Dr. Thomson's Analysis of Ceradia Resin. 15 



Calculated according to the formula C, H 7 O, or C* H» 4 , the result 

 would be as follows: — 



Carbon, . ' . . 80*00 



Hydrogen, . . . 933 



Oxygen, . . . 10*67 



10000 



After being heated in the water bath for some weeks, the resin still 

 continued to emit an odour. It was then pulverized, and again 

 heated somewhat higher, when it speedily gave out fumes, and lost its 

 smell entirely. Its composition was then found to be as follows: — 



6*52 grains gave, with Oxido of Copper and Chlorate of Potash, 

 15*89 Carbonic Acid. 

 5*02 Water. 



which are equivalent to 



Carbon, .... 66*46 

 Hydrogen, . . . 8*55 



Oxygen, .... 24-99 



Calculated according to the formula 



C <0 » Hao, O,, 



its composition will be 



Carbon, .... 67*03 

 Hydrogen, . . . 8*37 



Oxygen, .... 24*60 



Dr. Balfour exhibited the spatha of a palm called Manicaria sacci- 

 fera, which he had received from Demarara. The laws of the Society, 

 as amended by the Council, were read, and a copy laid on the table 

 for the scrutiny of the members. 



19*A February, 1845. — The President in the Chair. 



Messrs. James Stevenson and James P. Hamilton were elected 

 members. The mortality bills of London for the last quarter of 1844 

 were presented, also the quarterly tables of mortality in 150 districts 

 of England. Tho following report from the Botauical Section was 

 read: — 



January 13$, 1845. — The Section held its first meeting for the 

 Session, Professor Balfour in the Chair. Dr. R. D. Thomson pro- 



