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IX. On some Fossil Bones discovered in Caverns in the Lime- 
stone Quarries of Oreston. By Joseph Whidbey, Esq. F.R.S. 
In a Letter addressed to John Barrow, Esq. F. R. S. To 
which is added , a Description of the Bones by Mr. William 
Clift, Conservator of the Museum of the College of Surgeons. 
Read February 6, 1823. 
DEAR Sir, Plymouth, 19th August, 1822. 
In continuing to quarry the lime-stone rock at Oreston, in 
Catwater, near Plymouth, for the use of the Breakwater, the 
workmen came to another cave, containing many teeth and 
bones, which I have sent to you to be disposed of as you 
may please to direct for the benefit of science, this being the 
third cave, found in these quarries, containing teeth and 
bones : an account of the two former have been already pub- 
lished in the Philosophical Transactions. 
It is not my intention to give any description of the fossils 
now found, but I shall content myself with merely describing 
the situation in which they were discovered, together with 
the state and appearance of the rock. 
The height of the rock, or quarry, is about 93 feet above 
the top of high water of spring tides, which is shown in the 
sketch No. 1, [Plate VI. [j together with a section of the 
caves where the bones were found. The part where they 
lay is tinged with red, in the caves marked A and B. The 
cave A, is encrusted with thin stalactite, some pieces of which 
