IV. 
INTRODUCTION. 
43 
time I speak of. He it was who first possessed me with a desire to explore the 
American shores, a desire which has followed me through life, though as yet it 
has been but very imperfectly gratified. With this small tribute to his memory, 
I may appropriately close this general expression of my thanks to those who have 
aided me in the present undertaking. 
Trinity College, Dublin, 
August 6 th , 1851. 
W. H. li. 
