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yibraro of t^c P^useum 



COMPARATIVE ZOOLOGY, 



AT HARVARD CfllLEGE, CAMBRIDGE, MASS. 

 l^otintiEti bj pribate subscrfjitfon, fn 1861. 



c>L_yo 'LyLcrrViyrrxZy/Zj^ 



No. /?y/ 



