68 Notice of some recent additions to Chemistry. 



The members of the Society then proceeded to ballot for Office- 

 Bearers, when the following were elected for the session 1842-43: — 



<©tSce=1Searer9. 



Prbsidknt.— -Professor Tuomas Thomson, M.D., F.R.S., L. & E. 



Vice-President, "Walter Crum. | Secretary, Alexander Hastie. 



Treasurer, Andrew Liddell. | Librarian, Thomas Dawson. 



A. Anderson, M.D. 

 J. H. Balfour, M.D. 

 A. Buchanan, M.D. 

 J. FiNDLAT, M.D. 



Professor Gordon. 

 William Gourlie. 

 J. J. Griffin. 

 Alexander Harvey. 



F. Penny, Ph. D. 

 John STENH0USE,Ph.D. 

 James Thomson. 

 R. D. Thomson, M.D. 



UifirarB (Committee. 



Messrs. W. Crum; A. Hastie; T. Dawson; James Thomson; F. Penny, Ph.D.; 



J. Findlay, M.D.; Professor Gordon; J. H. Balfour, M.D,; and 



R. D. Thomson, M.D.— Thomas Dawson, Convener. 



QTonbeners of Sections. 



Section A.— Agriculture, Statistics, and Domestic Economy. 



Convener,— William Murray. 

 Sub-Conveners,— James Smith; Alexander Watt. 



Section B.—CIiemistry, Mineralogy, and Geology. 



Convener,— John Stenhouse, Ph. D. 



Sub-Conveners,— Alexander Harvey; R. D. Thomson, M.D. 



Section C— Physics, including Mechanics and Engineering, 



Convener,— Professor Gordon. 

 Sub-Conveners,— F. Penny, Ph. D.; James Buchanan. 



Section D.— Physiology and Natural History. 



Convener,— J. H. Balfour, M.D. 

 Sub-Conveners,— A. Anderson, M.D.; J. Findlay, M.D. 



30^A November, 1842, — The President in the Chair. 



Messrs. James Hill, William Spans, David Wharton, Robert B. 

 Finlay, and James Couper, were admitted Members. 



Mr. James Thomson, C. E., presented two Numbers of the Transac- 

 tions of the Society of Arts of Edinburgh, in exchange for the 

 Proceedings of the Philosophical Society. 



Dr. Stenhouse read a communication On Astringent Substances, to 

 be inserted in the Transactions of the Chemical Society of London. 



The following Report was then read : — 



XXI. — Notice of some recent additions to Chemistry. 



There is no object in nature to which the attention of all deserves 

 to be more closely directed than the atmosphere, if we were only to 

 reflect that its absence for a few minutes would destroy all animal 

 existence. Yet, strange as it may appear, the composition of common 



