

**^ y id "L 



X 



i^tbrarg üf t^e S^itscum 



OF 



COMPARATIYE ZOÖLOGY, 



AT HARVARD COLLEGE. CAMBRIDGE, MASS. 

 jfountieli 6i) jjrfbate suftscrfptfon, fn 1861. 



Deposited by ALEX. AGASSIZ. 



