

■■ 



-■■..:. ■ • , 



. 



■ ;■- 





' ; 





: 



■ 



% 



n -:'c>- 









> 









■ 



i 



HARVARD UNIVERSITY. 



. 



LIBRARY 



OK THE 



MUSEUM OF COMPARATIVE ZOOLOGY 



ftyl 





^(V^v^A^ 



b 















/ 









■-' 



