Printed by RICHARD CLAY AND SONS, LIMITED, at 7 and 8 Bread Street Hill, Queen Victoria Street, in the City of London, and Publishe MACMILLAN AND Co., at 29 Bedford Street, London, W.C., and 112 Fourth Avenue, New York.-THURSDAY, March 10, 1892. WATCH SIZE. Amongst many unsolicited Testimonials the following has been received by the maker: EDINBURGH, May 31, 1889. DEAR SIR.-I have just returned from a six weeks' stay at the Ben Nevis Observatory,and while there had an opportunity of testing the admirable qualities of your new "Watkin " Aneroid. The result has been most satisfactory, the [All Rights are Reserved. OUR EYES. Just Published. Thirteenth Edition. Nineteenth Thousand, With New Chapters on the Alleviation and Cure of extreme error noted being OUR EYES, and HOW to PRESERVE only about 10 of an inch. During my stay at the Ob. servatory the Aneroid was frequently tested by taking it down 2000 feet and then comparing it with the standard on my return. The results obtained speak volumes for the high-class workmanship and great accuracy you have attained in the manufacture of this instrument. R. C. MOSSMAN, F.R.M.S., Observer, Scott. Met. Soc. To be obtained of all Opticians and Wholesale Houses. J. J. HICKS, 8, 9, & 10 HATTON GARDEN, LONDON. THEM FROM INFANCY TO OLD AGE. WITH SPECIAL INFORMATION ABOUT SPECTACLES. By JOHN BROWNING, F.R.A.S., F.R.M.S., &c. With 70 Illustrations. Price 1s., Cloth. CHATTO & WINDUS, Piccadilly, LONDON, W., AND ALL BOOKSELLERS. Sent free for 1s. 2d. by the Author, JOHN BROWNING, 63 Strand, London, W. C. "The 'STAR' MICROSCOPE is a modern marvel at its low price. TRAVELLER'S SCIENTIFIC COMPANION. The lenses alone are worth the money."-British Medical Journal. throughout in brass, neatly japanned, and is not only first-rate in optical qualities, but is now a handsome, well-finished Instrument. R. & J. BECK, 68 Cornhill, London, E.C. Aneroid Barometer with Altitude Scale, Compass with Patent Dial and Thermometer for Air Temperatures (or a Clinical Thermometer may be substituted). PRICE £4 10s. to £7 10s. Illustrated Price Lists posted free to all parts of the World. NEGRETTI & ZAMBRA. SCIENTIFIC INSTRUMENT MAKERS TO THE QUEEN, 38 HOLBORN VIADUCT. Branches: 45 CORNHILL; 122 REGENT STREET. Photographic Studio-CRYSTAL PALACE, Sydenham. Negretti & Zambra's Illustrated Catalogue, 1200 Engravings. Price 5s. 6d. Telephone No. 6583. Telegraphic Address: "Negretti, London." UNIVERSITY COLLEGE, LONDON. FACULTY OF MEDICINE. The SUMMER SESSION BEGINS ON MAY 1. The work is arranged so that a Student may advantageously begin the Science part of the Medical Curriculum then. Full information may be obtained from either of the undersigned. E. A. SCHÄFER, F.R.S., Dean of the Faculty. J. M. HORSBURGH, M.A., Secretary. THE GLASGOW AND WEST OF SCOTLAND TECHNICAL COLLEGE. PROFESSORSHIP OF CHEMISTRY VACANT. The Governors are prepared to receive applications for the "Freeland " Chair of Chemistry, which has been instituted under the reorganization of the whole Chemical Department consequent upon the death of Prof. DITTMAR. Information as to duties, salary, &c., mav be obtained on application. JOHN YOUNG, M.A., B.Sc., Secretary. 38 Bath Street, Glasgow. THE VICTORIA UNIVERSITY. A GILCHRIST SCHOLARSHIP, of the value of £50 per annum, and tenable for Three Years, in Owens College, Manchester, or in University College, Liverpool, or in Yorkshire College, Leeds, will be awarded on the results of the Preliminary Examination held in June 1892. Candidates, who must not be more than eighteen years of age, are required to send in their names to the VICE-CHANCELLOR, on or before June 1. Further Particulars can be obtained from the UNIVERSITY REGISTRAR, or from the REGISTRAR of either of the Colleges