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bottom, and sixty feet from the surface; the face of 
the rock being about ninety feet, in perpendicular 
height. There is reason to suppose also, that it will 
be found, that the cavern has a communication with 
the surface. - 
In some instances, they were cemented together 
by stalactitical matter, and formed one mass, with 
fragments of the rocks, and the substances with 
which they were surrounded. They generally re- 
tained their original form and appearance, and to 
common observation, they were very similar to bones 
that have been long buried in the earth. Whether 
however, their substance may not have undergone a 
material change, since they were first deposited in 
the situation where they were discovered, I am not 
prepared to say: perhaps this will be found to be 
the case; which, with other circumstances, will help 
to ascertain, in some measure, their probable age. 
ft should seem, from the very considerable quan- 
tity that has been collected, as if they had been 
brought here at different times, since the first form- 
ation of the rock, by the beasts of prey which oc- 
