AFRICAN EXPLORERS OF THE EIGHTEENTH CENTURY. 101 
middle of it. It is easier to imagine than to describe 
what I felt at that moment, standing opposite the 
sources which had baffled the genius and courage of the 
most celebrated men for three thousand years.” 
MAP OF THE NILE BASIN OF 1819 A.D. 
Bruce’s narrative contains many other curious obser¬ 
vations, but we must now pass on to his account of 
Lake Tzana. 
“ Lake Tzana,” according to his narrative, “ is by far 
the largest sheet of water known in these regions. Its 
