INTRODUCTION. XI
have attempted to explore. I was diplomatic
agent to several maritime nations of Europe,
which familiarised me with all ranks of society
in those countries. I had a perfect knowledge
of the commercial and travelling language of
Africa, (the Arabic.) I corresponded myself
with the Emperors, Princes, and Bashaws in this
language ; my commercial connections were very
extensive, amongst all the most respectable mer-
chants who traded with Timbuctoo and other
countries of Sudan. My residence at Agadeer,
or Santa Cruz, in Suse, afforded me eligible op-
portunities of procuring information respecting
the trade with Sudan, and the interior of Africa.
A long residence in the country, and extensive
connections, enabled me to discriminate, and to
ascertain who were competent and who were not competent to give me the information I
required. I had opportunities at my leisure of
investigating the motives that any might have
to deceive me ; I had time and leisure also to
investigate their moral character, and to ascer-
tain the principles that regulated their respective
conduct. Possessed of all these sources of in-
formation, how could I fail of procuring correct
and authentic intelligence of the interior of Africa ; yet my account of the two Niles has been doubted by our fire-side critics, and the
desultory intelligence of other travellers, who cer-
tainly did not possess those opportunities of pro-
curing information that I did, has been substi-
tuted : but, notwithstanding this unaccountable