[ 22 9 ] 
ten inches deep, will be moidned by it when melted; 
rivers, and fprings recruited, as much as if a quantity 
of rain had fallen that covered the furface of the 
earth to the depth of one inch. 
I am, my Lord, 
with the greated refpedt, 
your Lordfhip’s mod; obedient 
and mod devoted humble fervant, 
Alex. Brice. 
Received June 5, 1766. 
XXVII. Some Obfer vat ions on the Country 
and Mines of Spain and Germany, with an 
Account of the Formation of the Emery 
Stone \ from William Bowles, Efq\ Direc- 
tor General of the Mines of Spain ; com- 
municated by P. Collinfon, F. R. S. 
Read June 19, ik T the extremity of Old Cadile, in 
1766. Spain, is fituated a territory called 
Montana, which is divided into two parts ; the Low 
Montana is that chain of mountains, which bounds 
the 
1 
