

Bcn^J /^2r 



^ibrarg ûf %t 



SElusmm 



OF 





COMPARAÏIYE 



ZOOLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 



jFounïieïi fis prfbate sufiscrtjitîon, fn 1861. 



/• • COi /Çcry^^cfz^ 



J;f IrrA^ 



No. ^S~^ 





