4tQ& MR horneman's travels* 
eused of being suspicious and treacherous ; the 
Fezzanians shun in general to travel along with 
them. Their usual clothing is sheep- skins ; but 
the principal people, when they come to Fezzan, 
dress themselves in large blue shirts, wrapping their 
head in dark blue cloth, so that their eyes only are 
seen. Their language is spoken with uncommon 
rapidity, and abounds with the consonants / and s f 
so that it has been compared, both by the ancients 
and moderns, to the whistling of birds. The prin- 
cipal tribes are the Tibbo of Bilma ; the Tibbo 
Rschade, or Rock Tibbo ; and the Tibbo of Bur- 
gu. The first of these carry on most of the trade 
between Fezzan and Bornou. 
The Tuarick extend west and south of the Tib- 
bo, along the western frontier of Bornou, and 
reach as far as the Niger, along the shores of 
which river they are established in great numbers* 
Of all the indigenous tribes of North Africa, they 
appear to be by much the most numerous and 
powerful. They are divided into various nations, 
differing both as to manners and external appear- 
ance, but all speaking the same language. The most 
powerful, the Kolluvi, have made them selves masters 
of Asben, which ranks next to Bornou, among 
the kingdoms of interior Africa. Most of the 
trade between Fezzan and the countries on the 
Niger is carried on by this people. They are 
thin, rather tall ; their step is at once steady and 
