/T-7 



Sftbrarg of % Üttscttm 



OP 



COMPARATIYE ZOÖLOGY, 



AT HARYARB COLLEGE, CAMBRIDGE, MASS. 

 jFoitnöeïi ï>2 pxfbate sutscrfjptfon, fn 1861. 



From the Library of LOUIS AGASSIZ. 



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