C * 99 ) 
III. A Letter from Jacob de Caftro Sarmento, 
M. T>. and F. %. S. to Cromwell Morti- 
mer, M. T>. Seer. 5. concerning Diamonds 
lately found in Brazil. 
SIR, 
H AVING an Opportunity of difeourfing with a 
Gentleman recommended to me, that came from 
the Gold Mines in Brazil belonging to the King of 
Portugal, and brought many Diamonds of confidera- 
ble Value, lately found in thofe Places, I thought pro- 
per to defire of him an Account of the lame, being the 
fitteft Perfon to deferibe every minute Circumftance of 
it, as one that has liv’d, and digg’d Gold there for thefe 
fifteen Years laft paft ; and he having obliged me with 
the faid Account, in the Portugueze Tongue, I think 
it will not be unacceptable to the Society, if you will 
be fo good as to offer the Tranflation of it,., which is 
as follows : 
In the Prince’s Town, Capital of the County do, 
Serro do Frio, belonging to the Government of the 
Gold Mines, there is a Place near the faid Town 
called by the Natives Cay the Merin, where they ufed 
to dig Gold for many Years, as alfo from a fmall Ri- 
ver called do Milho Verde. TheMiners that digg’d 
Gold in thofe Places did turn up the Ground and Sands 
of the Banks of the faid River, to extract the Gold 
therefrom, and by fo doing found feveral Diamonds,. 
which 
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