166 , GOLD OF BRAZIL. 



CHAP. XXII. 



but their produce was very inconsiderable when 

 compared with that of Minas Geraes. By the ac- 

 counts it appears l that there was a decrease in the 

 amount of the quintos on gold as thus shown : 



Arobas. Marcs. Ounces. 



Annual average from 1752 to 1762 104 7 5 

 1763 to 1773 90 a 1 

 1774 to 1784 69 20 4 

 1785 to 1794 45 41 5 



The actual produce of these two great mining 

 provinces in the fifty-one years yielded to the 

 crown by a tax of one-fifth the weight, three thou- 

 sand three hundred and sixty-nine Brazilian aro- 

 bas of gold. The aroba contains two hundred 

 and twenty-six thousand six hundred and forty- 

 five English troy grains, and the value of each 

 aroba in sterling is one thousand eight hundred 

 and twenty-one pounds seventeen shillings and 

 four-pence, and consequently the whole sum re- 

 ceived in the fifty-one years was six million one 

 hundred and forty-three thousand eight hundred 

 and sixty-seven pounds sterling, which multiplied 

 by five, gives as the amount of the produce thirty 

 million seven hundred and nineteen thousand 

 three hundred and thirty-five pounds. The mines 

 of Goiazes, and those of Cuiaba, Jacobina, and 

 Matagroso being uncertain, may without risk of 

 any great error be taken at nine million two him-- 



1 See Bullion Report of 1810, Appendix, No. 21. 



