n/,' 



■ I 



^ 



99 6 ^ 

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ïxkarg ai i^è '^uuum 



OF 



COMPARATIVE ZOÔLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 



iFounîreîr 6» ^jrfbate sulJscrtîitfon, fn 1861. 



No. S0 3 



'^. /irirz - dU^ . ô'j^yS. 



