1G2 



floated on the solution, and which appeared to differ from that obtained 

 as first mentioned. 



Dr. Hare made these observations, and those previously communi- 

 cated respecting the hyponitrite of methyl, by the aid of a small quan- 

 tity of pure pyroxylic spirit, supplied to him by his friend Dr. Ure, and 

 regretted that both ill health and the exhaustion of his stock of spirit 

 had prevented him from making further observations and experiments, 

 tending to decide whether the ethers obtained, as he had described, 

 were either or both hypochlorites, or whether mercury entered into 

 the composition of the heavier ether. This ihere was some reason 

 for believing; since, when boiled to dryness at a high temperature, 

 a reddish residuum was apparent, which being redissolved, and a 

 small strip of copper immersed in the resulting solution, a minute 

 deposition, apparently metallic, was observable. 



Dr. Dunglison drew the attention of the Society to the sub- 

 ject of a monument to Mr. Vaughan, on which resolutions had 

 been passed on the occasion of Mr. Vaughan's death; where- 

 upon, on motion of Dr. Chapman, a Committee was appointed 

 to carry the resolutions into effect. Committee, Dr. Chapman, 

 Dr. Dunglison and Mr. Kane. 



Mr. Kane reminded the Society of its pledge to appropriate 

 a certain sum of money for the Magnetic Observatory; where- 

 upon, on motion of Dr. Chapman, it was resolved that the 

 Committee, having charge of the subject, pay over the sum of 

 one hundred and ninety dollars, now in their hands, for the 

 use of the Magnetic Observatory. 



Stated Meeting, April 15. 



Present, thirty-seven members. 



Mr. Du Ponceau, President, in the Chair. 



A letter was read from the Corporation of the University of 

 Cambridge, Mass., dated 11th April, 1842, acknowledging the 

 receipt of Vol. VIII. Part 1, of the Society's Transactions. 



A letter was also read from Isaac Elliott, Esq. addressed to 

 Mr. Kane, enclosing an account against the Society for one 



