167 



Jan. 23. — " On a Crystal of Selenite from the mud dredged out of 



the Suez Canal," by E. W. Binney, F.R.S., F.G.S., 



President. 

 " On' Mineral Wool, and on the Utilisation of Slag," 



by W. Brockbank, F.G.S. 

 " A Study of certain Tungsten Compounds, by Professor 



H. E. RoscoE, Ph.D., F.RS., &e. 

 Feh. 0. — " On the Theories of the Origin and Spread of Typhoid 



Fever," by Joseph Sidebotham, F.R.A.S. 

 Feb. 6. — '' On the Magnetic Disturbances and the Aurora of 



February 4th, 1872," by J. P. Joule, D.C.L., 



F.R.S., V.P. 

 " On the Aurora of February 4th/' by Mr. Thomas 



Harrison. 

 " Note on the Destruction of St. Mary's Church, 



Crumpsall, on the 4th January, 1872, by Fire from 



a Lightning Discharge," by Joseph Baxexdell, 



F.R.A.S. 

 "On a Group of Crystals of Calcite and Sulphide of 



Iron suiTounding Stalactitic Bitumen," by W. Boyd 



Dawkins, F.R.S. 

 " On the Boiling Points of the Normal Paraffins and 



some of their Derivatives," by C. Schorlemmeb, 



F.R.S. 

 Feb. 20. — " On a Specimen of Zi/gopteris Lacattii,''^ by E. W. 



Binney, F.R.S., F.G.S., President. 

 " Experiments on the Polarization of Platina Plates by 



Frictional Electricity," by J. P. Joule, LL.D., 



F.R.S., V.P. 

 " On an Electrical Corona Resembling tlie Solar 



Corona," by Professor Osborne Reynolds, M.A. 

 '* On the Electro-Dynamic Effect the Induction of 



Statical Electricity causes in a Moving Body. 



The Induction of the Sun — a probable cause of 



Terrestrial Magnetism," by Professor Osborne 



Reynolds, M.A. 

 Feb, 26. — " On Shells of Mollusca showing so-called Fungoid 



Growths," by Mr. Mark Stirrup. 



