z:-c 



/^.r 



4£LbX7 AcrAssnii 



^rbrarn of t(;e ^uscum 



OF 



COMPARATIVE ZOÔLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 



jFounïJeïi lij pvîbate subscrfptfon, fn 1861. 



Deposited by ALEX. AGASSIZ. 



No. ^ ^ . 



