years, i 
I have not yet had an opportunity to look for sac geological 
7k 
reports of the Antilles. I suppose, however, that this is the 
same limestone formation, which the negroes in Guadaloupe very 
appropriately call “God’s masonry,” and which is so evidently a 
formation of modern time, since it encloses instruments made 
man, and even those once celebrated, supposed fossil human 
skeletons. 
ing, all along the coast, the same banks of corals; and in the | 
Hyde, of New England, a zealous and experienced conchologist by 
collected many of the Jamaica land-shells, which were described by the 
ms, tells me that he found this limestone, particularly in the northern — 
