520 



SCIENTIFIC NEWS. 



[Nov. 1 6, if 



DIARY FOR NEXT WEEK. 



Tuesday, Nov. 20.— Institution of Civil Engineers, 25, Great 

 George Street, Westminster, S.W., at 8 

 p.m. — Friction-Brake Dynamometers, by 

 Mr. W. Worby Beaumont, M.Inst.C.E. 

 Zoological Society of London, 3, Hanover 

 Square, W., at 8.30 p.m.— Contributions 

 to the Skeletal Anatomy of the Mesosuchia, 

 based on fossil remains from the clays near 

 Peterborough, in the collection of A. Leids, 

 .£*/., by Mr. J. W.Hulke, F.R.S., F.Z.S.— 

 On the Small Mammals of Duval County, 

 South Texas, by Mr. Oldfield Thomas, 

 F.Z.S.— On the Mammals obtained by Mr. 

 C. M. Woodford during his second expe- 

 dition to the Solomon Islands, by Mr. 

 Oldfield Thomas, F.Z.S.—Liste Supple- 

 mentaire des Oiseaux recueillis en Coreapar 

 M. Jean Kalinoivski, by M. L. Tacza- 

 nowski, C.M.Z.S. 



Wednesday, Nov. 21. — Royal Meteorological Society, 25, Great 

 George Street, Westminster, S.W., at 7 

 p.m. — Results of an Investigation of the 

 Phenomena of English Thunderstorms 

 during the years 1857-59, by Mr. G. J. 

 Symons, F.R.S.— Notes on the Meeting op the 

 International Meteorological Committee at 

 Zurich in September, 1888, by Mr Robert 

 H. Scott, M.A., F.R.S. Models of Hail 

 stones— spheres about z\ inches in dia- 

 meter—forwarded by Mr. A. C. Stratten, 

 will be exhibited. 



Thursday, Nov. 22. —Society of Telegraph Engineers and Elec- 

 tricians, 25, Great George Street, West- 

 minster, at 8 p.m. 



Saturday, Nov. 24. — Physical Society, Normal School of Science, 

 South Kensington, at 3 p.m. — On the 

 Measurement of the Luminosity of Coloured 

 Surfaces, by Captain Abney, R.E., F.R.S. 

 — On the Suppressed Dimensions of Physi- 

 cal Quantities, by Professor Rvicker, F.R.S. 



SELECTED BOOKS. 



The Metallurgy of Gold. A practical Treatise on the 

 Metallurgical Treatment of Gold-bearing Ores, in- 

 cluding the processes of Concentration and Chlorina- 

 tion, and the Assaying and Refining of Gold. By 

 M. Eissler, formerly Assistant Assayer of the U.S. 

 Mint, San Francisco. With ninety illustrations. 

 London : Crosby Lockwood and Son. Price 7s. 6d. 



The Principles of Agricultural Practice as an Instruc- 

 tional Subject. By J. Wrightson, M.R.A.C., 

 F.C.S., etc., Professor of Agriculture in the Normal 

 School of Science and Royal School of Mines, etc. 

 With Geological Map. London : Chapman and 

 Hall, Limited. Price 5s. 



SALES. 



The Charge for Advertisements in this Column is Sixpence for the 

 first sixteen -words, and Sixpence for every succeeding eight words. 



Advertisements for this Column should be received by first post on 

 Tuesday to insure insertion in the folio-wing number. 



List of Second-hand Lathes, Fret-saws, etc., two stamps.— Call 

 at 100, Houndsditch, London, or write to Britannia Company, 

 Colchester. Prize Medals. Makers to the British Government. 

 Cash on easy terms. 



Hat Bearer ; or Brace Perfector ; universal fit. Post free, six 

 stamps. — T. Rawson, Heat on Lane, Stockport. 



Do your own Electro Plating and Gilding. System inex- 

 pensive. Particulars one stamp. — Perks, 47, Alexandra Road, 

 Richmond, Surrey. 



Watts' Gas Engines, all sizes, from ij bore, slide explodes 

 charge, simple. Lists, 3 stamps. — Below. 



Watts' Gas Engines, work without noise, are easily made up. 

 Castings supplied. List, 3 stamps. — Below. 