above-named. Manchester, February 1892. FIRTH COLLEGE, SHEFFIELD. THE ROYAL COMMISSIONERS OF THE 1851 EXHIBITION SCHOLARSHIP OF £150. Applications for this Scholarship must be sent to the REGISTRAR. Firth College, on or before APRIL 14. Candidates must have been Regis gistered Students in Firth College for at least three years, and must indicate high promise of capacity for advancing Science or its applications. The Scholarship is limited to Physics, Mechanics, or Chemistry, and is tenable for two years. ENSOR DRURY, Registrar. Sales by Auction. MONDAY, MARCH 21. NATURAL HISTORY SPECIMENS. MR. J. C. STEVENS will sell by Auction at his Great Rooms, 38 King Street, Covent Garden, on MONDAY, MARCH 21, at half-past 12 precisely, a Collection of Exotic Lepidop tera arranged in neat Store Boxes, containing specimens of nine and rare Ornithoptera, Papilio, Morpho, scarce Saturnidæ, &c, in finest possible condition. The Collection includes a probably un.que specimen of the Female of Morpho Cypris, blue variety, the colour being a brilliant ligh Pulkowskyi blue, instead of the ordinary Cypris blue. Also in the finest possible condition, fine and rare species from Palawan. Philippines, Bolivia, &c., very scarce Coleoptera as received. Als small choice Collection of British Cut and Polished Pebbles, together with severs small Cabinets, Shells, Bird and Animal Skins, Eggs, Horns, Corals. and other Natural History specimens. On view the Saturday prior, from ro till 4, and Morning of Sale, and Catalogues had. MONDAY, MARCH 28. THE CAMERON COLLECTION OF STUFFED BIRDS, MR. J. C. STEVENS will sell by Auction at his Great Rooms, 38 King Street, Covent Garden, on MONDAY, MARCH 28, at half-past 12 precisely, the Cameron Culletin of Eads, beautifully stuffed and mounted, obtained in the Orkney Is anis. On view the Saturday prior, from ro till 4, and Morning of Sale, and Catalogues had. Now Ready. THE FAUNA OF BRITISH INDIA, in cluding CEYLON and BURMAH. Published under the Anthority of the Secretary of State for India in Council. Edited by W. I BLANFORD. Medium 8vo, with numerous Woodcuts. MAMMALIA. By W. T. BLANFORD, F.R.S. 1 Vol. Complete. Price £1. FISHES. By F. DAY, C.I.E., LL.D. 2 Vols. Price 1 each. BIRDS. By EUGENE W. OATES, F.Z.S. Vol. I, Price £1; Vol. II., Price 155. REPTILIA AND BATRACHIA. Complete, Price £1. By G. A. BOULENGER. I Vol London: TAYLOR & FRANCIS, Red Lion Court, Fleet Street. Bombay: THACKER & CO., Ltd. Berlin R. FRIEDLÄNDER & SOHN, Carlstrasse 11. ROYAL COLLEGE OF SURGEONS OF ENGLAND. Now Ready, Price 125. CATALOGUE OF THE SPECIMENS ILLUSTRATING THE WANTED, a London B.Sc. as DEMON- Osteology of Vertebrate Animals STRATOR and ASSISTANT LECTURER in CHEMISTRY (one able to assist in Biology for London Intermediate Science Exam. preferred) at University Tutorial College, London. Salary, £150 to £175, Non-resident. To join at Easter.-Applications should be made before MARCH 25 to JOHN BRIGGS. Es., B.A., Vice-Principal, University Tutorial College, 12 Booksellers Row, London, W.C. IN THE MUSEUM. By R. B. SHARPE, LL.D., &c. TAYLOR & FRANCIS, Red Lion Court, Fleet Street E C. Just Published, Price 4d. Natural History and Scientific Book Circular, No. 115, containing Important Works for Sale on METEOROLOGY, PHYSICAL GEOGRAPHY, AERONAUTICS, ELECTRICITY, MAGNETISM, and GALVANISM. 1000 Titles. 