.4y 



o 



l^ibrarg 0f i\}t glus^um 



OF 



OCT - 7 1983 

 COMPARATIYE ZOÖLOGY, 



AT HARVARD COllME, CAMBRIDGE, MASS. 

 Jfounlirt ij) prfbatc sufiscrfftfon, in 1861. 



No, -^Så. 



