240 



SCIENTIFIC NEWS. 



[Mar. 9, If 



DIARY 



Monday, Match 12.— 



2iiesday, March 13.- 



FOR NEXT WEEK. 



-London Institution, at 7 p.m.— Characteristic 

 Qualities of the Works produced by the 

 Great Composers ; Professor Ernest Pauer. 



Bradford Naturalists' Society, at 7.30 p.m. — 

 Microscopical Evening. 



Birkenhead Literary and Scientific Society. 

 — The Minute Strticiure of Textile Fibres ; 

 Mr. Norman Tate, F.LC. 



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

 after Darwin ; Professor G. J. Romanes. 



Royal Colonial Institute, at 8 p.m. — The 

 Postal and Telegraphic Cotnmrmicalioii of 

 the Empire; Mr. T. Henniker Heaton. 

 M.P. 



Camera Club, at 2 p.m. — Photographic 

 Conference, at the Society of Arts. 



Photographic Society, at 8 p.m. 

 Wednesday, Mar. 14, — Society of Arts, at S p.m. — Technical In- 

 struction in Agriculture ; Professor John 

 Wrightson. 



Civil and Mechanical Engineers' Society, at 



7 p.m. — On the Construction and Use of 

 the Hopper Dredger ; Mr. A. C. Schon- 

 berg. 



Camera Club, at 2 p.m. — Photographic Con- 

 ference, at the Society of Arts. 

 Cardiff Amateur Photographic Society, at 



8 p.m. — Microscopic Photography ; Mr. J. 

 Storrie. 



Royal Dublin Society, at 4 p.m., John Rus- 

 kin as a Critic and Philosopher ; Dr. C. 

 Waldstein. 

 Dundee Naturalists' Society, at 8 p.m. — 

 Mans Unintentional Agency in the Migra- 

 tion of Plants ; Professor J. W. H. 

 Trail. 

 Royal Microscopical Society, at 8 p.m. — 

 Oil the Type of a New Order of Fungi ; 

 Mr. G. Massee. 

 Thursday, March \<i.—^o-yA\Ti'A\\xX\on, at 3 p.m. — Microscopical 

 Work, or the Least and Simplest Forms of 

 Life; Rev. W. H. Dallinger. 

 Camera Club, at 8 p.m. — Description of and 

 Discussion on Apparatus exhibited at Club 

 Room, 

 London Institution, at 6 p.m. — A Genera- 

 tion's Changes in the Manufacture of Iron 

 and Steel ; Mr. Edward Riley. 

 Friday, March 16. — Society of Arts, Indian Section, at 8 p.m. — 

 The Origin, Progress, and Influence of 

 Universities in India; Mr. F. J. Mouat. 

 Royal Institution, at 9 p.m. — Coral Reefs and 



Islands ; Mr. John Murray. 

 Camera Club, at 8 p.m. — Development ; Mr. 



Lyonel Clark. 

 Royal Dublin Society, at 4 p.m. — fohn Ras- 

 kin as a Critic and Philosopher ; Dr. C. 

 Waldstein. 

 Royal United Service Institution, at 3 p.m. 

 The History of the Native Army of Bom- 

 bay from 1837 to 1887 ; Major-General W. 

 E. MacLeod. 

 Saturday, March 17.— Roya.1 Institution, at 3 p.m. — The Modern 

 Drama; Mr. W. Archer. 

 Society of Arts, at 3 p.m. — Protection of 

 Buildings from Lightning; Professor 

 Oliver J. Lodge. 



"~ SALES. ~~ 



The Charge for Advertisements in this Column is Sixpence for the 

 first sixteen words, and Sixpence for every sttcceeding eight words. 



Advertisements for this Column shottld 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. 



Fretwork Carving. — Catalogue of all requisites and 5°° 

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



saccharine. — 300 times sweeter than sugar. Sample, post free, 

 yd. — Adlington, Boughton Fields, Worcester. 



Electro -Plating and Gilding successfully taught. Every 

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

 Birmingham. 



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

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



Crayon Sketch from any photograph (returned uninjured), 

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



Meerschaum and Briar Pipes repaired, mounted, or cased ; 

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



Trouser Lengths, Ss, Cheap Cloth for Ladies' Dresses, 

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



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

 IS. each lot. — Collins, Summerlays-place, Bath. 



Dynamo, 120-candle power, improved larmature, loos. ; photo. 

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



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

 Wire from is. 4d. per lb. ; castings, lamps, etc. 



Dynamo, 30-candles, 29s. ; lo-candles, l8s. Photo. 5 stamps. 

 — D. Walton, Hebden Bridge, Yorkshire. 



EXCHANGES. 



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

 Sixpence for the first twenty-four words, and Threepence for 

 every succeedijtg eight words. 



Advertisements for this Cohimn 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.- -Rhtler Bros., 

 44, Elsden-ioad, Tottenham, London. 



SELECTED BOOKS. 



The Story of Creation. By E. Clodd. London : Long- 

 mans, Green, and Co. Price 6s. 



Treatise on Photography. By Captain W. de W. Abney. 

 Fifth Edition. London : Longmans, Green, and Co.- 

 Price 3s. 6d. 



Short Studies from Nature. London : Cassell and Co. 



Playground of Science. By Johnston Stephens. Lon- 

 don : Truslove and Shirley, is. 



Lectures on Electricity. By George Forbes. London : 

 Longmans, Green, and Co. Price 5s. 



An Easy Guide to the Constellations ; with a Miniature 

 Atlas of the Stars, and Key Maps. By the Rev.~ 

 James Gall. London and Edinburgh : Gall and Inglis. 



Management of Accumulators and Private Electric Light 

 Installations. A Practical Handbook. By Sir David 

 Salomans, Bart. Third Edition. London : Whit- 

 taker and Co. 



The Earth's Story. By Dr. Brown. London : Cassell 

 and Co. 



Weather. By Ralph Abercromby. International Scientific 

 Series. London : Keegan, Paul, and Co. 



First Year of Scientific Knowledge. By Madame Paul 

 Bert. London : Relfe and Sons. 



Elementary Physiography. By John Thornton, M.A. 

 London : Longmans, Green, and Co. Price 2S. 6d. 



NOTICES. 



The Title Page and Index to Vol. I., First Series, now 

 ready, price 6d. 



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



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