CONTENTS 



OF 



THE QUARTERLY JOURNAL, 



N". XXVI. 



ART. PAGE 



L On the Desquamation of certain Rocks, and on its Con- 

 nexion with the concretionary Structure. By J. M.4C 

 . CuLLocH, M.D., F.R.S 237 



II. Account of an Instrument for determining the Specific 



Gravities of Solid Bodies. By H. Creigiiton, Esq. 257 



III. A Review of some of the General Principles of Phy- 

 siology, with the Practical Results to which they have 

 led. By A. P. W. Philip, M.D., F.R.S., Edinb.. . 261 



IV. On Soda Alum, in a Letter from Dr. Ure to Dr.WoL- 



LASTON, V.P.R.S 276 



V. A Translation of Rey's Essays on the Calcination of 



Metals, &c. Translated by John George Children, 

 Esq., F.R.S. , &c. — (concluded) 278 



VI. On the Separation of the Proximate Principles of 

 Animal Substances. By W. T. Brande, Sec. R.S., 

 and Prof. Chem. R. I 287 



VII. An Account of the Periodical Literary Journals which 

 which were published in Great Britain and Ireland, 

 from the year 1681, to the middle of the Eighteenth 

 Century. By Samuel Parkes, F.L.S., M.R.I., 

 Soc. Amer. Socius, &c. &c. — {concluded) 289 



VIII. On Prussic Acid. By Andrew Ure, M.D., F.R.S. 312 

 Vol. XIH. a 



