dr. liyingstone's researches. 427 
intended to take. Having demanded the return 
of the prisoners, as the only means of ensuring 
our safety, I succeeded in getting eighteen into 
my charge, and these were restored to their 
relatives, as we approached their different habi- 
tations, in our progress up the river. As we 
had previously seen, the Leeambye makes a 
sharp bend away to the Eastward, from the 
confluence of the Leeba, and flows from East 
to West. But the Leeba comes from the North, 
so that we supposed by ascending it, we should 
approach the source of the Coanza, and, by de- 
scending the latter, might at last reach Loanda. 
u We discovered afterwards, that the Portu- 
guese map, which ^presents the Coanza as 
rising in the East, is erroneous. With the 
above impression, however, we ascended the 
Leeba for 40 or 50 miles, when a cataract, 
preventing further progress in canoes, we re- 
mained waiting for a few days, for a party that 
had been detached at the confluence, before 
commencing the journey on oxback. The party 
was sent from the junction, with five captives 
belonging to Masiko, a Barotse chief, who 
lives East of that point, and proceeded in the 
same direction during five days. Two of the 
prisoners being little girls, shorter marches than 
usual were made ; and the actual distance may, 
therefore, be not more than 80 miles. Though 
