175 
“ On the Cotton Trade a Century ago, being further extracts 
from the memorandum book of Mr. George Walkei’, one of the 
original Members of the Society,” by E. W. Binney, F.R.S., F.G.S., 
President. 
March 21 st, 1871. — “On the Mechanical Equivalence of Heat,” 
by the Rev. H. Highton, M.A. 
“ On Mi-. Highton’s objections to the Mechanical Equivalent of 
Heat,” by John Hopkinson, D.Sc. 
“ Examples of the Performance of the Electro-Magnetic Engine,” 
by J. P. Joule, D.C.L., F.R.S., &c., V.P. 
March 27th, 1871. — “ On some Logs of Oak found in the Inyell 
Valley Gravels,” by John Plant, F.G.S. 
April Mh, 1871. — “On the Production of Cotton a Century 
ago.” Extracted from a memorandum book of Mr. George Walker, 
one of the original Members of the Society, by E. W. Binney, 
F.R.S., F.G.S., President. 
“ Arsenic in Pyrites and various Products,” by H. A. Smith. 
Communicated by Professor Roscoe, F.R.S. 
“On Human Bones obtained from a cave near Llangollen, and 
from a chambered tomb at Cefn, near St. Asaph,” by W. Boyd 
Dawkins, F.R.S. 
“Description of some Experiments on the Method of propelling 
Balloons, illustrated by a Model,” by Professor Osborne Reynolds, 
M.A. 
“ Notes on the Drift of the Eastern Parts of the Counties of 
Chester and Lancaster,” by E. W. Binney, F.R.S., F.G.S., President. 
The printing of the fourth volume of the Society’s third 
series of Memoirs has been completed, and a new volume 
has been commenced. Some of the papers in the above list 
have already been passed for printing in this volume. 
During the session now ending an important alteration 
has been made in the terms of admission of Sectional 
Associates, the annual subscription having been reduced 
from one pound to ten shillings, except for those Associates 
who wish to make use of the Society’s Library, who will 
still continue to pay a subscription of one pound per annum. 
