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I ftbi-arü of \\t ITitscum 



OF 



COMPARATIYE ZOÖLOGY, 



AI HARVARD COllECE, CAMBRIDGE, MASS. 

 j^otintrcU is pttbate suti0crtplfon, fn 1861. 



Deposited by ALEX. AGASSIZ 



iVö. 4 



No. 4'S^/? 



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