S'/ 



ITtbrarn of tlje iPusfcnm 



OF 



COMPARATIYE ZOÔLOGY, 



AT HARVARD COLLEGE, CAIIBRIBCE, MASS. 

 i^otinUcTi l)j pvitiatE suiiscrfjjtfon, fn J8ôl. 



L. 



im l'^c^i^Z^ ^, Irrs-n^ 





No. 1^ 9 



