriga (illustrated): Prof. Sir Robert Ball, F.R.S. TUESDAY, NOVEMBER 15. ZOOLOGICAL SOCIETY, at 8.30.-On some Cases of Variation in Secondary Sexual Characters Statistically Examined: W. Bateson and H. H. Brindley.-On Testudo grandidieri, a New Fossil Giant Tortoise from a Cave in South-West Madagascar: G. A. Boulenger.-Description of a New Monkey of the Genus Semnopithecus from Northern Borneo: O.. Thomas. ROYAL STATISTICAL SOCIETY, at 7.45.-Dock Labour: Charles Booth. INSTITUTION OF CIVIL ENGINEERS, at 8.- Halifax Graving-Dock, Nova Scotia: Hon. R. C. Parsons.-Cockatoo Island Graving-Dock, New South Wales: E. W. Young.-The Alexandra Graving-Dock, Belfast: W. Redfern Kelly.-Construction of a Concrete Graving-Dock at Newport, Monmouthshire: Robert Pickwell. WEDNESDAY, NOVEMBER 16. ROYAL METEOROLOGICAL SOCIETY, at 7.-Thunderstorm, Cloudburst, and Flood at Langtoft, East Yorkshire, July 3, 1892: John Lovel.-On the Measurement of the Maximum Wind Pressure, and Description of a New Instrument for Indicating and Recording the Maximum: W. H. Dines. ROYAL MICROSCOPICAL SOCIETY, at 8.-Foraminifera of the Gault of Folkestone: F. Chapman.-Fungoid Growths on Diatoms: C. Haughton Gill.-Notops ruber, a New Rotifer: John Hood. THURSDAY, NOVEMBER 17. ROVAL SOCIETY, at 4.30.-The following papers will probably be read :On the Character and Behaviour of the Wandering (Migrating) Cells of the Frog, especially in Relation to Micro-organisms: Dr. Kanthack and W. B. Hardy.-On the Colour of the Leaves of Plants and their Autumnal Changes: Dr. Hassall.-Stability and Instability of Viscous Liquids: A. B. Basset, F.R.S.-Observations on the Earthquake Shocks which occurred in the British Isles and France during the Month of August, 1892: Prof. Hull, F.R.S. LINNEAN SOCIETY, at 8.-A Theoretical Origin of Endogens through an Aquatic Habit: Rev. Prof. Henslow.-On the Buprestide of Japan and their Coloration : G. Lewis. CHEMICAL SOCIETY, at 8-Fluo-sulphonic Acid T. E. Thorpe, F.R.S., and William Kirman.-The Interaction of Iodine and Potassium Chlorate: T. E. Thorpe, F. R.S., and George H. Perry.-The Magnetic Rotation of Sulphuric and Nitric Acids and their Solutions: also of Solutions of Sodium Sulphate and Lithium Nitrate: W. H. Perkin, F.R.S.Note on the Refractive Indices and Magnetic Rotation of Sulphuric Acid Solutions: S. U. Pickering, F.R.S.-Hydrates of Alkylamines: S. U. Pickering, F.R.S-On the Atomic Weight of Boron: W. Ramsay, F.R.S., and Miss Emily Aston.-And other papers. ON SALE BY MACMILLAN & BOWES, CAMBRIDGE. 19 EDINBURGH PHILOSOPHICAL JOURNAL, edited by BREWSTER and JAMESON. 14 Vols. 1819-26. The Edinburgh New Philosophical Journal, edited by JAMESON. 57 Vols., 1826-54. New Series, edited by ANDERSON, JARDINE. and BALFOUR. Vols. 1855 64 The Complete Work, 90 Vols.. Half-calf. £18 18s. CDINBURGH JOURNAL OF SCIENCE, conducted by BREWSTER. Both Series, forming the Complete Work. 16 Vols. 1824 32. Half-morocco. 64 45. NNALS OF ELECTRICITY, MAGNETISM, AND CHEMISTRY. Conducted by W. STURGEON. 10 Vols., 1837-43Half-calf. £335. ONTHLY NOTICES OF THE ASTRONOMICAL SOCIETY OF LONDON. Vols. 1 to 42 (1827-82); V ls. 1 to 33 Bound into 11 Vols., Cloth, the rest in Parts as Published, with Index to the first 29 Vols. £25. AYLOR'S SCIENTIFIC MEMOIRS, 5 Vols. Halfcalf, 1836 52, and the New Series, 8 Parts. A Complete Set of this Important Work. £5 55. OYAL SOCIETY OF EDINBURGH. Proceedings Vols. 5 to 16 (1862-89), 7 Vols., Cloth, remainder in Parts. £7 10s. Three Volumes have Stamp on Titles. WANTED TO PURCHASE. PHILOSOPHICAL MAGAZINE, 1798-1826, or Vols. 39-50, 53-68. EDWARDS' BOTANICAL REGISTER, Vols. XI., XII., XIII., XXII., XXIII., perfect or not. CURTIS, BOTANICAL MAGAZINE, Vols. 56, 65-73, 75, and following. QUARTERLY JOURNAL OF MICROSCOPICAL SCIENCE, New Series, 1859. and following MONTHLY NOTICES ROYAL ASTRONOMICAL SOCIETY, Vols. 3. 