161 
Mercurial Air Exhauster,” by J. P. Joule, D.C.L., LL.D., F.R,S., 
&c., President. 
“ On the Influence of Acids on Iron and Steel,” by William H. 
Johnson, B.Sc. 
“On Crystalline Sublimed Cupric Chloride,” by S. Carson 
(Student in the Laboratory of the Owens College). Communicated 
by Professor H. E. Roscoe, F.R.S. 
“Memorandum on Brown-stapled Cotton,” by Major R. Trevor 
Clarke. Communicated by Dr. E. Schunck, F.R.S., V.P. 
“ On the Graphical Representation of the Movements of the 
Chest Wall in Respiration,” by Arthur Ransome, M.D., M.A. 
January 19th, 1874. — “On the Similarity of Certain Crystal- 
lised Substances to Vegetable Forms,” by Joseph Sidebotham, 
F.R.A.S. 
January 1874. --“On a Source of Error in Mercurial 
Tliermometers,” by Thomas M. Morgan, Student in the Laboratory 
of Owens College. Communicated by Professor H. E. Roscoe, 
F. R.S. 
“Notes on Fossil Lithothamnia (so-called Nulliporee),” by 
Arthur Wm. Waters, F.G.S. 
February ^rd, 1874. — '“On the Theory of the Tides,” by David 
Winstanley, Esq. 
“Rainfall at Old Trafford, Manchester, in the year 1873,” by 
G. V. Vernon, F.R.A.S., F.M.S. 
February 10^7^, 1874. — “The Northern Range of the Basques,” 
by W. Boyd Dawkins, M.A.,- F.R.S., F.S.A. 
February 247/i, 1874. — “On the Drainage of Churchyards and 
Burial Grounds,” by E. W. Binney, F.R.S., F.G.S., V.P. 
“ On the Effect of Acid on the Interior of Iron AVire,” by Pro- 
fessor Osborne Reynolds, M.A. 
“ On the Movements of the Chest in Respiration,” by Dr. 
Ransome, M.A. 
March 2>rd, 1874, — “Results of Rain-gauge Observations at 
Eccles, near Manchester, during the year 1873,” by Thomas 
Mackereth, F.R.A.S., F.M.S. 
March \^th, 1874. — “On Professor Renault’s Memoir on Speci- 
mens of Fossil Plants of the Genus Myelopteris,” by E. W. 
Binney, F.R.S., F.G.S., YM. 
