332 TRAVELS IN AFRICA, 
of fwelled and diftorted joints, a livid, fpotted, parched, and 
cracked fkin, &c. 
I have feen it under all its forms of Borras^ Jiddam^ &c. In 
Kahira there is no provifion for the unhappy fufferers, who are 
allowed to beg about the ftreets, but forbidden by their religion 
from the contact of others, and excluded from fociety by an 
inefficient police. I have heard of a cure of the leprofy in its 
worft ftage, by the ufe of corrofive fublimate in fmall dofes. 
The natives feem not to know any fpecific. 
In Dar-Fur, the Borras, which is not uncommon, gives to 
the blacks the appearance of being pyehald^ changing to white 
both the fkin and hair. A cafe of, what I was convinced was 
yiddam^ beginning in the hands, was cured under my obferv- 
ation by a flave, a native of the kingdom called Baghermly 
but the means he had ufed he could not be prevailed on to 
difclofe. 
Bile» 
Complaints proceeding from too copious fecretion of bile are 
extremely common both in Egypt and Dar-Fur. Murar^ the 
bile, or gall, is the generic name for all difeafes of this kind, at 
leaft in their nafcent ftate ; for they are not folicitous in the 
choice of names, till diftind: appearances teach them to feek a 
more chara£teriftic appellation. There feems to be no efficacious 
remedy for thefe maladies, and therefore they take their courfe ; 
and 
