DEATH BLOW TO THE SLAVE TRADE. 
601 
the terrible and supposed impassable desert of Kalahari, 
beyond which the explorer discovered, in regions then 
represented by a blank on the map of Africa, well-watered 
lands, a fertile soil, and races hitherto unknown to the 
outer world ; then across Central Africa to Loando, and 
back again from the western to the eastern coast. Amid 
these tribes, all barbarous and some savage, he passed 
unmolested with a body-guard of native adherents — his 
moral influence, courteous and respectful demeanor, and 
lack of self-seeking, being his best passport to the con- 
fidence of the negro tribes, and these tribes only became 
troublesome when he came upon the trail of the slave- 
dealers who had carried lire and sword into these primi- 
tive communities. 
Dr. Livingstone had already rearranged the map of 
Africa, and, as it were, discovered a new world. But that 
was not enough. His weather-beaten frame demanded 
rest, and the ties of kindred at home w'ere strong; but he 
must complete his mission. Once again he plunged with 
his devoted follower’s into the heart of that continent in a 
more northerly direction, with a view to solve the grand 
problem of the sources of the Nile, and for several 3 r ears 
was lost to sight. At present the particulars of his last 
journeys and discoveries are fragmentary; but this lonely 
traveller, who for years saw no white face till Air. Stanley 
tracked him out, was able, by means of a few scraps of 
information and stirring appeals, so to move the heart of 
England that the detestable slave trade, which has deso- 
lated the country, received its death-blow. Once again 
Dr. Livingstone was left to his solitude, and at length fell 
a victim to his exploring zeal, ignorant that the great 
work was well nigh accomplished by Sir Bartle Frere, 
which he had been the means of initiating by means of 
the treaty with the Sultan of Zanzibar. It i9 nearly a 
year ago that, exhausted with the hardships of travel, he 
pathetically enjoined his faithful native adherents, “ Build 
me a hut to die in. I am going home” — and there, at 
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