408 Cerrespondence. 
geological structure, the agricultural resources, or the Fauna and Flora 
of the state.* 
Gen. Bernard’s report of a survey by a corps of topographical en- 
gineers fora practical object, contains the greatest number of details, as 
well as the most reliable, upon the general features of Florida, that I 
have seen. In making these notes I shall draw somewhat from this re- 
port, especially as to measurements. From the southern boundaries of 
north to south, terminating at the above-mentioned line. ‘The height 
the land rises very gradually and, without instruments, one is wholly 
deceived. The highest elevation is situated one mile west of Kinsley’s 
pond and seven miles east of Sampson’s pond, and is two hundred and 
thirty seven and one-half (2373) feet above low tide in the Atlantic 
ean. e are other points on this ridge between 150 and 
feet high; and, distant only a few miles west of St. John’s river, | have 
to the substratum of limestone crumbling or being undermined from 
some cause v 
result was obtained by a repetition of this same levelling. The fact Is 
quite interesting in connection with the phenomena of the Gulf Stream. 
* Buckingham Smith, Esq., is now engaged upon a detailed history of Florida, 
as I understar Th oak i eis ‘ikon to consult ancient documents 
relative to its P 
ysi will ensure from him a most valuable work, But it is h 
gislature of this state will soon take measures for having a careful 
vey of Florida, by a competent geologist and naturalist. 
