Jen 



^ibrarn of tbe K^usntm 



OP 



COMPARATIYE ZOÖLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 

 jFouulJcti b» pvibntc suliscriptfon, in 1861. 



Deposited by ALEX. AGASSIZ. 



No.ioißQlf. 



nuctS 



