107 



April 2ndy 1861. — " Remarks on the Temperature of the Earth's 

 Crust, as Exhibited by Thermometrical Observations, obtained during 

 the Sinking of the Deep Mine at Dukinfield," by William Fairbairn, 

 LL.D., F.R.S., &c. 



" Brief Notes on the Nature and Action of Steam in Relation 

 to Boiler Explosions," by J. C. Dyer, Esq. 



April 2ndy 1861 " On Meteorological Observations and Ob- 

 servations of the Temperature of the Atlantic Ocean, made on runs 

 from Liverpool to Gibraltar, and from Gibraltar to Liverpool, in 

 September, I860," by Thomas Heelis, F.R.A.S. 



" On the Irregular Oscillations of the Barometer at Lisbon," by 

 G. V. Vernon, F.R.A.S. 



^pril \6th, 1861 " Theorems on Groups," by the Rev. T. P. 



Kirkman, M.A., F.R.S. 



" On the Production of Graphite by the Decomposition of 

 Cyanogen Compounds," by Dr. P. Pauli. Communicated by Pro- 

 fessor Roscoe. 



Several of these have been ordered to be printed, and will 

 be published in the forthcoming Volume of Memoirs, which 

 will also contain several Papers read before various Sections. 



The most important event, bearing on the interests of the 

 Society, which has taken place during the past year, is the 

 abolition of the old set of rules, which had been in force since 

 the year 1852, and the enactment of an entirely new code. At 

 the close of last Session, a Committee was appointed by the 

 Council, with the approval of the Society, for the purpose of 

 revising the old rules. This Committee met several times, 

 and after lengthened discussion, agreed to a draft, which was 

 presented to the Council and discussed by them. Another 

 draft, embodying most of the alterations suggested by the 

 Committee, was soon afterwards laid before the Council by 

 two of its members. Both in regard to its form and many of 

 its provisions, the latter was considered to be so far superior 

 to the previous one, that it was resolved to take it into con- 

 sideration at once, and lay the other aside. After being dis- 



