AFRICAN EXPLORERS OF THE EIGHTEENTH CENTURY. 77 
which neither the English editor nor the French trans¬ 
late! (whose work was badly performed) had discovered. 
Mungo Park in his diary records events as happening 
upon the 31st of April. As everyone knows that that 
month has only thirty days, it followed that during the 
course of his journey the traveller had made a mistake 
of a whole day, reckoning in his calculations from the 
evening instead of the morning. Hence important 
rectifications were neces¬ 
sary in Arrowsmith’s map; 
but none the less, when 
once Mungo Park’s error 
is recognised, it is evident 
that to him we owe the 
first faithful map of Sene- 
gambia. 
Although the facts that 
reached the English 
Government allowed no 
room for doubt as to the 
fate of the traveller, a 
rumour that white men 
had been seen in the in¬ 
terior of Africa induced 
the Governor of Senegal 
to fit out an expedition. 
The command was en¬ 
trusted to the negro mer¬ 
chant Isaac, Mungo Park’s 
guide, who had faithfully woman and child. 
delivered the traveller’s 
journal to the English authorities. We need not 
linger over the account of this expedition, but merely 
relate that which concerns the last days of Mungo 
Park. 
At Sansanding, Isaac encountered Amadi Fatouma, 
the native who was with Park on the Djoliba when he 
perished, and from him he obtained the following 
recital :— 
“ We embarked at Sansanding, and in two days 
