



^•7^/ J- : ^ 



^ibrarg of % Shrsntm 



OF 



COMPARATIVE ZOÔLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 



JFounîieîr b$ prfbatc suliscrfpttou, fn 1861. 



ûiwrjj. 



No. ôû i, 



