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_:.Z:iiM. 



Jtbrarg of tijs p^itseum 



OP 



COMPARATIVE ZOÖLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 

 jFounTjeïJ bg jprfbate siibscrfptfoti, fn 1861. 



The gift of ALEX. AGASSIZ. 

 No. 



