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APPENDIX. 
MoUien, whose route intersected that of Mungo Park in 13° 40' N. 
and 14° 25 W. only saw the Gambia in 11° 51' N. and 13° 15 W. 
where he crossed it. It ran from N. E. to S. W. ; it was 
cooped up between rocks : the Negroes gave it the name of 
Ba-Diman ; this, therefore, was the same river as that seen by 
Mungo Park at Badou. When M. Mollien afterwards passed 
through Niebel and Landoumari, he was told that the Ba-Diman 
was a day and a half s journey to the left, or to the east of these 
places ; therefore, agreeably to these accounts, this river has been 
represented as making windings which it does not exhibit in 
Mungo Park's map. At a little distance from the point where M. 
Mollien intersects the route of that traveller, he crossed the Niolo 
Koba, and then entered a desert country, enclosed by mountains. 
Whilst he traversed this parched plain, he often heard the 
Negroes speak of the Bâ-Diman, as flowing at a little distance, but 
he had no suspicion that it was the Gambia they meant. This 
plain may be compared to that, which in France forces the 
Doubs to turn back, and to take a direction parallel to a part of 
its previous course. 
M. Mollien's map marks a communication between the Senegal 
and the Gambia, by the Nerico. This junction was mentioned by 
Father Labat. " The Mandingos," he says, " relate that the 
Niger (Senegal) having reached a place called Baracota, divides into 
two branches ; that that which flows towards the south is called the 
Gambea or Gambia, which, after a pretty long course, is lost, or 
seems to be lost in a marshy lake, filled with grass and reeds, which 
are so strong and thick that it is impenetrable ; that it at length 
