i; n (J i ■' 



f I ' rr 



libnxrn of llje gUtstum 



OF 



\ 



COMPARATIVE ZOÔLOGY, 



AT HARVARD COLLEGE, CAMBRIBCE, ÎIASS. 

 jjountjeti bi> ptîbatc subscïfjition, în 1861. 



FromtheLibraryof LOUIS AGASSIZ. 



iVb. c^-^/-^ 



