Alex. Agassiz. 



OF 



COMPARATIYE ZOÖLOGY, 



AT HAEYAED CöllECE, CAMBRIDGE, MASS. 

 iFountrcti iw pvfbnte siibscrfjjtfon, in 1861. 



Deposited by Alex. Agassiz 

 from the Library of LOUIS AGASSIZ. 



cM 



No. (o/fS 



