M : ' SO 



OF 



COMP AR ATI YE ZOÖLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 

 jFountie'ö Ii;u pntoate subscrfptfon, fn 1861. 



/iL 



The gift of LOUIS AGASSIZ. 



No. Vj/f 



/ eyc /. /$ryo 



