60 DISCOVERIES OF THE PORTUGUESE. 
gether correspond to these opportunities. The fol- 
lowing, however, is a summary of the description 
of these countries, as given by Di Barros.* 
The whole of this region is described as tra- 
versed by the rivers Gambia and Sanaga (Sene- 
gal), which receive various names, according to 
the countries through which they pass. Thus, 
the river which Europeans call Sanaga, is by the 
Jalofs called Dengueh ; by the Tucurols, Maio ; 
by the Caragoles (SerawooHies), Collect when it 
flows through a territory called Bagano, which 
lies farther to the east, it is called Zimbala, t which 
name is sometimes given to the district itself; and, 
in the kingdom of Tombuctoo, it is called J^a. 
Higher up, its name was unknown, although its 
previous course must have been very long, as being 
derived from sources far to the east, in the lakes 
called by Ptolemy, Chelonides, Nuba, and the 
river Gir. Thus it appears, that the Portuguese, 
notwithstanding their opportunities of knowing 
the fact, had no suspicion of the Senegal and 
Niger being separate rivers, and of one of them 
flowing eastward. Ancient report, joined to what 
they themselves most familiarly observed, pre- 
* III. 8. 
•\ This name seems readily convertible into Joli-Ba; the 
latter syllable being merely an adjunct, signifying river. 
:j: Jinbala of Park. 
