308 THE AFRICAN ASSOCIATION. 
by Mr Park, who mentions the Libey, a wander- 
ing tribe, resembling the Gypsies of Europe. 
Tibesti, a mountainous district, lies on the S. E. 
of Fezzan, from which it is separated by a barren 
desert of 200 miles. Its vales are fertile in corn, 
and its mountains afford excellent pasturage. Its 
camels are reckoned the best in Africa. Rain sel- 
dom falls in Tibesti, but its want is compensated 
by innumerable springs. The inhabitants are rude 
and ferocious, and, secure in the strength of their 
native mountains, harass their neighbours with fre- 
quent hostilities. Though they traded with Fez- 
zan in senna and camels, they frequently molested 
the caravans of that country on their journey to 
Bornou. At last, the king of Fezzan dispatched 
against them an army of 4000 men, which, after a 
sharp encounter, reduced them to subjection, the 
mountaineers being intimidated by the fire arms of 
the Fezzanese. They engaged to pay an annual 
tribute of 20 camel-loads of senna, and though, 
after the departure of the army, they paid little 
regard to the engagement, they did not again at- 
tempt to plunder the caravans. There are some 
Mahometans in Tibesti. 
The extensive empire of Bornou occupies the 
intermediate space between Nubia and Cassina, 
Fezzan and Sennaar. The Mahometans of Sen- 
naar number it among the four most powerful mo- 
narchies of the world : the other three are Turkey, 
