On Lime and Maris. 211 



zeolite, marine shells, and calcareous matter. Great 

 bodies of limestone, are often found in contiguity, or in 

 its vicinity. I am not competent to say whether the 

 ivhyn-stone, does or does not contain sulphuric acid. 

 A species of the basalt, m Ireland, is used in cement ; 

 instead oipnzzolan^ with equal effect. 



Richard Peters. 

 August, 1813. 



