CONTENTS 



OF 



THE QUARTERLY JOURNAL, 



No. XXXII. 



ART. PAGE. 



I. A short Account of the Origin, Progress, and present State of the 



various Establishments for conducting Chemical Processes, and 

 other Medicinal Preparations, at Apothecaries' Hall. (With a 

 Plate.) 193 



II. Remarks on the Numerical Changes of the Population of Great 



Britain, as divided into the Classes of Agriculturists, Manufac- 

 tures, and non-productive Labourers, during the period from 1811 

 to 1821. By George Harvet, Esq., M.G.S., M.A.S., &c, &c, 

 (With a Plate.) 233 



III. On the Herring. By J. Mac Culloch. M.D., F.R.S. . . . 204 



IV. Anew Demonstration of Tayl6i's Theorem. ByEmr.WiL- 

 mot, Esq., T.C.D 228 



V. Historical Statement respecting the Liquefaction of Gases. By 



Mr. M. Faraday, Cor. Mem. Royal Acad. Paris, Chem. Assist. 



in the Royal Institution, &c 2S9 



I 



VI. Lamarck's Genera of Shells, — concluded. (With a Plate.) . . 241 



VII. Experiments on the Proportion of Charcoal obtained from 

 Woods having a greater Specific gravity than Box. By Mr. T. 

 Griffiths : 264 



VIII. Description of Mr. Rider's Rotatory Steam-Engine. (With a 

 Plate) 2GG 



IX. Observations on the Modern Theory of Physical Astronomy. 



By John AValsh, Esq 270 



Vol. XVI. b 



