The Kemei navigable water of the aggregate length of 250 miles.
of the . - . - • Argument. The Nkuku, Its immediate neighbour, probably may
be ascended for sixty miles, while the Biyerre has been
proved navigable for ninety-six miles, and the Chofu is
known to be impassable after an ascent' of twenty-five
miles. • ' - r J - \
Thus the navigation uninterruptedly available, after
leaving the river bay let of Leopoldville, is as follows:—-
Left
bank
English miles.
. 1068
. 500
From Leopoldville to Stanley Falls direct,
Kwa Biver, Kwango and Lake Leopold II.
The Lukanga and Lake Mantumba .
70
Mobindu Biver .
. 650
Ikelemba „ . . . „ ..............................
. 125
Lulungu and its tributaries . . .
Lubiranzi . . . . . . . . . .
Nseleh, Wampoko and Lagoons, left bank .
1 Lawson-Lufini Biver . . . ............................. 30
Mikené-Alima " „ . . . . . . . . . ¡301
Likuba . 50
Isanga-Bunga, or Likona Biver . . ■ 120
Balni . . . . ' . . . .. i ■ • ■ ■ 350;
Ubangi Biver, and its affluents ■ . . . . . 350
Ngala and its affluents' . . . . . . . ' Ve' 450 '
Itimbiri and its tributaries . , ..............................250
Nkuku Biver. . . . . . . . . . . . . . . 60
Biyerré . . . . . • ' • ' • “ . ' " 96-
k Cbofu , . . . . • • . . . 25
800 :-
. ' 25 ,
. 200
"Bight !
bank
T o t a l .................................. . 5249 miles.'
From the following table of the length of the rivers,
and their principal tributaries, which flow’ into this
section of the Congo basin, may be inferred what
additional mileage to navigation will be furnished to
commerce after the development of geographical know-
B ight Bank. The Kernel
- — ---- of the
Name of Bivpr.
Length
o f
Sub-Tributary.
Length
of Principal
' Tributary.
Total.
Lawson-Lufini . . .- . . 150 150
Mikené-Alima . . . . 170 170
I s a n g a -L ik o n a ....................... 260 260
' Balui . . . . . . . . 510 \ 710
West b r a ijc b ............................. 200 1
Ubangi. . . . . . . . . 500
Ngala .................................. ..... 850 {■ 1350
West branch ... . . . 500' Í t
I t im b i r i ............................ ..... 510 - 510
Nkuku . • .................................. 340' 340
Biyerré » . . . . . . iHH lij 765 l G
Nepoko, .................................. 520
B om o k a n d i............................. ,250 J 1705
N a n d a ........................................ 170 )
Chofu y . ....................... 350 I 650
Lindi . . . . . . . . 300. )
6345
L e f t B a n k .
Kwa and Kwango 600 )
Mfini and Lake Leopold I I . . , 281 ; ü i 1200
Lastern branch , . 320 . j
Mohindu or Kwilu . . . - . 850
L u l o ............................ . . 530 ,, I 1380
Ikelemba .................................. 280 ■ 280
Kassai i . . . . . . . 1275
Luashimo.................................. 250 I
L u f u a .................................. 585 2535
Luabo . . 425 )
Lubiranzi or Lubilash . . . ' 935 ' ' )
Lfumani . , , , 765 1 2125
Lubi . . . 425 1
7520
Total . 13,865