40 Pages. Extract from review in Symons's Monthly Meteorologiai Marine, Land, and Freshwater Shells from all Parts Magazine:of the World. SELECTIONS SENT ON APPROVAL. SPECIMENS EXCHANGED. COLLECTIONS PURCHASED FOREIGN CORRESPONDENCE INVITED. HUGH FULTON, Dealer in Recent Shells, 89 FULHAM ROAD, LONDON, S.W. LIVING SPECIMENS FOR THE MICROSCOPE. Attractive Specimens of Pond-life for Exhibition purposes, such as Volvox globator, Epistylis grandis, Hydraviridis, Melicerta tubicolaria, Lophopus crystallinus, "Phantom larva (Corethra), Water-fleas, &c.; Amoeba Actinosphærium, Vorticella, Hydra, &c., for the Student of Biology, 1S. per Tube each, Post-free. THOMAS E. BOLTON (Son and Successor of the late THOMAS BOLTON, F. R.M.S., to whom was awarded a Gold Medal at the Fisheries Exhibition, 1883), FARLEY ROAD, MALVERN. During the existence of the Meteorological Magazine-i2. during ma than a quarter of a century, no English bookseller has, to our recalls tion. published a catalogue which, as regards meteorology, can compare with the above. ... The majority of the works are modern, and both merg the early and the late ones there are books which we have never before sect and which may be regarded as rarities. The misprints would be few I number were the work a bibliography, for a sale catalogue they are excep tionally rare." FROM THE NORTH POLE TO 10° OF SOUTH DECLINATION. BY OTTO BOEDDICKER. e Plates were Lithographed by Mr. W. H. WESLEY, Assistant Secretary of the Royal Astronomical Society. They are accompanied by a Preface which indicates the relation of the Drawings to the actual appearance of the Galaxy, as well as that of the Lithographs to the Originals. LONDON: LONGMANS, GREEN, & CO. Just Published. HILOSOPHICAL TRANSACTIONS. 1891, SERIES A. With 19 Plates, Price £2 2s. CONTENTS: he Determination of the Specific Resistance of Mercury in Absolute leasure. By J. VIRIAMU JONES. ne Determination of some Boiling and Freezing Points by Means of the Platinum Thermometer. By E. H. GRIFFITHS, M.A. he Specific Heats of Gases at Constant Volume.-Part I. Air, Carbon Dioxide, and Hydrogen. By J. JOLY, M.A., B. E. he Determination of the Boiling Point of Sulphur, and on a Method of Standardizing Platinum Resistance Thermometers by reference to it. By H. L. CALLENDAR, M.A. ERIAN LECTURE-On Tidal Prediction. By G. H. DARWIN, F.R.S. Ellipsoidal Harmonics. By W. D. NIVEN, F.R.S. Conditions of Chemical Change between Nitric Acid and certain Metals. By V. H. VELEY, M.A. Variations of Electromotive Force of Cells consisting of certain Metals, Platinum, and Nitric Acid. By G. J. BURCH, B.A., and V. H. VELEY, M.A. Influence of Stress and Strain on the Physical Properties of Matter.Part III. Magnetic Induction (continued).-The Internal Friction of Iron, Nickel. and Cobalt, studied by means of Magnetic Cycles of very Minute Range. By HERBERT TOMLINSON, B.A., F.R.S. the Reflection and Refraction of Light at the Surface of a Magnetized Medium. By A. B. BASSET, M.A., F. R.S. the Causes which Produce the Phenomena of New Stars. By J. NORMAN LOCKYER, F.R.S. Stokes's Current Function. By R. A. SAMPSON, B.A. SUMPNER. a Determination of the Mean Density of the Earth and the Gravitation Constant by means of the Common Balance. By J. H. POYNTING, D.Sc., F.R.S. 1891, SERIES B. With 43 Plates, Price £3 35. CONTENTS: he Patterns in Thumb and Finger Marks.-On their Arrangement into naturally distinct Classes, the Permanence of the Papillary Ridges that make them, and the Resemblance of their Classes to Ordinary Genera. By FRANCIS GALTON, F.R.S. bservations on the Anatomy and Development of Apteryx. By T. JEFFERY PARKER, B.Sc., F.R.S. n the Course of the Fibres of the Cingulum and the Posterior Parts of the Corpus Callosum and Fornix in the Marmoset Monkey. By CHARLES E. BEEVOR, M.D., F.R.C. P. On the Changes produced in the Circulation and Respiration by Increase of the Intra-cranial Pressure or Tension. By WALTER SPENCER, M.S., and VICTOR HORSLEY, F.R.S., B.S. On the Organization of the Fossil Plants of the Coal-Measures.-Part XVIII. Contributions to the Study of the Connection between Chemical Constitution and Physiological Action.