viii 



PKEFACE. 



in etching before he attempted their reproduction, could not have had 

 the co-operation of the botanist of the expedition, and was reluctantly 

 compelled to prepare the letterpress himself. I have endeavoured to 

 mend the defects of the latter as much as lay in my power, by adding 

 foot-notes where it was most necessary; whilst my personal familiarity 

 with most parts of the globe enabled me to free the text from much of 

 the ambiguity, caused by a laudable desire on the part of the author 

 not to commit himself to statements for the entire accuracy of which he 

 did not deem it prudent to pledge himself. 



BERTHOLD SEEMANN. 



London: July 20th, 1861. 



