iv CONTENTS. 
Page 
Mr. Fortetr Oster’s Account of a new Registering Anemometer and 
Rain-Gauge, now at work at the Philosophical Institution at Birming- 
ham, with Diagrams giving a condensed View of the Observations re- 
corded during the first eight months of the year 1837. ....scscesereseeeress 
Mr. Birt’s Suggestions as to the probable Causes of the Aérial Currents 
of the Temperate Zones. .....ssssescesserseeenseceees to eeeesecncecrsssccescosaces 
Mr. W. J. Henwoop on the higher Temperature which prevails in 1 the 
Slate than in the Granite of Cornwall. ....ssssssssecsssseccassenceencececeees 
Statement of the Proceedings of the Meteorological Committee, consisting 
of Prof, Forses, Mr. W. < Harris, Prof. PowEtt, Lieut.-Col. Sykes, 
and Prof. Pures, during the past year. ........4. eostesacecaensnes aceeeeee 
Mr. James Cunninenam on a Method of constructing Magnets.......++.++ 
Colonel C. Gotp on the possibility of effecting Telegraphic or Signal 
Communications during Foggy Weather, and by Night in all Seasons. 
Lieutenant Morrison on an Instrument for Measuring the Electricity of 
the Atmosphere. ....... Spidtop at nas’ ana sdebts «sing dceceemaaaee wneons senna neue utes 
CHEMISTRY. 
Professor Lizerc on the Products of the Decomposition of Uric Acid. 
Extracts from a Letter received by Dr. Datron from Professor Hare. 
Mr, T. Tuomson on the Specific Heats of Nitric Acid and Alcohol....... 
Professor Minter on the Unequal Expansion of Minerals in different di- 
rections by Heat. ...... Devok du danaduaeensper <paceeasaaeseees seabcae sueinceneesugear 
Mr. Gotptxe Brrv’s Observations on the Crystallization of Metals by 
Voltaic Action, independent of the proximity of metallic electrodes. ... 
Mr. R. Matter on the formation of Crystallized Metallic Copper in the 
shafts of the Cronebane Copper Mine, County Wicklow, Ireland, and 
of native Sulphate of Iron and Copper on the same locality.........se0e.0 
Dr. Arsoun on a new Chemical Compound. .........csecsecereeeeeaee vevecaees 
Dr. Arsoun on a new Variety of Alum....... suaseaneanans eaeaeeeeee ee seneeeeance 
Mr. E. Davy on a new Gaseous Compound of Carbon and Hydrogen. ... 
Mr. Roser Rice’s Outline of an experimental Inquiry into a peculiar Pro- 
perty of the Earth; the chemical Changes which occur during the ger- 
mination of Seeds; the vegetation of Plants; the formation of vegetable 
products ; and the renovation of the Atmosphere ; ; with some Observa- 
tions on the ultimate analysis of Organic Compounds ;_ the whole being 
in connexion with a series of investigations into the decomposition of 
Vegetable. Matter......,0scccsscsccsessocssancstessrsvsesess Bivarece<ccute dopepades 
Professor Jounston on a Variety of Oipernites tee dibs eee 
Professor Jounston’s New Compound of Nitrate with Oxalate of Lead... 
Dr. Kane on a Series of Compounds obtained from Pyroacetic Spirit. 
Mr. G. Crane on the Smelting of Iron with Anthracite Coal.... .. Scene eee 
Dr. Arnot on Safety Lights for Mineu, <a. .-<dolette voit: ion Shea 
Mr. D. Musuer on the Waste experienced by Hot and Cold Blast Tron 
during the process of Refining. .......cccsecsseeseccersececeesecees po Ee 
Mr. J. B. Harrtey on Preventing the Corrosion of Cast and Wrought 
Pron immersed im Salt, Wate... se<asccsqsecesesnssosesesseonenss Sspsenee nea 
Mr. W. Errricx on Browning Gun Barrels.......... SERRE BS Fes ‘ 
Dr. Cuarke on a Method of Facilitating the Calculations of Gases. cosess 
Dr. AnpREws on some Singular Modifications of the Ordinary Action of 
INinic Acid onycertain Metals.” <.....sc0s-s0csacseeeneasces=ns +0 conuaaauna teece 
Dr. Traitt on an Antimonial Compound applicable as a Pigment.....s00.. 
Dr. Datron on the non-production of Carbonic Acid by Plants growing 
in the ‘AGMOSpHEre. T. oc ccsecscnescccancnardoaneaaamelmncsedconesssscepsnnneeayan 
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