-Part II. By T. LAUDER BRUNTON, M.D., F.R.S., and J. THEODORE CASH, M.D., F.R.S. Contributions to the Chemical Bacteriology of Sewage. By Sir HENRY E. Roscoe, F.R.S., D.C.L., LL. D., and JOSEPH LUNT, B.Sc., F.C.S. Sold by HARRISON & SONS, 45 St. Martin's Lane, W.C. Separate Papers from above on Sale by KEGAN PAUL, TRENCH, TRÜBNER, & CO. Fourth Edition, 5s. PROTOPLASM: PHYSICAL LIFE AND LAW. By LIONEL BEALE, F.R.S. HARRISON & SONS, Pall Mall. YOUNG J. PENTLAND'S LIST. Ready this Day, Crown 8vo, Pp. xvi., 642, with 32 Pages of Illustrations, Price 12s. 6d. OUTLINES OF ZOOLOGY. By J. ARTHUR THOMSON, M.A., Lecturer on Zoology, School of Medicine, Edinburgh. Just Published, Crown 8vo, Cloth, Pp. xvi., 260, with 154 Illustrations and a Series of Floral Diagrams, Price 6s. BOTANY. A Concise Manual for Students of Medicine and Science. By ALEXANDER JOHNSTONE, F.G.S., Lecturer on Botany, School of Medicine, Edinburgh. clvi Now Ready, Vols. I. and II., Super-Royal 8vo, 90s. HOSPITALS AND ASYLUMS OF THE WORLD: OF THEIR ORIGIN, HISTORY, CONSTRUCTION, ADMINISTRATION, MANAGEMENT, By HENRY C. BURDETT. Vol. I. ASYLUMS: History and Administration. Vol. II.—ASYLUM CONSTRUCTION, with Plans and Bibliography. From the TIMES, January 14, 1892:-"The work cannot fail to be of the utmost interest to all who are practically concerned with hospitals and asylums, and its value as an exhaustive work of reference is indisputable." London: J. & A. CHURCHILL, II New Burlington Street. Now Ready, with 1000 Illustrations, 1100 pages, 8vo, Cloth, 26s.; Half-calf, 30s. CARPENTER ON THE MICROSCOPE AND ITS REVELATIONS. SEVENTH EDITION. In which the first Seven Chapters have been entirely Rewritten, and the Text throughout Reconstructed, Enlarged, and Revised. By the Rev. W. H. DALLINGER, LL.D., F.R.S. CHAP. I. Elementary Principles of Microscopical Optics: Explanatory and II. The Principles and Theory of Vision with the Compound Micro- III. The History and Evolution of the Microscope, giving an account of what a good modern Microscope for any special purpose should be. IV. Accessory Apparatus, describing in detail the mode of using them. V. Objectives, Eye-pieces, the Apertometer. VI. Practical Microscopy: Manipulation and Preservation of the VII. Preparation, Mounting, and Collection of Objects. CHAP. X. Microscopic Structure of the Higher Cryptogams. XV. Sponges and Zoöphytes. XVI. Echinodermata. XVII. Polyzoa and Tunicata. XVIII. Mollusca and Brachiopoda. XX. Crustacea. XXI. Insects and Arachnida. XXII. Vertebrated Animals. XXIII. Application of the Microscope to Geological Investigation. London: J. & A. CHURCHILL, 11 New Burlington Street. THE QUARTERLY JOURNAL OF MICROSCOPICAL SCIENCE. Edited by E. RAY LANKESTER, M. A., LL.D., F.R.S.; with the co-operation of E. KLEIN, M.D., F.R.S.; Contents of No. CXXXI., with Nine By J. S. BODEN and F. C. SPRAWSON, 11 New Burlington Street. The Formation of the Germ-layers in Crangon vulgaris. By W. F. R. London: J. & A. CHURCHILL, Now Ready, Second English Edition, with 596 Illustrations, Royal 8vo, 32s. MANUAL OF CHEMICAL TECHNOLOGY. By RUDOLF VON WAGNER. Translated and Edited by WILLIAM CROOKES, F.R.S., Past Pres. C.S., Pres. Inst. E.E., A Prospectus of "Contents" will be sent on application. London: J. & A. CHURCHILL, 11 New Burlington Street. Now Ready, Seventh Edition, Revised and greatly Enlarged, Two Vols., Royal 8vo, with 371 Illustrations, 1800 Pages, Cooley's Cyclopædia of Practical Receipts And Collateral Information in the Arts, Manufactures, Professions, and Trades, including Medicine, Pharmacy, Designed as a Comprehensive Supplement to the Pharmacopoeia, and General Book of Reference for the EDITED BY W. NORTH, M.A. Camb., F.C.S. London: J. & A. CHURCHILL, 11 New Burlington Street. |