CXXXVl 



NATURE 



{Feb. 27, 1879 



THE TELEPHONE COMPANY, LIMITED, 



36, COLEMAN STREET, LONDON, E.G. 

 SOLE PROPRIETORS OF BELL'S AND OTHER PATENTS. 



Telephones and all necessary Instruments Supplied for Domestic or Business Purposes, on Sale or Rental. 



Estimates can be obtained for fitting up Telephonic Communication in Mines, Factories, Workshops, or Privati 

 Dwellings ; also for Lines of Wire Communicating between Lighthouses and the Shore ; Shipping Offices and Vessel;> 

 in Port ; Noblemen's Mansions and their Lodges, Stables, or Gamekeepers' Residences, &c., &c. 



Agents Wanted. — A Liberal Discount allowed to the Trade. 



Proceedings will be taken against all Persons selling or using any Telephones, or otherwise infringing the 

 Company's Patents. 



Application for Price Lists or further information to be made to the Manager. 



THE MINIATURE MICROSCOPE LAMP 



(REGISTERED) 

 PRICE i4i. PORTABLE TIN CASE FOR DITTO, ts. 6a. 



JAMES HOW & Co., 



SCIENTIFIC INSTRUMENT MAKERS, 



S, ST. BRIDE ST. (late 2, Foster Lane), LONDON. 



VOLUME IX. 



(FAL-FYZ) 



OF THE 



ENCYCLOPEDIA 

 BRITANNICA 



Will be Ready about the End of Next Month, 



Now ready, in 4to, cloth, price 30J. 

 THE 



E N C YC LOP^DI A 

 BRITANNICA. 



NINTH EDITION. 

 edited by 



PROF. T. SPENCER BAYNES, LL.D., 



assisted by 440 contributors. 



Volume 1. (A — Ana). 



Volume II. (Ana — Ath). 



Volume III. (Ath— Boi). 



Volume IV. (Bok — Can). 



Volume V. (Can — Cle). 



Volume VI. (Cli— Day). 



Volume VII. (Dea— Eld). 



Volume VIII. (Ele— FakK 



Volume IX. (Fal — Fyz). {Next month. 



EDINBURGH: ADAM & CHARLES BLACK. 



W. LADD & CO., 



Scientific Instrument Maaofactarers 



(By Appointment to the Royal Institution of Great Britain), 



II & 12, BEAK STREET, REGENT STREET, W. 



BYRNE'S PATENT COMPOUND PLATE PNEU- 

 MATIC BATTERY for Cautery and general purposes. 



EDMUNDS' PHONOSCOPE for making Vocal Vibra- 

 tions visible in a Vacuum Tube. 



HUGHES' MICROPHONE. 



TELEPHONIC APPARATUS, &c. 



LADD'S IMPROVED SELF-CHARGING HOLTZ 

 ELECTRICAL MACHINE, with 4 to 12 Plates, in- 

 closed in a Mahogany and Glass Case. This instrument is 

 immediately available in any condition of the atmosphere. 

 Philosophical Apparatus of every Description. 



Illustrated Catalogue, Sixpence. 



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 the Press on the First and Second Editions. 

 LANCET, November 38, 1868.— " The work is full of useful information 

 of every day utility to the practitioner." 



LANCET, July o. 1S70 — 'The Second Edition of this work shows 

 that the author has coiiiinued to devote himself with leal to the investigation 

 and treatment of 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 zeal 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 redound to his credit, wherever it is 

 icnown." 



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. Itshould be in every Dentist's library." 



NOTES FOR DENTAL STUDENTS. 2s. U. 



Butcher, 4, Crane-court, Fleet Street. 



Opinion of the Press. 



BRITISH JOURNAL OF DENTAL SCIENCE, August, i8;6. 



— " 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, 1876.— "Carefully arranged and very 

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



Denial 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 of the 

 Odontological Society. Pp. 31. Price is. td. London: Wymanand 

 Sons, Great Queen Street. 



Opinion of the Pres."!. 

 THE BRITISH MEDICAL JOURNAL.— "The author has 

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

 hints as ta 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 suggesticns offered by the author. 



Primed by K. Clav, So.ns, and Taylor, at 7 and 8, Bread Street Hill, Queen Victoria Street, in the City of London, and publisned by 

 M/.c.viiLi.AN AND Col, at the Office, 29 and 30, Bedford Street, Covent Garden. — Thursday, February 27, 1879. 



