526 
COKGO EXPEDITIOi^. 
ed Norway, the British isles, Madeira, and the 
Canaries. He modestly professed himself unqua- 
lified for the situation of geologist ; but it was 
conceived, that the knowledge he had acquired in 
travelling with the celebrated Von Buch, would 
sufficiently qualify him to act in that capacity. 
The zoological department was undertaken by 
Mr Cranch, who, in the humble situation of a 
shoe-maker, had, by his own enthusiastic exer- 
tions, acquired such a degree of knowledge, that 
he was employed by Dr Leach to collect objects 
of natural history for the British Museum. Mr 
Tudor was comparative anatomist ; and Mr Gal- 
Y/ey, a friend of Captain Tuckey, and a man of 
very considerable scientific attainments, accom- 
panied the expedition as a volunteer. The offi- 
cers and crew were in all forty-nine, exclusive of 
the five men of science, and of two natives of 
Congo ; there were among them four carpenters 
and two blacksmiths. Sir Joseph Banks had sug- 
gested, that the pawer of steam might be usefully 
employed in impelling the vessel against the rapid 
current with which the Congo pours its waters 
into the ocean. Messrs Watt and Bolton were 
accordingly employed to construct a steam-boat 
of 100 tons, which might be fit at once to cross 
the Atlantic, and to navigate up the river. By 
some misapprehension this vessel was so construct- 
ed, that it could not proceed with rapidity suffi- 
