S-I/)'B 



Ales. Agassiz. 



Sibrarg of tïj^ Sttsewm 



OF 



COMPAEATIYE ZOÖLOGY, 



AT HARVARD COLLEGE, CAMBRIIGE, MASS. 

 jJountieTr hv prfbatc sutsccfjjtfon, fn 1861. 



Deposited by Alex. Agassiz 

 fromthe Library of LOUIS AGASSIZ. 



No. SC /^ 



Bour/J)- /9h^(^ 



