THESOURCEOFTHENILE 48; 
buying of the fmall pox. The women are the conductors of 
this operation in the faireft and drieft feafon of the year, but 
never at othertimes. Upon the firft hearing of the {mall pox 
any where, thefe people go to the infected place, and, wrap- 
- ping a fillet of cotton cloth about the arm of the perfon in- 
fected, they let it remain there tillthey bargain with the mo- 
ther how many fhe is to fellthem. It is neceflary that 
the terms be difcuffed judaically, and that the bargain be 
not made collufively or gratuitoufly, but that one piece of 
filver, or more, be paid for the number. This being con- 
cluded, they go home, and tie the fillet about their own 
-child’s arm; certain, as they fay, from long experience, 
that the child infected is to do well, and not to have one 
more than the number of puftules that were agreed and 
paid for, There is no example, as far as I could learn, 
either here or in Abyflinia, of this difeafe returning, that is, 
attacking any one perfon more than once. 
Tue trade of Sennaar is not great; they have no manu- 
factures, but the principal article of confumption is blue 
cotton cloth from Surat. Formerly, when the ways were 
open, and merchants went in caravans with fafety, Indian 
goods were brought in quantities to Sennaar from Jidda,. 
and then difperfed over the black country. The return 
was made in gold, in powder called Tibbar, civet, rhinoce- 
ros’s horns, ivory, oftrich feathers, and, above all, in flaves — 
or glafs, more of which was exported from Sennaar than all. 
the eaft of Africa together. But this trade is almoft deftroy- 
ed, fois that of the gold and ivory. However, the gold 
ftill keeps up its reputation of being the pureft and beft in 
Africa, and therefore bought at Mocha to be carried to 
India, 
