COMMUNICATIONS. 
169 
The fenna of Agadez is valued in Tripoli at fourteen or fif- 
teen maliaboobs, or from 4I. 4s. to 4L los. per hundred v/eiglit, 
while that of Tibefd is worth no more than from nine to ten 
maliaboobs, or from 2I. 14s. to 3L flerling. From. Tripoli the 
fenna is exported to Turkey, Leghorn, and Marfeilles. 
Of the other articles of fale which the extenfive Empire of 
Caflma affords, the principal are — ■ 
Gold Duft — the value of v/hich appears to be eftimated at a 
his/her rate in Cafhna than in Fezzan ; for in the former the 
worth of an ounce of 640 grains (which is the weight of an 
ounce in Fezzan, Cafhna, and probably in all the States between 
that kingdom and the Niger) is fald to be nine mitkals, or 4I. los. 
fierling ; whereas an ounce of the fame weight is worth in Fez- 
zan but 4I. In Cafhna the value of an Englifh ounce of 480 
grains is confequently 3I. ys. 6d. whereas in Fezzan it is only 3I. 
Slaves — In what manner thefe are obtained, does not diftlnftly 
appear; but the value of a male flave u faid to be from 15 to 
20,000 cowries, or from 3L to 4I. flerling: 
That of a female flave is defcribed as being two-thirds of the 
Z former, 
