Û1_L 



^ibraru ûf tljc lïïuseum 



COMPARATIVE ZOÔLOGY, 



AT HARVARD COILECE, CAMBRIDGE, MASS. 

 JFouiiîicT) b» pn'batc suftsctfption, in 1861. 



Deposited by ALEX. AGASSIZ. 



I No. 303jCf 



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