The Kernel ful for their oils, like the “ candle-berry ” tree, &c.;
of jihe t ^ , Argument, and for medicinal uses, like the Cashew, the Jatrophe
purgans, the- Strgchnas, the Amomum, &c. There are
also to he found the wild ginger, and nutmeg, the
Semicarbus anacardium, or marking-ink plant; but
these have no value to commerce, and more properly
belong to the botanist. Cotton, however, is discovered
wild and indigenous' everywhere, especially on the
sites of deserted settlements, and may in the future be
considered something more than a curiosity in a broad
and spacious region so well adapted for its growth.
The next region to be considered is the Webb-
Lualaba section, which embraces the greatet part of 54
square degrees, included between 28° N. lat. and S. lat.
12° 30',' and between E. long. 25° 20' and E. long. 30°.
The superficial measurement of the area amounts to
246,000 square statute miles. The course of the great
river from the debouchure of the Chambezi into Lake
Bangweolo down to the last Cataract of Stanley Falls
is from S.W. to N.W. a distance of 1260 English miles.
Within this section I include—until further light is
thrown upon the subject—Lake Muta-Nzige, not the
Lake Albert discovered by Sir Samuel Baker. We have
voluminous affluents flowing into the Webb-Lualaba,
directly west of the lake discovered by me in 1876.
They require drainage area, which, if we exclude Lake
Muta-Nzige, we have not sufficient space to supply such
large rivers as the Low-wa, the Elindi, and Lira. From
native accounts, which, though extremely unreliable,
must, in the absence of definite information, be accepted,
this lake may be estimated to cover an. area of 5400 The Kernel
. of the .
square.miles. Lake Bangeolo, according to Livingstone s Argument,
rough survey, is of the superficial extent of 10,200
square miles. Lake Mweru, according to the same
authority, covers an area of 2700 square miles. Lake
Kassali and its chain of lakelets cover altogether an
area of 2200 square miles.
Beyond the Stanley Falls the Webb-Lualaba is navigable
to within six miles from Nyangwe, a length of
327 miles. On the right as we ascend, the first affluent
met is the Leopold River, which may be ascended
thirty miles; the next is the Low-wa River, an affluent
of the first class, which is formed a few miles up by the
junction of two streams. South of the Low-wa about
fifteen miles we meet the Ulindi—which we ascended
in 1877 a few miles—a river with a breadth of
400 yards at the mouth. About ninety miles further
south we see the Lira emptying into the Webb-Lualaba,
300 yards wide, a deep and clear stream. A little
north of S. latitude 5° we come to the Luama, a stream
which has a known course of 250 miles. Forty miles
further south is the Luigi, of half that length, and
thirty miles beyond the Luigi is the Luindi, or Lukuga,
which is the outlet of Lake Tanganika..
Commencing again from the Baswa cataract, the
uppermost of the Stanley Falls series, the first on the
left bank we meet is the small Black River, and the
next from the, bend, which I supposed was the Lumami,
but which, the Arabs inform me, is the Lufu, a stream
similar to the Kasuku, emptying at S. lat. 4° into the