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Alex. Agassiz. 
JpJbrarg of % gl'usmm 
OF 
COMPARATIYE ZOÖLOGY, 
AT HARVARD COLLEGE, CAMBRIDGE, MASS. 
JFottntoefc bj prfbate subscrfptfon, fn 1861 . 
Deposited by ALEX. AGASSIZ. 
No. 
■ ' ■_ ■■ _ r . _ - ■ . . 
' 
DEPOSITED 
IN THE 
BIOLOGICAL LABORATORY 
