Zo 
MY ESTEEMED FRIEND, 
LOUIS AGASSIZ, 
PROFESSOR OF ZOOLOGY, &o., 
In 
Harbarh Wnibersity, 
WHOSE WELL-KNOWN RELATIONS TO COMPARATIVE ANATOMY REQUIRE 
WO MENTION HERE, AND WHOSE SPLENDID GENIUS HAS DONE SO MUCH TO AWAKEM, 
IN THIS COUNTRY ESPECIALLY, 
A LIVELY INTEREST IN OBJECTS OF NATURAL HISTORY, 
O Auscribe this Volume, 
WITH ADMIRATION AND SINCERE GRATITUDE, 
WALDO I. BURNETT. 