4. 5. perfect or not. PHYTOLOGIST, 1854, and INDEX, and New Series Nos. 50 to end. WILLIAM WESLEY & SON, 28 ESSEX STREET, STRAND, LONDON. Instrument Company, Cambridge. Address all communications "Instrument Company, Cambridge." Price List of Scientific Instruments, sent post free. Illustrated Descriptive List sent on receipt of is. 6d. The Cambridge Scientific Instrument Company, St. Tibb's Row, Cambridge. SCIENCE INSTRUMENTS. An Illustrated, Priced, and Descriptive Catalogue of the Instru ments of Science which are used in teaching and demonstrating every branch of Physical Science, as well as of the Instruments which are used in Original Research and in the applications of Science to Technical Industries and Pursuits. N THE ORIGIN OF ELEMENTARY SUBSTANCES. AND ON SOME NEW RELATIONS OF THEIR ATOMIC WEIGHTS. By HENRY WILDE, F.R.S. In English-French and in English-German. Quarto, Paper Covers, 4s. London: KEGAN PAUL, TRENCH, TRÜBNER & CO., LTD., Charing Cross Road. Messrs. MACMILLAN and CO. beg to announce that Mr. MARION CRAWFORDS New Novel, DON ORSINO, is now ready at all Bookstalls and Libraries, in Thre Vols., crown 8vo, cloth, 318. 6d. MACMILLAN & CO., LONDON. MESSRS. MACMILLAN AND CO.'S NEW BOOKS. NEW VOLUME OF MACMILLAN'S THREE-AND-SIXPENNY SERIES. CHRISTMAS BOOKS. By CHARLES DICKENS. With Sixty-five Illustra tions. Crown 8vo, cloth, 3s. 6d. NEW BOOK BY THE AUTHOR OF "FORTY YEARS IN A MOORLAND PARISH." SCENES IN FAIRYLAND; or, Miss Mary's Visits to the Court of Fairy Realm By the Rev. J. C. ATKINSON, D.C.L., Canon of York, and Vicar of Danby-in Cleveland, Author of "Jack the Last the Giant Killers," &c. With about Forty Illustrations by C. E. BROCK. Crown 8vo, 4s. 6d. UNIFORM WITH "CRANFORD" AND THE "VICAR OF WAKEFIELD." Reprinted from the DAYS WITH SIR ROGER DE COVERLEY. HORE SABBATICÆ. Reprint of Articles contributed to the Saturday Revie by SIR JAMES FITZJAMES STEPHEN, Bart., K. C.S.I. Third Series. Globe 8vo, cloth, 5s. The First and Second Series still on Sale. BY DR. S. H. KELLOGG. The L. P. Stone THE GENESIS Works in any Weather. Best made, Studded Plates NEW POLARIZING PRISM. CHEAP SCHOOL APPARATUS HARVEY & PEAK, OPTIMUS" MAGIC LANTERNS "OPTIMUS" ENLARGING APPARATUS. Adapted for use with limelight. For dissolving, two lanterns are necessary Patent Quick-Acting Rack Adjustment. THIS Apparatus comprises superior Mahogany Body Lantern and La Bellows Camera. adjusted by Rack and Pinion. The Lantern fitted with powerful Refulgent Lamp, with three wicks, giving bri illumination. Compound Condensers. 5in., with superior portrait lens If with Russian Iron inst of Mahogany body. sin., no lens Condenser. 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NALDER BROS. & CO., 16 RED LION STREET, CLERKENWELL, LONDON, E.C. OUR NEW CATALOGUE OF ELECTRICAL TESTING AND SCIENTIFIC INSTRUMENTS IS NOW READY. Forwarded on Application. www NALDER BROS. & Co. (WHITESIDE-COOK'S PATENT). With this Aneroid no calculation or technical knowledge is required. It meets a long-recognized want. Every one is aware that the altitude affects the readings of the Barometer, but many people do not know exactly what correction to make. ILLUSTRATED DESCRIPTION POST FREE. Made only by NEGRETTI & ZAMBRA, SCIENTIFIC INSTRUMENT MAKERS to THE QUEEN, 38 HOLBORN VIADUCT. BRANCHES: 45 CORNHILL; 122 REGENT ST., LONDON. NEGRETTI & ZAMBRA'S "Illustrated Catalogue," 600 Pages, 1200 Engravings, Price 5s. 6d. Telephone No. 6583. |