SCIENTIFIC NEWS. 



Qan. 13, 16 



ANNOUNCEMENTS. 



King's College. — Mr. John M. Thomson has been ap- 

 pointed to the Chair of Chemistry in King's College, vacant 

 through the death of Prof. Bloxam. 



Geographical Museum. — The Council of the Royal Geo- 

 graphical Society are arranging a small select and permanent 

 museum of appliances used in geographical education, con- 

 sisting, in the first place, of some of the best things shown at 

 the recent public exhibition. 



Geography in Elementary Schools. — The Education 

 Department has accepted the offer of the Royal Geographical 

 Society for prizes in money (two of ^15 each) and books to 

 be awarded for the results of special training college examina- 

 tions held for the encouragement of geography in elementary 

 schools. 



The Central Institution. — Dr. A. K. Miller, Demonstra- 

 tor and Assistant in the Chemical Research Laboratory, will 

 deliver, during the spring term, a course of ten lectures on 

 the chemistry of oils and fats. The course will be delivered 

 on Mondays at 4 p.m., and will begin on January 23rd, 

 1888. 



The Iron and Steel Institute. — As a result of the 

 .ballot of members just taken, the Council of the Iron and 

 Steel Institute have decided to accept the invitation given by 

 the American iron and steel masters at the Manchester 

 meeting in September last to hold the next autumnal meeting 

 of the Institute in the United States. Two hundred and 

 fifty members have promised to attend the meeting. The 

 date has not yet been fixed, but it will probably be in 

 September. 



Oxford Professorship of Geology. — Candidates are 

 requested to send to the Registrar of the University, on or 

 belore February ist, 1888, their applications, accompanied by 

 any such evidence of their qualifications as they may desire 

 to submit to the electors. The professor is to receive ^400 

 per annum, to be augmented, when the revenues of the 

 University permit it, to a sum not less than ;£7oo. He is to 

 reside four months of the academical year, and to lecture in 

 two of the three University terms. 



DIARY FOR NEXT WEEK. 



Monday, Jan. 16. — London Institution, at 5 p.m. — The Ancient 

 Eastern Empires ; Rev. William Benham, 

 B.D. 



Society of Arts, Foreign and Colonial 

 Section, at 8 p.m. — The Colonies and 

 Dependencies of the Netherlands and of 

 Portugal; Mr. A. J. R. Trendell. 

 Tticsday, fan. 17. — Zoological Society, at 8.30 p.m. — On the 

 Lepidoptera received from. Dr. Emin 

 Pacha, Mr. A. G. Butler ; The Shells of 

 the Albert Nyanza, Central Africa, Mr. 

 E. A. Smith; Description of some New 

 Lepidoptera from Kilima-njaro, Mr. A. G. 

 Butler ; Notes on a Collection of Mammals 

 obtained by Emin Pacha in Central Africa, 

 Mr. O. Thomas. 



Royal Institution, at 3 p.m. — Before and 

 After Dar-uin ; Mr. G. J. Romanes. 



Royal Statistical Society, at 7.45 p.m. — 

 Progress, Organisation, and Aims of 

 I Forking- Class Co-operators ; Benjamin 

 Jones. 

 Wednesday, Jan. l?>. — Civil and Mechanical Engineers' Society, 

 at 7 p m. — Steel Sleepers; Mr. H. 'T. 

 Munday. 



Cardiff Amateur Photographic Society. — 

 Demonstration of Photography by Ma- 

 ncsium Light ; Mr. A, Keller. 



Society of Arts, at S p.m. — Methods of 

 Tatiing the Ballot; three papers, by 

 Messrs. John Leighton, James Withers, 

 and John Imray. 

 Thursday, Jan. 19. — London Institution, at 6 p.m. — The Material 

 of Music ; Mr. W. A. Barrett, Mus.Bac., 

 Oxon. 



Royal Institution, at 3 p.m. — Tlie Walker 

 School ; Mr. H. Herkoraer. 



Chemical Society, at 8 p.m. 



Royal Society, at 4.30 p m. 



Camera Club, at 8 p.m. — Lecture, by Capt. 

