CONTENTS. 



On the ''Fixed OiloflJ^me;" and on the Light emitted by m«- 



tallic Wires ofloiu Temperature Jv certain volatile Media. 20^ 



Remarks nn Mr. Trend's " Evening Amusements." . . 210 



On the Erhih'tion and Harmonic Effects, of The Rev. Mr. Lis- 



ton's I nharmnnic Organ. .. .. .. .. 213 



Notice on the Origin and Practice of the new Invention of Li- 

 thography. .. . .. .. •• •• 21^ 



Remarks on a Paper by Mr. Dalton on the Chemical Com- 

 pounds of Azote and Oxygen, &c. . . . . 24 1 



Answers to the Geological Queries, &c. . . . . 25U 



On the Length of the Seconds Pendulum, &'c 25f> 



On the Prijiciple\ of Beauty in Colouring. . . . . 262 



A further Actotmt of the Exhibition and Harmonic Effects (f 

 the Rev. Mr. Liston's large Euliarmonic Organ with Con}- 

 pound Stops. , . . . . . . . . . . 2(r'? 



Observalionson Equation of Payments ; tending to prove that th." 



generally -re reived Rule ofMnlcolm is not correct. . . 2G!^ 



Answer to Objections against Mr. Horn's Theory rf Fision. 273 



On the Priority of the Transmission nf Cow -pock Mailer if> 



America. . . . . . . . . . . • . 277 



On a new Mode of preparing arsenical ed Hydrogen Gis ; uAtn 



the last Experiments of Geulu^ on this Subject. .. 2S0 



On Animalcules, — particularly on the Polypes. . . 283 



On a Coffee- Simmer er. . . . . . . , . 2iS-* 



Analysis of a vegetable colouring Matter. . . . . 290 



Answer to Mr. Farley; with cursory Remarks on the Blotv-fnpj 

 and Safety-lamp. . . . . . . . . . . 29t 



Observations on the Solution of Exponential Equations. 32 1 



Analysis <f the Labours of the Royal Academy of Sciences of 



the Institute of France during the Year 1816. . . 323 



On the Ratio which exists betwixt the Velocities of Bodies in 



motion, in Fluids; and the Power required to maintain such 



Velocities. . . . . . . . . . . • . 34(> 



Description of an Instrument by which the Moon's Distance 

 from the Sun or a fixed Star may be cleared from the Effect, 

 of Rejrartion and Parallax, ^i:. .. ., .. 347 



New Outlines of Chemical Philosophy. . . . . 350 



Description of an oeconornical culinary Stove. .. 354 



ASupplamenlary Table of Musical Intervals. . .. 3G0 



On the N-jmenclature of Musical Intervals. .. ., 3(S2 



Summary of Meteorological Observations at Paris in 1816 368 

 On Chain Bridges. . . . . , . . . ., 37 1 



On the Strata of Northumberland and Durham- . . 401 



I'.xp'jriments relative to the Action of Hydrochloric Acid upon 



Mixtures of Tin and Antimony, . . . , . . 402 



