Bones discovered in a cave at Kirkdale , in Yorkshire. 201 
and died not far from the spot where their remains are 
found. 
The accumulation of these bones, then, appears to have 
been a long process, going on during a succession of years, 
whilst all the animals in question were natives of this country. 
The general dispersion of similar bones through the diluvian 
gravel of high latitudes, over great part of the northern he- 
misphere, shows that the period in which they inhabited 
these regions, was that immediately preceding the formation 
of this gravel, and that they perished by the same waters 
which produced it. M. Cuvier has moreover ascertained, 
that the fossil elephant, rhinoceros, hippopotamus, and hy- 
aena, belong to species now unknown ; and as there is no 
evidence that they have at any time, subsequent to the forma- 
tion of the diluvium, existed in these regions, we may con- 
clude that the period, at which the bones of these extinct 
species were introduced into the cave at Kirkdale, was ante- 
diluvian. Had these species ever re-established themselves 
in the northern portions of the world since the deluge, it is 
probable their remains would have been found, like those of 
the ox, horse, deer, hog, &c. preserved in the post-diluvian 
accumulations of gravel, sand, silt, mud, and peat, which are 
referable to causes still in operation, and which, by careful 
examination of their relations to the adjacent country, can be 
readily distinguished from those which are of diluvian origin. 
The teeth and fragments of bones above described, seem to 
have lain a long time scattered irregularly over the bottom of 
the den, and to have been continually accumulating until the 
introduction of the sediment in which they are now imbedded, 
and to the protection of which they owe that high state of 
mdcccxxii. D d 
