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_Fossil Turtle._

The remains of a sea turtle have lately been discovered, and are now in
the possession of Mr. Deck, of Cambridge. It is imbedded in a mass of
septaria, weighing upwards of 150 pounds, with two fine specimens of
fossil wood; and was obtained in digging for cement stone, about five
miles from Harwich, in three fathoms water, where, as a mass of stone, it
had been used for some time as a stepping block.--_Bakewell's Geology._

* * * * *


_Geological Changes._

The following are the writers whose opinions have obtained the greatest
celebrity, as advocates for particular systems accounting for the
formation and subsequent alteration of the earth:--

Mr. Whitehurst taught that the _concentric arrangement_ of the crust of
the globe was destroyed by the expansive force of subterranean fire.

Burnet's theory supposes this crust to have been broken for the
production of the deluge.

Leibnitz and Buffon believed the earth to have been liquefied by fire; in
fact, that it is an extinguished sun or vitrified globe, whose surface