y 
at ® 
ae To the Memory . * 
- LOUIS AGASSIZ, 
_ TO WHOSE INFLUENCE AS TEACHER, EXPOUNDER, AND INVESTIGATOR, NATURAL 
on - a HISTORY IN AMERICA IS SO DEEPLY INDEBTED, 
AND WHO FIRST INSPIRED AND ENCOURAGED US IN OUR EARLIER STUDIES, 
This Work 
IS GRATEFULLY DEDICATED BY 
' CHARLES WACHSMUTH. 
4 FRANK SPRINGER. 