 W. deW. Abney, R.E. 

 Friday, Jan. 20. — Royal Institution, at g p.m. — Diffraction of 

 ^ound ; Lord Rayleigh. 



Camera Club, at 8 p.m. — Lecture on Photo- 

 graphy, by Mr. Lyonel Clark. 



Royal United Service Institution, at 3 p.m. 

 — The Principles that Govern the Handling 

 of the Artillery of an Army Corps ; Capt. 

 R. F. Johnson, R.A. 



British Museum, at 2.30 p.m. — TheHittites ; 

 Mr. T. Tyler. 

 Saturday, Jan. 21.— Royal Institution, at 3 p.m. — Experimental 

 Optics ; Lord Rayleigh. 



SALES. 



The Charge for Advertisements in this Column is Sixpence for tJie 

 first sixteen ivords, and Sixpence for every t ucceeding eight words. 

 Advertisements for this Column should be received by first post on 

 Tuesday to insure insertion in the following number. 



Agents Wanted. — Morgan's Celebrated Improved Boiler Fluid 

 Composition. Fifteen years' success. — W. H. Morgan, Chemical 

 Engineer, Gloucester. 



Before deciding, send 2d. for list of Second-hand Lathes 

 Fret-saws, Mechanics' Tools. — Britannia Co., Colchester. 

 Makers of Engineers' Tools to the British Government. 



Large assortment of Tools, etc., on view, 100, Houndsditch, 

 London. — All letters to Britannia Works, Colchester. Bona- 

 fide makers of 300 varieties. 



Electro-plating and Gilding successfully taught. Every 

 requisite supplied. — Address, Henric, 234, Great Colmore-street, 

 Birmingham. 



Nickel Plating. — Batteries, Nickel Saltes and Anodes. Every 

 requisite. — Address, Henric, 234, Great Cclmore-street, Bir- 

 mingham. 



Meerschaum and Briar Pipes Repaired, mounted, or cased, 

 ambers fitted.— W. George, 324, Essex-road, Islington, London. 



" Practical Amateur Photography," third thousand, ready 

 January 14th, 58 pages, photographic frontispiece, set gummed 

 chemical labels; 7d. stamps. — Vevers. 



Photographic Apparatus,— Complete sets from 17s. 6d. 

 " Optimus " Lenses 10 per cent, discount. Illustrated list free. — 

 C C. Vevers, Horsforth. Leeds. 



Horizontal Slide Valve Engine, only twice used, 30s. Good 

 Microscope, nearly new, 55s. See Exchange column. — Butler. 



Castings, Parts, Materials, and Finished Models. 

 Catalogue, 2d. — BuTLER Bros., 44, Elsden-road, Tottenham, 

 London. 



"Playground of Science," just ready, containing novel, 

 simple, and interesting scientific experiments, illustrated. One 

 Shilling, post free. — Truslove and Shirley, 7, St. Paul's-church- 

 yard, London. 



Magnesium Lamp, 6d. ; postage, 3d. ; Magnesium, 2d. yard. 

 List free.— Humphries, 29, Grafton-road, Holloway, London. 



EXCHANGES. 



Exchange Notices will be inserted in this Column at the rate of 

 Sixpenc for the first twenty four words, and Threepence for 

 every succeeding eight words. 



Advertisements for this Column should be received by first post on 

 Titesday to insure insertion in the follo'wing number. 



Models, Scienlific Apparatus, Tools, or Machinery taken 



in exchange for new goods or work done to order. — Botler 

 Bros., 44, Elsden-road, Tottenham, London. 



BOOKS RECEIVED. 



General Electric Apparatus Co. Catalogue. — "AB C Guide to 

 Autotype," J. R- Sawyer (Autotype Co.). — "Elektrische Appraate 

 Maschinen und Einrichtungen," W. E. Fein (J. Hoffmann, Stuttgart). 

 —" Other Suns than Ours," R.A. Proctor (Allen). — "Lectures on 

 Bacteria," A. De Bary (Oxford Clarendon Press). — " Unfinished 

 Worlds," Parkes (Hodder and Stoughton). — " Sketch of the Geo- 

 logical History of the Earth," E. Hull (C. W. Deacon and Co.). 



