INTRODUCTION. 1xxxi 
of the country, and more particularly on its geology ; but 
both his journal and his collections have been lost. They 
had met in their progress with a party of slave-dealers, 
having in their possession a negro in fetters, from the 
Mandingo country. From motives of humanity, and with 
the view of returning this man to his friends and country, 
as well as under the hope that he might become useful as 
they proceeded, and give some account of the regions 
through which he must have passed, as soon as he should 
be able to speak a little English, Captain Tuckey pur- 
chased this slave, and appointed him to attend Mr. Galwey; 
but he was utterly incapable, it seems, of feeling either 
pleasure or gratitude at his release from captivity; and 
when Mr. Galwey was taken ill, he not only abandoned 
him, but carried off the little property he had with him, 
no part of which was ever recovered. 
After this gloomy recital of the mortality which befel 
the officers and naturalists of the expedition, it will be the 
less necessary to bespeak the indulgence of the public in 
passing judgment on the present volume. The Journals of 
Captain Tuckey and Professor Smith, with the collections 
which have reached England, afford ample testimony how 
much more might have been expected in less unfortunate 
circumstances. These Journals will not be deemed the less 
valuable for being the mere records of facts and impres- 
sions, writlen down without regard to arrangement, the 
moment they occurred and were made. The few General 
Observations collected from these Journals, and from de- 
tached notes of Lieutenant Hawkey, Mr. Fitzmaurice and 
Mr. Mc Kerrow, have been thrown together in order to 
m 
