AM 



^'l'L.U 



^ibraru of t^e Pusaim 



OF 



COMPARATIYE ZOÖLOGY, 



AI HARVARD COLLEGE, CAMBRlIKiB, MASS. 

 jFoun^ieTi i)g prfbate suhscrfption, in 1861. 



Deposited by ALEX. AGASSIZ. 



. No. 11. 1o^ 



