■r-»k "T^ 



357.x 



f ibrarjï aï tljc Puscum 



OF 



COMPARATIVE ZOOLOGY, 



AT DARVARD COllEGE, CAMBRIECE, ÎIASS. 

 jyounlicli bn prrbnte sMl)sctf})tfon, fn 1861. 



Deposited by Alex. Agassiz 

 fromthe Libraxy of LOUIS AGASSIZ. 



^"•"1^ 



