BIBLIOTHEQUE 



g Loüis Agassiz. 



l^ibrari) of tljc glxiscum 



OF 



COMPARATIVE ZOÖLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 

 ifoiinticii fi]) pifbatc subscifpiion, fu 1861. 



Prom the Library of LOUIS AGASSIZ. 



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