PROCEEDINGS 
OF THE 
GEOLOGICAL AND POLYTECHNIC SOCIETY 
<&t tjje WtQt Ettas of gorksfjtre, 
AT THE FIFTY-THIRD MEETING, HELD IN THE 
CUTLER'S HALL, SHEFFIELD, ON WEDNESDAY, DECEMBER 14TH, 1859, 
AT TWELVE O'CLOCK AT NOON. 
Earl Fitzwilliam, Yice-President, in the Chair. 
The following noblemen and gentlemen were elected 
Members of the Society : — His Grace the Duke of Leeds, 
Viscount Milton, Sir J. W. Ramsden, Bart, M.P., Robert 
John Bentley, Esq., Finningley Park, Uriah Tinker, Esq., 
of Holmfirth, and Thomas Shaw Tinker, Esq., of Holmfirth 
On the motion of Thomas Wilson, Esq., V.P., seconded by 
H. C. Sorby, Esq., F.R.S., it was resolved, ' ' That the 
Geological and Polytechnic Society do join the proposed 
union of the Yorkshire Philosophical and Literary Societies. ,, 
The Chairman called upon Henry Clifton Sorby, Esq., 
F.R.S., to read the first Paper : — 
ON THE TEMPERATURE OF THE SPRINGS IN THE NEIGHBOUR- 
HOOD OF SHEFFIELD. BY H. C. SORBY, ESQ., F.R.S., &C. 
My principal object in writing the following Paper is to 
show what is the mean annual temperature at various eleva- 
tions in the neighbourhood of Sheffield, as ascertained from 
