498 
MORAL AND POLITICAL 
may be viewed as in some respects not altogether 
adverse to the interests of society. 
The number of slaves conveyed across the Afri- 
can desert have, on a rude calculation, been sup- 
posed to amount to 20,000 ; but I suspect this es- 
timate to be much exaggerated. Of the European 
slave-trade, the following estimate was given m 
1788 by Mr Norris : 
Gambia, - - 700 
Isles de Los, * - 1500 
From Sierra Leone to Cape Mount, 2000 
Cape Mount to Cape Palmas, SOOO 
Cape Palmas to Cape Appollonia, 1000 
The Gold Coast, - 10,000 
Quilta and Popoe, - 1000 
Whydah, - 4500 
Porta Nova, Eppec, and Bidagry, 8500 
Lagos and Benin, - 5500 
Bonny and New Calabar, - 14,500 
Old Calabar and Camarqons, 7000 
Gabon and Cape Lopez, - - 500 . 
Loanga, Malemba, and Cabenda, 13,500 
Mayomba, Ambriz, and Missoula, 1000 
Loango, St Paul's, and Benguela, 7000 
