THE WORK BEFORE ME. 35
Manyema, and travelling b y canoe about thirtyfive
miles, reaches Nyangwé, his predecessor’s § ™onths' accompanied b y some Portuguese traders,
farthest point. Though he does not attempt to I he Proceeded to Benguella, a small port belong-
resolve this problem, or penetrate the region I N to the Portug uese government on the Atlantic
north o f Nyangwé, Lieutenant Cameron ventures havinS crossed Africa from east to west
upon the following hypothesis:—-“ This great I soutb ^at' 4 • ,
stream must be one o f the head-waters o f the H The above is a brief sk e tch> which explains
K on go , for where else could that giant amongst | and illustrates the several geographical pro-
rivers 1 second only to the Amazon in its volume, | blems left h y my p r o c e s s o r s . I now propose
obtain the 2,000,000 cubic feet o f water which | to describe how these problems were solved,
it unceasingly pours each second into the | and tbe ^ncomP^ete discoveries of Burton and
Atlantic? The large affluents from the north i^PPeke ’ Speke and Grant, and Doctor Living-
would explain the comparatively small rise o f f stone were finished’ and how we sighted the
the K ongo at the coast; for since its enormous jH p e ^ u ta ^ ’ b^ lts broad armi which I
basin extends to both sides o f the equator, 0 p e caded Beatrice Gulf, b y a comprehensive
some portion o f it is always under the zone o f ^ K cP^oradon’ ^asdng'> from sea to sea, two y e a rs
rains, and therefore the supply to the main I ei&ht months and twenty days; the results o f
stream is nearly the same at all times, instead are to be f ° und embodied in these four
o f varying as is the case with tropical rivers, entitled: ‘Through the D a rk Continent ~
whose basins lie completely on one side o f the | Sources o f the N ile , around the G rea t L a k es
equator.” In his map Lieutenant Cameron A fr ica , and down the “ L iv in g ston e'1'1 to the
illustrates this hypothesis, b y causing Living- Ocean.
stone’s grea t river to flow, soon after leaving I
Nyangwé, straight westward, the highest part |
D 2