IN CENTRAL AFRICA. 349 
questions still enveloped in great obscurity, for example, 
the origin of the Fellatas, as they are called by the latest 
English travellers. What relation do they bear to the 
great nation of Foulahs ? We learn from M. Caillie that 
the Touariks are established much farther towards the 
south than has hitherto been supposed their camps are 
seated upon the Dhioliba, considerably above Timbuctoo. 
He has also taught us that they bear a second name, that 
of Sorgous ; above all, he has given us some very valuable 
information respecting the tyranny exercised by this 
wandering and predatory tribe against the peaceful 
natives ; the portrait he has drawn of them bears visible 
marks of truth. 
With regard to idioms, it is vexatious that M. Caillie, 
although he visited so many tribes, has been able to 
collect only two vocabularies. That of Timbuctoo 
consists of only a hundred and twenty words. We must 
regret that it is not more extensive. I have already said 
that the words in Denham's relation agree with him, 
but not those of Adams and of Bowdich. 
The particulars respecting commerce have been col- 
lected with care. M. Caillie has scarcely ever omitted 
to point out the native or foreign commodities which he 
saw at every market, their price, and the kind of coin. 
He confirms the fact that European merchandise reaches 
central Africa ; goods of English manufacture were to be 
seen at Djenne as well as at Saccatou. Upon the com- 
merce of Boure in gold the traveller gives us some in- 
