128 
MR- LUCAS'S 
fiiccellive wells that are found in thefe barren heights, and di- 
minifli the fatigues of a three days palTage. At the clofe of 
the fourth day they enter a plain that is inhabited by Mahome- 
tans, where, in addition to a plentiful fupply of excellent water, 
they are cheared with the fight of date trees, and of Indian 
corn. 
From this plain, which lies to the Weft of the Defart of Ti- 
befti, and the end of which they reach on the fecond day, a part 
of the Tibefti mountains take their rife. Thefe vaft hills, the 
range of which is very extenfive, are varioufly peopled ; but fuch 
of them as are croffed on the rout from Fezzan to the City <5f 
Bornou, are inhabited by a mixture of Muffelmen and Idolaters, 
who employ themfelves in breeding camels and alTes, and other 
cattle, particularly horfes of a fmall fize. 
Exclufively of the two days that are requifite for the paflage 
of the mountains, an allowance of twice that time is generally 
given to refrefliment and repofe ; foon after which a fertile and 
beautiful country, as richly diverfified as numeroufly peopled, 
opens to their view. Its inhabitants are herdfmen, and with 
the exception of a few Pagans who are intermixed among them, 
are Muffelmen in their fliith. Their dwellings are in tents 
which 