Dynamos for plating and lighting, experimenlal dynamos 

 electro motors, separate parts, wire, punchings, etc. — Below. 



Dynamos, highest efficiency, castings or finished. List, 2 stamps. 

 — Williams, Watt, and Co., Belshaw Street, Homerton, E. 



Mica or Talc cut for all purposes. Mica chimneys, Mica 

 covers, etc.— C. Johnson, 87, New Oxford Street, W.C. 



Fossils, Minerals. Twelve named specimens, 2s. 6d. free> 

 Cretaceous, Oolitic, Carboniferous, Silurian. — Chas. Wardingley ■ 

 Blackwood Crescent, Edinburgh. 



Printing Presses, from 7s. 6d. ; Founts of Type, from Is- 

 Send for lists. — Adams Bros. Daventry. 



Fretwork. — Catalogue of every requisite, with 600 illustrations, 

 free for 6 stamps. — Harger Bros., Settle. 



Embossed Fretwork. — A Novelty. — Twelve effective designs 

 with instructions, 6d. — G. Newton, 7, Basuto Road, Fulham. 



One Hundred Memorandums, Billheads, Business Cards, in 

 best style, is. 2d. free. — Reed and Co., Victoria Printing Works, 

 Scarborough. 



" Dynamo Construction and Electric Lighting for 

 Amateurs and Engineers," post free, is. — Alfred Crofts, 

 Dover. 



"High Class Model Work," Catalogue of Castings, parts 4d. 

 — Butler Bros., Bentham Road. South Hackney, London. 



Notice. — Our New Catalogue (Model Work) contains 83 illustra- 

 tions, and upwards of 1,000 prices. — Butler Bros. 



Cabinet Burnishers, with Lamp Complete, 12s. 6d. each. 

 Photo one stamp, of H. Southgate, Maidenhead, Berks. 



EXCHANGES. 



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

 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. 



List of Second Hand Goods fori sale or exchange, stamp. — 

 Butler Bros., Bentham Road, South Hackney, London. 



METEOROLOGICAL RETURNS 



for the ten weeks ending on Monday, Nov. 5th, 1888. Specially prepared for Scientific News from official reports. 





Mean Temperature. 



Rainfall. 



Duration of Sunshine. 



Scotland, East 



49/0 degs., being o"3 degs. below 



average. 



4-3 ins. 



, being 36 ins. 



below 



average. 



218 hrs. 



, being 22 hrs. below average 



England, N.E. 



49'5 . 



»i i*3 » »» 



11 



4'2 „ 



1. 2-2 „ 



11 



11 



218 „ 



„ 8 „ above „ 



England, East 



50 '6 , 



i» 20 ,, ,, 



11 



4'° 1. 



„ 17 .. 



11 



11 



287 „ 



11 33 11 11 11 



Midlands 



49 "6 • 



>» 2 ,, ,, 



11 



4'3 11 



., 27 „ 



11 



11 



259 .. 



11 25 ,, ,, ,, 



England, South 



52-1 , 



»* \ ,, ,, 



11 



53 - . 



1, I'4 .- 



11 



11 



303 .. 



11 52 11 11 11 



Scotland, West 



497 . 



,, o-8 ,, ,, 



i» 



5'9.. 



.. 54 .. 



11 



11 



218 „ 



• • 13 11 below „ 



England, N.W. 



50"5 . 



•> i'9 .1 >. 



11 



5-2,. 



„ 3'8 ,> 



11 



1, 



239 .. 



„ 18 ,, above „ 



England, S.W. 



50-8 , 



11 ' ° 11 11 



11 



6-6 „ 



- 39 .. 



11 



„ 



275 ii 



11 29 11 11 1, 



Ireland, North 



5i '3 . 



11 IO ,, ,, 



11 



4'9» 



» 3'4 .. 



11 



11 



198 „ 



,, 17 „ below ,, 



Ireland, South 



5' '6 . 



1 11 1*3 11 11 



11 



48 „ 



„ 4° .. 



n 



ii 



257 » 



„ average 



TheKingdom... 



50-5 , 



> 11 ' ° 1; 11 



11 



5'°>. 



,. 32 „ 



11 



11 



247 .. 



„ 11 hrs. above average. 



