APPENDIX. 
Observations on the Discoveries in Africa anterior to the Travels of 
M. MoUien, on those made by him, and on the Map annexed to his 
Narrative. 
By J. B. B. EYRIES. 
Before the end of the eighteenth century, the Europeans had 
scarcely visited the interior of that part of Western Africa, com- 
prised between the 8th and the 20th degree of north latitude. 
They were satisfied with exploring the coast, and ascending the 
Senegal and Gambia as far as those points, where the cataracts 
rendered all ulterior navigation impracticable : they had not even 
ascended so far up the other rivers. 
It would appear, however, from the testimony of the Portu- 
guese historians, that their countrymen, before the conclusion of 
the 15th century, had an intercourse with Tombuctoo, Tocrour, 
and other cities of the interior. The want of precise information, 
prevents us from positively ascertaining whether the Portuguese 
visited these cities themselves, or whether their names only were 
known to them from the accounts of the Negroes with whom they 
traded. It is nevertheless probable, that the Portuguese factors 
traversed the countries which extend from the Atlantic Ocean as 
far as the great marts of the interior ; but their travels were of no 
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