TO 



CHARLES DARWIN, ESQ., LL.D., F.R.S., &C, 



FROM THE STUDY OF 

 WHOSE JOURNAL OF RESEARCHES 

 I MAINLY DERIVED MY DESIRE TO TRAVEL ROUND THE WORLD, 

 TO THE DEVELOPMENT OF WHOSE THEORY 



I OWE 

 THE PRINCIPAL PLEASURES AND INTERESTS OF MY LIFE, 



AND WHO HAS 

 PERSONALLY GIVEN ME 

 MUCH KINDLY ENCOURAGEMENT 

 IN THE PROSECUTION OF MY STUDIES, 



THIS BOOK IS, BY PERMISSION, GRATEFULLY DEDICATED. 



