6i6 



SCIENTIFIC NEWS. 



[Dec. 14, i? 



DIARY FOR NEXT WEEK. 



Monday, Dec. 17. — Society of Arts, John Street, Adelphi, Cantor 

 Lecture, at 8 p.m.— Light and Colour, by 

 Captain W. de W. Abney, C.B., F.R.S. 



Tuesday, Deo. 18, — Zoological Society, 3, Hanover Square, W., 

 at 8.30 p.m. — Descriptions of Fifteen New 

 Species of Shells from China, fapan, and 

 the Andaman Islands, chiefly collected by 

 Deputy Surgeon- General R. Hungerford, 

 by Mr. G. B. Sowerby, F.Z.S.— List of 

 the Lepidoptera-Heterocera, with Descrip- 

 tions of the New Species, collected by Mr. 

 C. M. Woodford at Aola, Guadalcanal- 

 Island, Solomon Islands, by Mr. Herbert 

 Druce, F.Z.S. — On the Lepidoptera of 

 Japan and Corea. Part II. Heterocera, 

 by Mr. J. H. Leech, F.Z.S.— Some Re- 

 marks on the Numbers and on the Phylo- 

 genetic Development of the Remiges of 

 Birds, by Dr. Hans Gadow. 



Institution of Civil Engineers, 25, Great 

 George Street, Westminster, at 8 p.m. — 

 The Friction of Locomotive Slide Valves, by 

 Mr. J. A. F. Aspinall.M.Inst.C.E. 



Royal Statistical Society, School of Mines, 

 2S, Jermyn Street, W., at 745 p.m. — 

 Recent Changes in Prices and Incomes 

 Compared, by Mr. Robert Giffen, LL D.| 



Wednesday, Dec. 19. — Civil and Mechanical Engineers' Society, 

 Westminster Palace Hotel, at 7 P- m - — 

 Notes on the Oroya Railway, in Peru. 



Society of Arts, John Street, Adelphi, at 8 

 p.m. — Standards of Light, by Mr. W. J. 

 Dibdin, F.I.C. 



Royal Meteorological Society, 25, Great 

 George Street, Westminster, at 7 p.m. — 

 Note on the Prolonged Spell of Cold 

 Weather from September, 1887, to October, 

 1888, by Charles Harding, F.R.Met.Soc. 

 Report on the Phonological Observations 

 for 1888, by the Rev. T. A. Preston, M.A., 

 F.R.Met.Soc— A Winter's Weather at 

 Massowah, by Captain D. Wilson-Barker, 

 F.R.Met.Soc. 



Thursday, Dec. 



20. — Chemical Society, Burlington House, 

 8 p.m. 



at 



Manchester Microscopical Society, at 7 p.m. 

 Mounting Section. 



St. James's Hall, at 8.30 p.m. — Lecture on 

 Architecture, by Messrs. G. A. T. Middle- 

 ton and Cecil Orr. 



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 following number. 



Gas Engine, nearly new, one-man-power, Atkinson Patent, 

 also a separator for Photographic Emulsion, by Watson, Laidlaw, / 

 and Co., Glasgow. — Firrel, Kirkdale, Sydenham. 



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

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

 Makers to the British Government. 



Post free, six 



Colchester. Prize Medals. 

 Cash on easy terms. 



Hat Bearer; or Brace Perfector ; universal fit. 

 stamps. — T. Rawson, Heaton Lane, Stockport. 



Fretwork. — Catalogue of every requisite, with 603 illustrations, 

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



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 \\ 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., Belsbaw Street, Homerton, E. 



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

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



Dynamos, improved gramme type, wrought cores, laminated 

 armatures, high efficiency, from six lights upwards. — H. Jones. 



New Lists, one stamp, forty dynamos to select from. — H. JONES, 

 14, High Street, Lambeth, S.E. 



Catalogue, 4d., eighty-three illustrations, models, castings' 

 parts, screws, materials. — Butler Bros., Bentham Road, South 

 Hackney, London. 



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. 



Second Hand Scientific Goods, sale or exchange. List 

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



NOTICES. 



The Title Page and Index to Vol. I., now ready, price 3d. 



Cases and Binding, Vol. I., including Title Page and Index, 

 price 3s. 



Vol. I., bound in cloth, with Title Page and Index, 9s. 6d. 

 — by post 10s. 



The Back Numbers 01 Scientific News can be obtained 

 from all Booksellers and Newsagents, or direct from the 

 Publisher, 138, Fleet-street, London, E.C. Price 3d. each, or 

 by post 3|d. 



METEOROLOGICAL RETURNS 



For the ten weeks ending on Monday, Dec. 3rd, 1888. Specially prepared for Scientific News from official reports. 









Mean Temperat 



are. 





Rainfall. 



Duration of Sunshine. 



Scotland, East 



44 "4 



legs. 



being 2 '0 degs. 



above 



average. 



8 4 ins. 



, bein 



y I'l ins. above average. 



95 



irs. 



, being S5 hrs. 



below 



average 



England, N.E. 



46-3 



»» 



»» I* 2 j» 



>» 



tt 



5"i l» 



j> 



1*4 „ below 



11 



I3« 



99 



11 20 » 



ii 



11 



England, East 



46-4 



n 



11 o-i „ 



below 



11 



4'8 „ 



„ 



i*5 » » 



js 



190 



n 



»J 2 , 1 



11 



ji 



Midlands 



46 - o 



11 



n 0'4 ,t 



above 



it 



61 „ 



»» 



07 » 



»i 



16, 



11 



tt 13 11 



11 



»» 



England, South 



48-0 



it 



» o-8 „ 



11 





75 » 



„ 



o*5 „ above 



»> 



174 



11 



II II 11 



i» 



ii 



Scotland, West 



46-4 



It 



a i'3 11 



>> 



)> 



130,, 



j» 



i"6 „ „ 



») 



117 



11 



it 43 i» 



n 



j j 



England, N.W. 



47-1 



II 



it 0'2 „ 



it 



n 



87,, 



5) 



o*3 ,, below 



it 



131 



11 



ji 2 4 11 



tt 



)> 



England, S.W. 



49' 1 



it 



»> 07 „ 



it 





"•3.1 



91 



0'5 )i above 



11 



177 



51 



n 15 n 



tt 



11 



Ireland, North 



48-1 



IJ 



» i"5 >> 







7'8 „ 



J) 



0"6 ,, below 





137 



II 



i» 3$ ,, 



it 



ii 



Ireland, South 



49-1 



it 



jj 1 '4 i) 



it 



11 



9"2„ 

 8'2 „ 



" 



0*5 „ above 



n 



146 



)] 



ii 49 tt 



i) 



11 



The Kingdom... 



4ri 



it 



it °"9 u 



It 



1) 



)» 



0*03 „ below 



»» 



>47 



II 



» 30 1. 



is 



11 



