& The Readers of The Philosophical Journal are respectfully in- 
formed, that with the concluding Number of this and future 
Volumes, an extra Title-page will be given, to enable them to 
preserve their Series without a chasm. 
a ee a RS NT 
CoNTENTS OF NuMBER 189. 
Page, 
I. Description of a new Transit Instrument. By Sir ee C. Enctie- 
FIELD, Bart. F.R.S. F.S.A. &c. &c. &c. - o ays 
II. On the French Measures and Weights - = = “19 
III. On the Treatment of Burns and Scalds. eh Mr. Ricwarp 
Waker, Surgeon and Apothecary, Oxford - 8 
IV. On the Agency of Electricity in constituting the pacalaay Pro- 
perties of Bodies, ard producing Combustion. By Mr. Joun WessTER 17 
V. On Electricity. By Georce Joun Singer, Esq. : 20 
VI. New Outlines of Chemical! aah eee ty: ey: Ez. Wane Bs, 
of Lyna, Norfolk - a2 
VIJ. Observations on a Fiery Meteor. ByT. Hdetians Esq. - 26 
VIII. Notes and Observations on the remaining part of the Sixth 
and part of the Seventh Chapters of Mr. Ropert BakEwetv’s “ In- 
troduction to Geology ;” embracing incidentally, several new Points of 
Geological Investigation and aes By Mr. Joun itweets: Sen., 
Mineral Surveyor - 24 
IX, On the Formation of Fat i in the Laren of ee. Antuale 
By Sir Everarp Homg, Bart. Presented by the Society for promoting 
the Knowledge of Animal Chemistry - - - = 35 
X. AnAttempt to determine the definite and simple Proportions, 
in which the constituent Parts of unorganic Substances are united 
with each other. By Jacos Berzexius, Professor of Medicine and 
Pharmacy, and M.R.A. Stockholm 42 
XI. The Discovery of the Atomic ‘heory claimed for Mr. Hiceins, 
By Joun Nasu, Esq. 5 . s 54 
XII. Preparation of the lately discovered new Sistanee called long, 
which possesses the singular Property of becoming converted into a 
beautiful violet-coloured Gas by the mere Application of Heat. Com- 
municated by Mr. Frepricx Accum in a Letter to the Editors - $7 
XIII. Account of the new Substance discovered yee Ceusaes 
and called long 58 
XIV. On the Discoloration of silver bya hard- boiled Ege. By Mr. 
J. Murray, Lecturer on Experimental Philosophy 62 
XV. A Mathematical Question. By Sir H. C. Bxovariate, Bart. 
F.R.S. F.A.S., &c. &c. 63 
XVI. On the Quantities of Heat developed in the Gindeneaulon 
of the Vapour of Water, and in that of Alcohol. By Bensamin 
Count RuMFORD 8 ° - 64 
XVII. Proceedings of Learned Societies :— Royal Society - 69 
XVIII. Intelligence and bs aun a Articles :—Patents, and 
Meteorological Tables. =i - - 70—80 
*,* Communications for this Work, addressed to the Editors, Pickett- 
Place, Temple Bar, will meet with _every attention. 
