A 
NARRATIVE 
THE EXPEDITION 
SENT BY HER MAJESTY’S GOVERNMENT 
THE EIVER NIGER, 
IN 1841. 
UNDER THE COMMAND OF 
CAPTAIN H. D. TROTTER, R.N. 
BY CAPTAIN WILLIAM ALLEN, R.N. 
F.R.S. F.R.G.S. CORRESPONDING MEMBER OF THE ZOOLOGICAL SOCIETY OF LONDON, GEOGRAPHICAL 
AND ETHNOGRAPHICAL SOCIETIES OF PARIS; LATE COMMANDER H. M. S. 'WILBERPORCE. 
AND 
T. R. H. THOMSON, M.D., Surgeon, R.N. 
FELLOW OF THE ETHNOLOGICAL SOCIETY OF LONDON, FELLOW OP THE BOTANICAL SOCIETY OF 
EDINBURGH, AND CORRESPONDING MEMBER OF THE ZOOLOGICAL SOCIETY OF LONDON; 
ONE OF THE MEDICAL OFFICERS OF THE EXPEDITION. 
PUBLISHED WITH THE SANCTION OF 
THE COLONIAL OFFICE AND THE ADMIRALTY. 
IN TWO VOLUMES. A ^ 
< 
VOL. 11. : , 
V 
LONDON: 
RICHARD BENTLEY, NEW BURLINGTON STREET. 
^ttWisijer in ©itiinar!) to l^ev iWajesty. 
1848. 
\NV 
