In his letters home Dr. Livingstone constantly
made mention o f two lakes, called Upper Tan-
ganika, which Burton discovered, and Lower
Tanganika, which Sir Samuel Bak er discovered,
and which Formed, 'as he said, the second line
o f drainage trending to and discharging its waters
into the Nile.
He makes record in Lis Journals o f th e causes
which induced him to verify -has 'opinions -by a
personal investigation o f the north end o f Lake
Tanganika on the 16th November 1871, a few
days after my arrival at Ujiji, I being the fourth
European who Lad arrived on the shores of the
Lake, in this maimer:—
I “ x:6thN ovem ber \% i\.— A s Tanganika E xp lo ra tions
are said b y Mr. Stanley to b e an object
o f interest to Sir Roderick;, we g o at his expense
and b y Lis men to th e north end o f th e lake,”’
“ 24th N ovem ber.—T o Point Kisuka in Mukam-
ba’s country. A ’Mgwana came to us From King
Mukamba, and asserted most positively that all
the water o f Tanganika flowed into th e river
Lusize, and then on to Dkerewe cff Mteza; no- I
thing could be more clear than his statements.”
“ 25/^ November.— 'Our friend o f yesterday
now declared as positively as before, that the
water o f Lusize flowed into "Tanganika, and not
the w a y he said y e s te rd a yl Tanganika closes
in except at one point N. and b y W. o f us.”
“ 26M Novem ber.— T he end o f Tanganika seen
clearly, is rounded off about 4' broad from east
to west.”
On the 29th November, Livingstone and I, in
a canoe manned b y several strong rowers, entered
into the Lusize, or Rusizi, and discovered that
it flowed into Lake Tanganika b y three mouths
with an impetuous current.
The explorations o f Livingstone and myself
in November 1871 §to the north end o f L ak e
Tanganika resolved that portion o f the problem,
but described only about thirteen miles o f coast
unvisited b y Burton and Speke. O n our w a y
back, however, b y a southern route to Unya-
nyembe, we added to the knowledge o f the
Tanganika coast-line, on the eastern side from
Kabogo Point as far as Urimba, about twenty
miles farther south than S p ek e had seen.
In Au gust 1872, about five months after I had
departed from him homewards, he recommenced
his last journey. On the 8th October o f the
same year he saw the Tanganika again about
s ix ty miles south o f the point where he and I
bade farewell to the lake eight months previously.
Clinging to the lake, he travelled along
the eastern shore, until he reached the southernmost
end o f it.
From this it will appear evident that the only
portion o f L ak e Tanganika remaining tmvisited
was that part o f the west-end shore, between
Kasenge Island and the northernmost point o f