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 olefiant 
