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XXXV. Account of fome Bones foimd in 
the Rock of Gibraltar, in a Letter from 
John Boddington, Efq\ to Dr. William 
Hunter, F.R.S. with fome Remarks from 
Dr. Hunter in a Letter to Dr. Mathew 
Maty, M. D. Sec. R. S. 
Dear Sir, 
Read Feb. i,'| r BEG your acceptance of a piece of 
1 '° JL t l le roc k °f Gibraltar, which my 
friend Colonel Green, chief engineer of that garrifon, 
has brought from thence, and given to me as a natural 
curiofity : it appears to me a very extraordinary one 
indeed ; therefore, I fhall attempt to explain to you 
the manner of difcovering it, and leave the reft to 
your better judgment. 
You muft know then, Sir, that Gibraltar is al- 
ways attended to with great circumfpeftion. The 
city, town, and fortification are all upon a rock, and 
fand ; of which the whole peninfula is compofed : as 
nature changes the face of the rock, the engineers 
have a watchful eye to apply art in forming the de- 
fences where nature fails ; a particular inftance of 
which happened in the courfe of the prefent year, 
by the craggy part of the rock falling away, fo as to 
admit the probability of an entrance into the fortifica- 
