IN CENTRAL AFRICA. 
239 
1822, Laing reached Falaba by Sierra-Leone. 
Oudney. . 
^ Mandara ) 
( Saccatoo ) 
1823, 
Denham. . . 
Clapperton. , 
SClapperton. . } 
Lander.. 
1827, Laing 
I R6n6 Cailli6. , 
1827, 
1828 
Tripoli. 
Saccatoo . . 
Timbuctoo. . 
STime . . • } 
Djenne. . . V. 
Timbuctoo \ 
Gulph of Benin 
Tripoli. 
Senegambia. 
To this list may be added Ledyard and Lucas, in 
1788, Nichollsj in 1805, Seetzen and Tuckey, in 1816, 
and P. Rouzee, in 1817, who took different routes, and 
did not succeed in penetrating into the interior. 
Twenty-five Englishmen figure in this list, with 
fourteen Frenchmen, two Americans, and one German : 
but there are few of them, alas ! since Major Houghton, 
who have not fallen victims to their heroic devotion, in 
the midst of their career. 
Before setting out on his great journey M. Caillie 
had visited the interior of the deserts frequented by the 
Brakna and Dowich Moors ; he had also accompanied M. 
Adrien Partarrieu, attached to the expedition of Major 
Gray. 
He then followed or traversed the route of Major 
Houghton, going to the Ludamar of Mungo Park, (or 
