^m^ 





i^ibrarn of tljc P^ttscitm 



OF 



COMPARATIYE ZOÖLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 



ifonutictr i]) jirfbate sttliscrfpifon, in ISGI, 



From the Library of LOUIS AGASSI Z. 



No. c/"X"'^ ^ 



