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UNITED STATESi 



stances so petrified, imust have been brdiight to tlic 

 spot. But col. Williams, of the American arm}'^, in 

 a recent communication to the author on the subject, 

 ebserves, that in August, 1801, when the waters were 

 unusually low, he examined the obstructions forming 

 the falls, and found the whole mass to be a smooth 

 homogenous stone, on the surface of which were 

 scattered small petrified substances, which, in con- 

 sequence of their looking like the superficial roots of 

 trees, were traced backwards, until a great many 

 trees were found, which were worn to a level witk 

 the surrounding mass. The concentric annulars 

 were as visible as in a new sawed log, and in many 

 instances, where the stumps were in an inclined 

 plain, they were elliptical : on being broken off they 

 gave the appearances peculiar to the several trees; 

 thus, the red cedar was like a blossom -coloured mar- 

 ^ble, the beech was more compact, Vv^hile the oak ex- 

 hibited greater spaces between the annulars. The 

 specimens, in proof of this opinion, are lodged in the 

 cabinet of the Amer. Phil. Soc. 



Fish of the Ohio, 



Mr. Harris informs us, that the fish in the Ohio, 

 and the rivers that flow into it, are numerous, and 

 all of them different from those which are found m 

 the waters of the northern states.' 



I am not enough acquainted with itch thy ology 

 (he says) to describe them scientifically, and can, 

 therefore, only set down the common names of some 

 of them. These names were given them by the new 

 ^ettlers^ and were generally suggested by th€ resem- 



