«I 



^ibrarn of tfjc ^uscum 



OF 



COMPARATIYE ZOÖLOGY, 



AT ÜAPvVARD COLLEGE, CAMBRIDGE, MASS. 

 jFoiiuTirt l)]) pribntc sutscifiiiion, fn 1861. 



From the Library of LOUIS AGASSIZ. 



No. /J'Ä. 



