94 
M^- LUCAS'S 
produce the trona ; and for oblHnate achs and ftrains, and long 
continued ftilFnefs in the mufcles, they have recourfe, hke the 
horfe-doftors of Europe and the phyficians of Barbary, to the 
apphcation of a burning iron. 
The ufe of the ftrongeft oils, and of the moft powerful herbs, 
is alfo frequent among them. 
To the nature of their climate the greateft part of their dif- 
eafes is probably owing; and to this caufe they are certainly 
indebted for the extraordinary multitude of noxious and of 
ioathfome animals that infeil: their country. Adders, fnakes, 
fcorpions, and toads, are the conftant inhabitants of their fields, 
their gardens, and their houfes. The air is crowded with mof- 
quitos ; and perfons of every rank are over-run with all the dif- 
ferent kinds of vermin that attack the beggars of Europe ; and 
though in the Summer the fleas entirely difappear, the inha- 
bitants are fcarcely fenfible of relief. 
In their perfons, the natives of Fezzan incline to the Negro 
mvich more than to the Arab caft. Thofe who travelled with 
Mr. Lucas from Tripoli to Mefurata, and who were fourteen in 
number, 
