clxxxiv 



NATURE 



\Oct. 2, 1879 



UNIVERSITY OF LONDON. B.A. AND B.Sc. EXAMINATIONS. 



Si.vth Edition, crown 3vo. Zs. 6t/. 



ELEMENTS of MECHANICS, including 



HYDROSTATICS. With numerous Examples. Cy SAMUEL 

 NEWTH M.A.. U.D., Principal of New College, London, and Fellov.- 

 of University C'-Hege, London. New and Enlarged Edition. 



This Edition has been carefully revised throughcut, and with especial 

 reference to changes recently made in the Regulations of the Universiiy of 

 London. [A'eariy ready. 



JOHN IMURRAY, Albemarle Street. 



ZOOLOGICAL SOCIETY'S PUBLICATIONS. 



Now ready, 



PROCEEDINGS OF THE SCIENTIFIC 



MEETINGS of the SOCIETY_ for 1S79. Part TIT. Containing the 

 Papers read at the Scientific Meetings in Alay and June, 1870. With 19 

 Plates, most C' loured, 12.?. With Plates, uncoloured, 3^. 



May be obtained at the Society's Office, 11, Hancver Square, W., at Messrs. 

 LONGMANS', Paternoster Row, E.G., or through any Bookseller, 



Now ready, crown Svo, illustrated, 6f. €id. 



PHYSIOLOGY and HYGIENE 



of the 



VOICE, with e?pecial Reference to its Cultivation and Preservation. 

 For the Use of Speakers and Singers. By GORDON HOLMES, 

 Physician to the Municipal Throat and Ear Infirmary. 



J. & A. CHURCHILL, New Burlington Street. 

 This day is published. 



On the STRUCTURE and AFFINITIES of 



the " TABULATE CORALS " of the PAL/EOZOIC PERIOD, with 

 Critical Descriptions of Illustrative Species. By H. ALLEYNE 

 NICHOLSON. M.D., D.Sc, &c., &c., Professor of Natural History 

 in the University of St. Andrews. Illustrated with Engravings on Wood 

 and 15 Lithograph Plates. Super royal 8vo, 21J. 



WM. BLACKWOOD & SONS, Edinburgh and London. 



MR. OAKLEY COLES' WORKS. 



In preparation, Third Edition, demy 8vo. 



DEFORMITIES OF THE MOUTH, their Mechanical 

 Treatment. With an Appendix of Illustrative Cases. London : 

 Churchill, New Burlington Street. 



Opinions of thh Press on the First and Second Editions. 

 LANCET, November a8, i86S.— '* The workisfuU of usefulinformation 

 of every day utility to the practitioner." 



LANCET, July i6, 1870.— 'The Second Edition of this work shows 

 that the author has conilnued to devote himself with zeal to the investigation 

 and treatment o£ a very interesting class of cases. We recommend the 

 work to the study of both Surgeons and Dentists." 



BRITISH JOURNAL OF DENTAL SCIENCE, August, 1870. 

 —"The Second Edition bears upon its pages the most satisfactory evidence 

 of the industry and leal with which he has followed up the study and prac- 

 tice of the specialty he has devoted himself to with so much success 



Altogether we must heartily congratulate Mr. Coles on this creditable com- 

 pletion of a work which cannot but red'Und to his credit, wherever it i.s 

 Known." 



A MANUAL OF DENTAL MECHANICS. With 

 150 Illustrations. Churchill, New Burlington Street. 

 Opinion of the Press. 

 AMERICAN DENTAL REGISTER, November, 1874.— "The 

 work we regard as a very valuable one to the student, and, indeed, for the 

 Practitioner. Xtshould be in every Dentist's library." 



NOTES FOR DENTAL STUDENTS. 2s. M. 

 Butcher, 4, Crane-court, Fleet Street 



Opinion of the Press. 

 BRITISH JOURNAL OF DENTAL SCIENCE, August, 1876. 



—" We cordially welcome this useful little book Of great value 



to those preparing for the Dental Diploma We hope there will 



soon be a Second Edition needed." 



THE DOCTOR, September, 1S76.— "Carefully arranged and very 

 complete. Indeed they seem to try to take in rather more than sufficient for 



Dental students We have no other fault to find with this note-book, 



which appears a model of what such a work should be." 



THE MOUTH AND TEETH DURING PREG- 

 NANCY. Reprinted by permission from the Transactions o£ the 

 Odontological Society. Pp. 31. Price is. 6d, London : Wyman and 

 Sons, Great Queen Street. 



Opinion of the Press. 



