MACMILLAN & CO.'S SCIENCE PRIMERS FOR ELEMENTARY SCHOOLS. Under the joint Editorship of PROFESSORS HUXLEY, ROSCOE, AND BALFOUR STEWART. A method admirably suited to attract the interest and attention of young scholars. They are wonderfully clear and lucid in their instructions, simple in style, and admirable in plan."-EDUCATIONAL TIMES. NEW VOLUME JUST PUBLISHED. PRIMER OF PHYSICAL GEOGRAPHY. By Archibald Geikie, LL.D., F.R.S., Murchison-Professor of Geology and Mineralogy in the University of Edinburgh. With numerous Illustrations, 18mo, cloth, Is. [This day. LESSONS IN ELEMENTARY ANATOMY. By St. George Mivart, F.R.S., Lec- POPULAR ASTRONOMY.-With Illus trations. By Sir G. B. AIRY, K.C.B., Astronomer Royal. New Edition. 18mo, 4s. 6d. The speciality of this work is the direct reference of every step to the Observatory, and the full description of the methods and instruments of observation. ELEMENTARY LESSONS in ASTRO. "The book is full, clear, and sound.”—Athenæum. 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"PRACTITIONER" OFFICE, 29, Bedford Street, Covent Garden, W. C. LONDON, April, 1873. THE Publishers of The Practitioner have much pleasure in announcing the immediate enlargement of the Journal by the addition of 16 pages in each number, which will be devoted exclusively to matters of Public Health. The sanitary legislation of 1872 has created an entirely new set of public appointments, which must necessarily be filled by medical men. The numerous Medical Officers of Health who have been, or will be shortly, appointed all over the country, must necessarily feel the want of some channel through which they may obtain the most recent and correct information respecting all matters which concern the important duties which they are called on to perform. At present there is no such source of information; for the casual notices of hygienic matters which appear in the ordinary medical journals, though often individually very valuable, can scarcely be said to put the subject of Public Health before the profession in a compact and continuous manner. The Publishers of The Practitioner have the pleasure of announcing that the Editor has succeeded in obtaining the promised co-operation of several of the inost distinguished authorities in Sanitary Medicine, in making the Public Health Department of the Journal all that it should be. Each monthly instalment will consist of three sub-sections: the first, an original article on some hygienic question of general interest; the second, a summary account of what is being done in practical hygiene in this country and on the Continent; the third, a brief mention of all new inventions in the way of apparatus and processes for carrying out the details of sanitary work. The first number of the enlarged Practitioner will appear in May, or rather it will be published on the 26th of April; and arrangements have been made by which the Journal will in future always appear on the 26th of the month before its nominal date. It has not been thought advisable to materially alter the name of the Journal, which the Publishers are happy to believe has become favourably known to a wide circle of readers. In its new series, therefore, The Practitioner will be merely entitled "A Monthly Journal of Therapeutics and Public Health :" and under this denomination the Publishers confidently hope that it will attract a large increase of that support which the profession has already liberally given to it. In this belief they have determined not to increase the present price (1s. 6d. monthly), although their subscribers will in future obtain 16 more pages of printed matter. THE MAY NUMBER CONTAINS: ORIGINAL COMMUNICATIONS: JAMES ROSS, M.D.-The Geometrical Method in Medicine. Part III. DR. ANSTIE. On the Use of Ergot of Rye in the Hæmoptysis of Phthisis. Part III. The EDITOR.