-% 1 ■• 





fibrarg of % Sfascimi 







OP 







COMPARATIVE ZOÓLOGY, 







AT HARVARD COLLEGE, CAMBRIDGE, MASS. 







jFountirìJ bj? prfbate suftscrfplion, In 1861. 







Deposited by ALEX. AGASSIZ. 







0<j&.3. /far- Xo'^/r^, 