THE BRITISH MEDICAL lOURNAL.- 



» the 



__ 'The author has 



evidently paid considerable attention to tlie subject, and gives many useful 

 hints as to the management and relief of the distressing toothache and 



neuralgia complicating pregnancy The remarks on treatment are 



practical, and will repay perusal. The practitioner will do well to 



carry out the suggestions offered by the author." 



Fourth Edition, Revised. 



Illustrated by 760 Wood Engravings and 3 Coloured Plates, and accompanied 

 by a Series of Problems, medium 8vo, cloth, iS^. 



DESCHANEL'S NATURAL PHILO- 



SOPHY. An Elementary Treatise, Translated and extended by J. D. 

 EvEfiETT. D.C-L., F.R.S.E., Prufessor of Natural Philosophy in 

 Queen's College, Belfast. 



Als:j, separately, in Four Parts, litnp cloth. 4s. 6d. each. 

 Part I. Mechanics, Hydrostatics, AND Pneumatics. 

 Part II. Hkat. 



Part III. ELECTr.iciTV and Magnetism. 

 Part IV. S'JUND AM) Light. 



" Systematically arranged, clearly written, and admirably illustrated, it 

 forms a model work for a class in experimental physics." — Saturday 

 Review. 



Illustrated by Numerous Wood-cuts, fcap. Svo, cloth, 3J. 6*^. 



ELEMENTARY TEXT-BOOK OF 



PHYSICS. Gy Prof. EVERETT, Translator and Editor of Dhs- 

 chasel's '* Natural Phiksrjphy," &c. 



"We have no hesitation in warmly recommending it as a good text-book 

 for junior classes." — Natitre. 



London: BLACKIE & SON, 4t and 50. Old Bailey; and sold by all 

 Eooksellerr, 



On the ist of every Month, price One Shilling. 



THE ZOOLOGIST: 



A MONTHLY MAGAZINE OF NATURAL HISTORY. 



Third Series. Edited by J. E. Harting, F.L.S.. F.Z.S., Member of \h-c 

 British Ornithologists' Union ; contains— 



Original articles by well-known naturalists in every branch of zoolcgy ; 

 habits of animals ; arrival and departure of migratorj' birds ; occurr ncc 

 of rare birds ; distribution and migration of British fresh-water fish ; tiew 

 or rare marine fish ; local aquaria; British reptiles; British land and fresh- 

 water moUiisca, with remarks on the haunts and habits of the species ; and 

 other matters of general interest to these w!io delight in natural hist>r>'. 

 Reports of the Linnean, Zoological, and Entomological Societies. Reviews 

 of natural history books. Occasional translations from foreign zooLigical 

 journals of important and interesting articles in various branches of zoology. 

 There are occa?ionaI woodcuts. 



JOHN VAN VOORST, t, Paternoster Row. 



L'ELEGTRICITE 



fle-ruo sclentlflquo illustreo 



Paraissant le 5 et le 20 de chaque mois 



B« unebells livraison de vingt-qualre pages grand in-S' Jeaui 



T6Wgraphie. — Oalvanoplastie. — Meteorologie. — Medeciaa 



Art railitaire. — Applications divursea 



OHaAKB SPECIAL DBS PROOR&S DB LA LUMlfeRE ELECTRIQCB 



Publication redigee depuis 1876 avec la collaboration des 

 principaux electnciens fran^ais et etrangars. 



Secretaires de la Redaction : W. de Fonvjelle et le G'« l'Arkos. 

 Directeur : E. de Clisson. 



CONDITIONS D'ADOyyEMENT : 



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ETATS-UNIS D'JIVltRlOUE.^ *"•.•• 'f » 

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Oil ttum^ro »picimen est envoys gratis sur toute demande affranehte 



adresaH au bureau du Journal : 



Paris, 16, ms du Croissant. Paris. 



PARIS ETDtPARTEBIENTsil *"•.•• '? ,„, 

 (6 mois. 6 BOI 



UNION POSTALE, 



Price 3^., free by post, 3J. 6d. 



The OWENS COLLEGE CALENDAR for 



the SESSION 1E79-S0. 

 J. E. CORNISH, Bookseller to the College, 33, Piccadilly, Manchester. 



DIAMONDS AND OTHER PRECIOUS STONEs! 



In consequence of the many spurious gems now being offered for sale, 

 Mr. Bryce-Wright is prepared to give a 



SCIENTIFIC GUARANTEED OPINION 



AS TO THH 



GENUINENESS, PURITY, AND APPROXIMATE VALUE 



Of Stones, Mounted or Unmounted, submitted to his inspection. 



BRYCE-WRIGHT, 



Mineralogist, and Expert in Ge>ns and Precious Stones, 



90, GREAT RUSSELL STREET LONDON W.C. 



