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[COMMUNICATED] 
The following address was received by Capt 
Symmes through the Post Office, some time 
Cincinnati , Ohio , 5thJ\ov. 1819. 
DEAR SIR, ^ L , , r 
I acknowledge myselftobea firm beneverin 
your Theory of the Earth, and were I not an 
obscure stranger would give you my name in 
testimony of my sincerity. 
I j believe it, because it is consistent with 
the economy which the Creator of the Uni¬ 
verse has established in all his works. 
2 . 1 believe it, because it can be proved by 
natural appearances and defended and support¬ 
ed upon philosophical principles. 
REMARKS. 
The ideas of Copernicus, relative to the solar 
system, were by mankind considered more er¬ 
roneous, when he first promulgated them, than 
yours relative to this subject, are at the pres¬ 
en' day. 
The ideas of Columbus relative to the exis f 
ence of the great Western Continent, which h 
afterwards discovered, were regarded, wire' 
lie first published them, as the phantacies of u 
disordered brain. 
I hope you will persevere in your praiswor 
thy undertaking—1 should be pleased to see ah 
your proofs collected together and published 
in a volume. The detached parts in which 
your principles have been given to the public, 
render it extremely difficult and almost impos- J 
sible to ar -e at. * true knowledge of your 
meaning. his difficulty would be obviated by ; 
a compilation of ail yom researches, which the j 
public would be highly gratified, in my opin • 
ion, to possess, and would facilitate in a great' 
degree the furtherance of your design. 
To Capt. J. C. Synames. 
