XXvVIi. 
6. The Rate of Increase of Underground Temperature downwards 
in various localities of Dry Land and under Water. 
7. The Rate of Erosion of the Sea Coasts of England and Wales, 
and the Influence of the Artificial Abstraction of Shingle 
or other material in that action. 
8. Considering the advisability and possibility of establishing in 
other parts of the country Observations upon the Prevalence 
of Earth Tremors similar to those now being made in 
Durham in connection with Coal Mine Explosions. 
g. Ascertaining the Localities in the British Islands in which 
Evidences of the Pre-historic Inhabitants of the Country 
are found. 
The Hon. Secretaries will gladly supply information on any of 
these points. 
LIBRARY. 
A List of Books, &c., received from the Exchanging Societies is 
given, and members may have the use of them on payment of 
carriage. Application may be made to the Librarian (R. Crow- 
der, Esq., Stanwix) through the Local Secretary. 
Tue CIRCULATING LIBRARY. 
The Library is now an accomplished fact. The Rules are as 
follows :— 
1. That the Books be lent only to Members, who must apply 
to the Librarian through the Local Hon. Secretary; or, in the case 
‘of Association Members, to the Librarian direct. 
2. That the books be kept for a period not exceeding a month, 
unless by permission of the Librarian. 
3. That not more than Six Books be sent to each member at 
one time, unless the series contain a larger number, when the 
Librarian will exercise his discretion, 
