/^^BBUHO /<f'/-ci 



Alex. Agassiz. 



^ibrarn of tbe iPusnim 



OK 



COMPARATIVE ZÜÖLÜGY, 



AT HARVARD COllEGB, CAMBRIDGE, MASS. 

 JouiiBrlj bu ijriSate subscri^jtiou, in 18(51. 



Deposited by ALEX. AGASSIZ. 

 No. ^3S/ 



