125 



January ilth, 1873. — " Description of Minerals and Ores from 

 Venezuela," by John Plant, F.G.S. 



Fehruary Uh, 1873. — " On some Specimens of Asterophyllites," 

 by Professor W. C. Williamson, F.R.S. 



"On a large Meteor seen on February, 3, 1873, at 10 p.m.," by 

 Professor Osborne Reynolds, M.A, 



*'Note on Meta-Vanadic Acid," by Dr. B. AV. Gerland. Com- 

 municated by Professor Roscoe, F.R.S. 



"Experiments on the Question of Biogenesis," by William 

 Roberts, M.D. ' 



February 18th, 1873. — "Account of Improvements in an Air 

 Exhausting Apparatus," by J. P. Joule, D.C.L.,LL.D., F.R.S., &c., 

 President. 



" Notes on supposed Glacial Action in the Deposition of Hema- 

 tite Iron Ores in the Furness District," by William Brockbank, 

 F.G.S. 



"The Results of the Settle Cave Exploration," by W. Boyd 

 Dawkins, M.A., F.R.S. 



February 2Uh, 1873. — " On the occurrence of Unio tumidus in 

 the Manchester district," by Mr. Hardy. 



March ith, 1873. — "Monthly Fall of Rain, according to the 

 North Rain Gauge at Swinden, as measured by ]\lr. James Emmett, 

 Waterworks Manager, Burnley, from January 1st, 1866, to Dec. 

 31st, 1872," by T. T. Wilkinson, F.R.A.S. 



" On Ball Discharge in Thunderstorms," by Mr. S. Broughton. 



" On Specimens of Iron manufactured by the old Bohemian 

 Process, from Hematite Ores in the South of Europe," by W. 

 Brockbank, F.G.S. 



"On a Change in the Position of the Freezing Point of a 

 Thermometer," by J. P. Joule, D.C.L., LL.D., F.R.S., kc, Pre- 

 sident. 



" On the Influence of Acids on Iron and Steel," by William H. 

 Johnson, B.Sc. 



March ISth, 1873. — "On the Quality of the Water supplied to 

 Manchester," by E. W. Binney, F.R.S., F.G.S. 



" Observations on the Rate at which Stalagmite is being accu- 

 mulated in the Ingleborough Cave," by W. Boyd Dawkins, M.A., 

 F.R.S., F.G.S. 



