DO NOT ICULAtg 





:i.SO,:^ 



^ibr;trir of tijc IJTitstum 



OF 



COMPARATIVE ZOOLOGY, 



AT nARVARD COLLEGE, CAMBRIDGE. MASS. 

 JFountJcti 111) pifbntc subscvfptfon, in 1861. 



From the Library of LOUIS AGASSIZ. 



No. 4^3 9^. 