-Note on Dr. Dale's Case. CLINIC OF THE MONTH. EXTRACTS FROM BRITISH AND FOREIGN JOURNALS. NEW DEPARTMENT OF PUBLIC HEALTH. Sanitary Organization in England. Health Aspects of Sewage Irrigation. CONTAINING ARTICLES ON Propagation of Enteric Fever by the Milkman. MACMILLAN AND CO. 29 & 30, BEDFORD STREET, COVENT GARDEN, LONDON. E. DENT & CO., 61, Strand, & 34, Royal Exchange. (FACTORY, SAVOY ST.), LONDON. MANUFACTURERS OF CHRONOMETERS, WATCHES, ASTRONOMICAL AND TURRET CLOCKS (with or without Galvanic Contact Apparatus), COMPASSES, &c., TO HER MAJESTY AND H.R.H. THE PRINCE OF WALES, AND H.I.M. THE EMPEROR OF RUSSIA. MAKERS of the GREAT CLOCK of the HOUSES of PARLIAMENT. MAKERS of the NEW STANDARD CLOCK of the ROYAL OBSERVATORY, Greenwich. IMPROVED Catalogues or Estimates on Application. SPECTRUM APPARATUS. JOHN BROWNING begs to call the attention of the scientific public to the fact that he has remodelled and greatly improved nearly the whole of his specialities in Spectroscopes within the last year; more particularly he would mention his Miniature Spectroscope, the Direct-vision Spectroscope, with micro metric measuring apparatus, and his Universal Automatic Spectroscope. John Browning can now supply one of these Instruments with a dispersive power equal to eleven flint-glass prisms, and so compact that it can be easily adapted to a 4-in. refracting telescope. COLONEL CAMPBELL'S NEW SPECTROMETER. By the aid of this contrivance, an unskilled observer may map any spectra without taking readings. JOHN BROWNING, OPTICAL AND PHYSICAL INSTRUMENT MAKER TO THE ROYAL OBSERVATORY, &c., 63, STRAND, W.C., & III, MINORIES, LONDON, E. ESTABLISHED 100 YEARS. LIST OF SPECTROSCOPES FREE BY POST. AN ILLUSTRATED DESCRIPTIVE CATALOGUE OF SPECTROSCOPES, 18 STAMPS. BY DR. LIONEL BEALE, F.R.S. 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THE NATURAL HISTORY OF THE CURACOA'S VOYAGE IN Now ready, with a Coloured Chart, 43 Coloured Plates and Chromolitho- London: LONGMANS, GREEN, & CO., Paternoster Row "Bloxam's Metals." "Miller's Inorganic Chemistry." "Maxwell's Theory of Heat.' "Merrifield's Technical Arithmetic." "Hunter's Key to Merrifield's Arithmetic." London: LONGMANS, GREEN, & CO., Paternoster Row. Now ready, Parts 1 to 5 (demy 8vo, 2s. 6d. each), of a late WILLIAM YARRELL, V.P.L.S. F.Z.S.Fourth Edition, revised New Work by DR. LIONEL BEALE, F.R.S. Printed by R. CLAY, SONS & TAYLOR, at 7 and 8, Bread Street Hill, in the City of London, and published by Macmillan & Co. at the Office, 29, and 30, Bedford Street, Covent Garden.-THURSDAY, May 15, 1873. ROYAL GEOGRAPHICAL SOCIETY. The Anniversary Meeting will be held, by permission of the Chancellor and Senate, in the Hall of the University of London, Burlington Gardens, on MONDAY, May 26th, at 1 p.m., Major-General Sir Henry C. 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LIBRARY, 12, ST. JAMES'S SQUARE.-(Founded in 1841.) President-THOMAS CARLYLE, ESQ. This Library contains 90,000 Volumes of Ancient and Modern Literature in various Languages. Subscription, £3 a year, or £2, with Entrance-fee of 66; Life Membership, £26. Fifteen Volumes are allowed to Country, and Ten to Town Members. Reading-room open from Ten to half-past Six. Prospectus on application. ROBERT HARRISON, Secretary and Librarian. GEOLOGY, BOTANY, &c. JOHN TYM, of Castleton (Peak of Derbyshire) has on Sale a very large assortment of Minerals and Fossils, particularly from the Lias, Coal, and Mountain Limestone. Rare Specimens at reasonable prices. Students' Collections in Cabinets. 150 Specimens, £2 25., and so on in proportion (specially arranged to illustrate Lyell, Page, Alleyne, Nicholson, Dana, &c.). Dried Mosses and Ferns in elegant folios. Fluor Spar and Marble Ornaments. Catalogues post free. Address-John Tym, Castleton, near Sheffield TISLEY AND SPILLER, OPTICIANS & SCIENTIFIC INSTRUMENT MAKERS, 172, BROMPTON ROAD, S.W., All kinds of Optical, Philosophical, and Chemical Apparatus supplied. AN INTRODUCTION TO PHYSIOLOGY THE LONDON SPECTROSCOPE COMPANY, and MEDICINE: Bioplasm. Pp. 350, with 22 Plates, 6s. 6d. J. & A. CHURCHILL. FOR SALE. MACGILLIVRAY'S BRITISH BIRDS. 