SLAVERY. 219 



The mean annual number during this interval is 

 7,470, and 11,542 for the last ten years. This should 

 be increased at least one-fourth, partly, because of 

 the illicit importations, and omissions in the returns, 

 and partly for the licit importations at Trinidad 

 and St. Jago ; so that we have for the whole island, 



From 1521 to 1763 60,000 



" 1764 " 1790... ,.33,409 



In Havana alone, 



From 1791 to 1805 91.211 



" 1806 " 1820 131,829 



316,140 



Increase by the illicit trade and 

 by the importations in the eastern 

 part of the island, from 1791 to 1820, 56,000 



372,4.49 



[Note. — In order to present in one continuous 

 view the number of negroes carried to Cuba up to 

 the latest returns accessible to us, we continue here 

 the calculation by Baron Humboldt. From the 

 reports of the British commissioners at Havana, we 

 learn the following particulars, in relation to the 

 trade subsequently to its suppression in 1820, by the 

 treaty with England. 



In 1821, twenty-six vessels arrived, bringing 6,415 

 slaves ; and Mr. Jameson, one of the commissioners, 

 states that to this amount one-half should be added 

 for importations not ascertained by the commis- 



