88 



to occur some hours after noon, it being also strong at noon ; 

 whilst Mr. Clarke usually found it almost evanescent at that 

 period. These differences, the author conceives, may arise 

 from difference of climate, or imperfect insulation of the 

 instruments. 



Mr. Clarke believes the electric intensity exhibited by 

 the various clouds to be in the following order : 



The nimbus, the cumulo-stratus, the cumulus, the stratus, 

 the cirro-stratus, the cirro-cumulus, and the cirrus. 



DONATIONS. 



Asiatic Researches, Vol. XIX. Part 1. Presented by 

 the Asiatic Society. 



The London Medical and Surgical Journal, for April, 

 1837. Presented by the Editor. 



June 26. 



Rev. B. LLOYD, D. D., Provost, T. C. D., President, 

 in the Chair. 



Matthew O'Conor, Esq., was elected member of the 

 Academy. 



Professor Liebig, of Giessen, was elected honorary 

 member of the Academy. 



A paper was read, " on a new Gaseous Compound of 

 Carbon and Hydrogen." By Edmund Davy, Esq., F.R.S. 

 &c, Professor of Chemistry in the Royal Dublin Society. 



This compound was procured by the action of water on 

 a black substance obtained by exposing a mixture of cream 

 of tartar and charcoal powder to a strong heat in an iron 

 bottle. The gas is highly inflammable, and when kindled 

 in contact with air, it burns with a bright white flame, ap- 

 parently denser and of greater splendour than even defiant 