5 vols, half calf, complete, £5. Apply to "M. D.," Post Office, Cambridge. The REV. L. HENSLEY, Vicar of Hitchin, formerly Fellow and Assistant Tutor of Trinity College, Cambridge, receives several Pupils to prepare for the Universities, and will have a Vacancy after the long vacation. CHARLES OWEN, Manager (Ten years with JOHN BROWNING, of the Minories; Nephew and formerly Manager to the late HENRY BARROW, of Oxenden Street, Haymarket) 46 & 48, CITY ROAD, LONDON, E.C. Wholesale Manufacturers of Spectroscopes, Microscopes, and every description of Mathematical, IMPORTERS OF OPTICAL GOODS. ASTRONOMICAL INSTRUMENTS MADE TO ORDER. In 8vo, cloth, extra gilt, with nearly 100 Illustrations and 8 Coloured Maps and Plans, price 31s. 6d. This day. THE DEPTHS OF THE SEA. AN ACCOUNT OF THE GENERAL RESULTS OF THE DREDGING CRUISES Ot H.M.S. Lightning and Porcupine during the Summers of 1868-69-70, under the Scientific Direction of Dr. Carpenter, F.R.S., J. Gwyn Jeffreys, F.R.S., and Dr. Wyville Thomson, F.R.S It was the important and interesting results recorded in this volume that induced the Government to send out the great Expedition now launched under the scientific guidance of Dr. Wyville Thomson, which is spoken of as "the most important surveying expedition which has ever sailed from any country. "Nothing can be more complete than the account of the scientific results of these voyages, which are fully illustrated by woodcuts of the strange forms of life brought from the dark depths of the ocean, by charts of soundings, and elaborate tables of the deep-sea temperatures."-Daily News. "Even to the non-scientific reader, who understands neither Latin names nor Miller-Casella thermometers, this book may still be full of interest, if he who glances at it cares to see what a wonderful world he lives in, and how very little he knows of it The book is worth having only for its illustrations. Looking at the engravings, it is not too much to say that no such illustration of the peculiarly delicate and complicated forms of lower animal life have yet appeared.”—Times. "It is not too much to say that all who wish to follow what the Challenger does, must be acquainted with what had been done by the other vessels previously lent by the Admiralty. . . . This copiously illustrated, most interesting, and valuable record of invaluable research."-Standard. Second Edition, in imperial 8vo, cloth, extra gilt, price 31s. 6d., Illustrated by Eleven Coloured Plates and 455 Woodcuts. This Day, THE FORCES OF NATURE: A POPULAR INTRODUCTION to the STUDY of PHYSICAL PHENOMENA, By A MÉDÉE GUILLEMIN Translated from the French by Mrs. NORMAN LOCKYER, and Edited, with Additions and Noes, by Book I. Gravity.-Book II. Sound.-Book III. Light.-Book IV. Heat.-Book V. Magnetism.--Book VI. The Electric Light.-Book VII. Atmospheric Meteors. "Translator and editor have done justice to their trust. The text has all the force and flow of original writing, combining faithfulness to the author's meaning with purity and independence with regard to idiom; while the technical precision and accuracy pervading the work throughout speak of the watchful editorial supervision which has been given to every scientific detail. Nothing can well exceed the clearness and delicacy of the illustrative woodcuts borrowed from the French edition, or the purity and chromatic truth of the coloured plates. Altogether the work may be said to have no parallel, either in point of fulness or attraction, as a popular manual of physical science. What we feel, however, bound to say, and what we say with pleasure, is that among works of its class no publication can stand comparison with it either in literary completeness or in artistic grace.”. Saturday Review. MACMILLAN & CO., London. |