312 



SCIENTIFIC NE\VS. 



[Mar. 30, 18 



Students attending the Course will be granted free admission 

 to the Museum and Library from April ist to June ist. 



In order to put it within the power of every one to attend 

 the Lectures, a nominal fee only of Five Shillings for the 

 course will be charged to cover the necessary expenses. 



DIARY FOR NEXT WEEK. 



Monday, April 2. — Royal Institution, at 5 p.m. General Month'y 



Meeting. 

 Tuesday, April 3, — 



Wednesday, April /[. — Entomological Society, at 7 p.m. 

 Thursday, April 5. — Chemical Society, at 8 p.m. 

 Royal Society, at 4.30 p.m. 

 Friday, April 6. — Institution of Civil Eng'neers. Students' 



Meeting, at 7.30 p.m. Coie Mixing; 



Mr. G. E. J. McMurtrie. 

 Saturday, April 7. — 



SALES. 



The Charge for Advertisements in this Column is Sixpence for the 

 first sixteen ivords, and Sixpence for every iucceeding eight words. 



Advertisements for this Cohimn should be received by first post on 

 Tuesday to insure insertion in the following mimber. 



Crayon Sketch from any photograph (returned uninjured), 

 15 by II, IS. 2d., free. — Mr. Coulthard, Bathwick, Bath. 



Patterns. — 100 fretwork ; 100 repousse ; 200 turning ; 300 

 stencils ; is. each lot. — Collins, Summerlays-place, Bath. 



Patents. — Nine months' protection, 50s.; patent completed from 

 £6 los.— P. M. Rogers, 21, Finsbury Pavement. 



Fretwork Carving.— Catalogue of all requisites and 500 

 miniature designs free, 6 stamps.- Harger Bros., Settle. 



Electro - Plating and Gilding successfully taught. Every 

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

 Birmingham. 



Practical Hints on Electro-Plating, etc. — i stamp. — 

 Address, Henric, 234, Great Colmore-street, Birmingham. 



Meerschaum and Briar Pipes repaired, mounted, or cased ; 

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



Trouser Lengths, i;s.. Cheap Cloth for Ladies' Dresses, 

 Mantles, Suits. Patterns free. — Hewitt, 27, Winfield, Leeds. 



Dynamo, 120-candle power, improved armature, loos. Photo. 

 5 stamps. — D. Walton, Hebden Bridge, Yorkshire. 



Dynamo, 6o-candles, improved armature, 45s. ; photo. 5 stamps. 

 Castings, lamps, etc. ; wire from Is. 4d. per lb. 



Dynamo, 30-cindIes, 28s. ; lo-candles, 20s. Photo. 5 stamps 

 each— D. Walton, Hebden Bridge, Yorkshire. 



Large Assortment of Lathes, Planers, Drilling, Milling, 



and various new inventions and tools.— Britannia Company, 

 100, Houndsditch, London — All Letters, Britannia Tool Factory, 

 Colchester, England. Makers to the British Government. 



New Book on the Lathe, with notice of new appliances, metal 

 spinning, milling, etc., in an ordinary lathe ; 3s. post free. — 

 Britannia Company, Colchester. 



Minerals. — 12 named specimens, 2s. free ; 12 lias fosiils, 2S. 6d. 

 — Chas. Wardingley, 30, Blackwood Crescent, Edinburgh. 



EXCHANGES. 



Exchange Notices will be inserted in this Column at the rate 0/ 

 Sixpence for the first twenty four words, and Threepence for 

 every succeeding eight words. 



Advertisements for this Column should be received by first post on 

 Tuesday to insure insertion in the following number. 



Models, Scientific Apparatus, Tools, or Machinery taken 

 in exchange for new goods or work done to order.- -Butler Bros., 

 44, Elsden-ioad, Tottenham, London. 



SELECTED BOOKS. 



Natural Resources of the United States. By Jacob Harris 

 Patton, M.A., PhD. London: Appleton and Co.. 

 Price I2S. 6d. 



Etnin Pasha in Central Africa : Letters and Journals. 

 Collected and Edited by Professor Schweinfurth, 

 Professor Ratzel, Dr. Felkin, and Dr. Hartlaub. 

 With Life and Introduction. Illustrated with Two 

 Portraits and a large Scale Map. London : George 

 Philip and Son. Price i6s. 



Geometrical Drawing. For the Use of Candidates for 

 Army Examinations, and as an Introduction to 

 Mechanical Drawing. By W. N. Wilson, M.A., 

 Assistant Master at Rugby School. London : 

 Rivington and Co. Price 4s. 6d. 



T/ie Geological History of Plants. By Sir J. William 

 Dawson, C.M.G., LL.D., F.R.S. With 80 Figures 

 in Text. International Scientific Series. London : 

 Kegan Paul, Trench and Co. Price 5s. 



A Manual of Dissections of the Human Body, for the Use 

 of Students, and more Particularly for those Preparing 

 for the High Exatnination in Anatomy. By the late 

 R. E. Carrington, M.D., F.R C.P. Second Edition. 

 Revised and Enlarged by W. Arbuthnot Lane, M.S., 

 F.R.C.S. London : George Bell and Sons. Price 

 9s. 



Reminiscences of Foreign Travel. By Robert Crawford, 

 M.A., lately Professor of Civil Engineering in the 

 University of Dublin. London : Longmans, Green, 

 and Co. Price 5s. 



A Season in Egypt, 1887. By W. M. Flinders Petrie. 

 Illustrated. London : Field and Tuer; Trtibner and 

 Co. Price 12s. 



An Elementary Geography of the British Isles. By Archi- 

 bald Geikie, F.R.S., Director-General of the Geo- 

 logical Survey of the United Kingdom. London : 

 Macmillan and Co. Price is. 



California of the South : its Physical Geography, Climate, 

 Researches, Routes of Travels, and Health Resorts. 

 Being a Complete Guide to Southern California. By 

 Walter Landley, M.D., and J. P. Widney, A.M., 

 M.D. With Maps and numerous Illustrations. 

 London : Appleton and Co. Price 8s. 6d. 



To the Central African Lakes and Back : the Narrative of 

 the Royal Geographical Society's East Central African 

 Expedition, 1878-80. By J. Thomson. London: 

 Sampson Low, Marston, and Co. Price 7s. 6d. 



Aids to Chemistry. Part 1, Inorganic, the Non-Metallic 

 Elements. By C. E. A. Semple. London: Bailliere 

 and Co. Price 2S. 



Natural History Object Lessons : A Manual for Teachers. 

 By G. Ricks. London : Isbister and Co. Price 

 4s. 6d. 



NOTICES. 



The Title Page and Index to Vol. I., First Se/ies, now 

 ready, price 6d. 



Binding Cases for Vol. I., First Series, price 2s. each. 



Binding Cases and Binding, Vol. I., First Series, including 

 Title Page and Index, price 3s. 



Vol. I., First Scries, bound in cloth, with Title Page and 

 Index, 7s. 6d. — by post 8s. 



The Back Numbersof Scientific News can be obtained from 

 all Booksellers and Newsagents, or direct from the Publisher, 

 138, Fleet-street, London, E.C. Prices 6d. each, or by post 

 7d. for the First Series, and 3d. each, or by post 3^d., for the 

 New Series. 



