iv CONTENTS. 
Rev. Prof. CHEVALLIER on a Rainbow seen after actual Sunset ......eesssseseees 
Mr. T. Horxins’s Notices of Mirage on the Sea Coast of Lancashire ......... 
Sir Rosert H. Ineuts’s Letter to Col. Sabine ..........4. snecacedoan wees cacigneenes a 
Dr. Joun Lee on Meteorological Observations made at Kaafjord, near Alten, 
in Western Finmark, and at Christiania in Norway ..ssss.ssesssesserecneeeverers 
Mr. T. Hopkins on the Means of Computing the Quantity of Vapour eka 
in a Vertical Column of the Atmosphere .....ssscosessccesscrssevsveetsneseecencssens 
Mr. EpwAkpD JosEPH LOWE on Meteors.........ssseeceeeseseee ake co Seen Casco ines ree 
Admiral Sir C. Matcoutm’s Notice of a Meteor seen in India on the 19th of 
last March......ss000 easenavesscnevewansnschieree saeaens Sataeeseaue vececsseesccasseses 
Mr. Foxiiett Osxer on the Results of certain Anemometers ...ccccssseseseseeees 
Mr. Aveustus PeTERMANN on the Temperature of the British Isles, and its 
influence on the Distribution of Plants...........sccecsseserenseccsceoees cntceet neg 
Mr. Joun Puttuips’s Contributions to Anemometry—The Therm-anemometer 
Rev. Prof. PowELL on Luminous Meteors...........secssesecsceesscecessssssseetensees 
Rev. T. RANKIN’s Meteorological Observations made at isegeate: Yorkshire.. 
— on a singular Atmospheric Wave, in February 1849............ 
——__-——-—— on a Phosphoric Phenomenon in a Pond at Huggate, on June 
L1th, 1849 ...cccscccccccecesecscsove ee vcecccccenrvecene eeeececoes ncescecanes eecccccccccccce 
on Magnetized Brass...... So cadacsesduchiesass cn cnsacp eee: seme unmdocaee 
Mr. Georce Rusu on Observations of the Barometer and Thermometer, made 
during several Ascents in Balloons........ Mae ses cstastaana anceh oa see aaees asoejadecsses 
Mr. J. Scotr RussEtt on Recent Applications of the Wave Principle to the 
Practical Construction of Steam-Vessels........ ao bbe catens ap on eneanc em Cramer fod 
Mr. James Lartro’s Specimens of Incombustible Cloth..... ate ncantpes cna Baseseene 
Rev. Dr. THomson on Meteorology considered chiefly in relation to Agriculture 
Mr. Henry Twinrne on Teaching Perspective by Models .......ssecsecesseveesees 




CHEMISTRY. 
Mr. G. Bontemps’s Inquiries on some Modifications in the Colouring of Glass 
by Metallic Oxidesin cin: tiveness nn sasoenenoanecscasedaswsborocesence 
Mr. C. Brooxe on an Improvement in the pepe of Puategeagie Paper, 
for the purposes of Automatic Registration ; in which a long-continued action 
is necessary...... cohitevasee ne atgeeeenecraeen. Doe susWiapey idasteolcehsmdensshesseere Tere 
Mr. A. CLaupEt’s Researches on the Theory of the principal Phenomena of 
Photography in the Daguerreotype Process......... meres Toe Guiee cae sash caeaee ee 
Dr. Dz Vris on the Black Colouring Matter of the Lungs ......-.....+. ieceat aeNe 
M. Ese.men on Artificial Gems............ SCR ers OUCH opioGr Ae eeesiexe voceues Wier 
Professor ForncHHAMMER on the Formation of Dolomite ............sesesesseeeeee 
———_————-— on a New Method of ascertaining the Quantity of 
Ormanic: Matter, ins Water crincismes sade sisievancaseveeweseuteeovsduscies abavciterss ce meNanee 
Mr. J. H. GLapstone on the Compounds of the Halogens with Phosphorus... 
Mr. Samvet Howakp on a continued spontaneous Evolution of Gas at the 
Village of Charlemont, Staffordshire ...........csscecsserecececseeeceeeees Jatenwemess 
Dr. Joun Percy on Copper containing Phosphorus, wit Details of Experi- 
ments on the Corrosive Action of Sea-water on some Varieties of Copper... 
Prof. W. B. Rogers and Prof. R. E. Rogers on the Decomposition and pial 
Solution of Minerals, Rocks, &c. by pure Water and Water charged with 
Carbonic Acid.,........ seas SORE LE LEE Pree cence wattage lecnateetaneess 
Prof. ScHRoETTER on the Allotropic Condition of Phosphorus.......s.sseeseeeees 


