■ 



jjjfaip^^^yV^iiAf^^ *«-. *<— 



•"'^MMWt- 



TW^Wtrt 1 ' 



■<# 



u 







W 



■ 







. 















■ 



» »' 



HARVARD UNIVERSITY. 



*i 



/ 



LIBRARY 



OF THE 



MUSEUM OF COMPAEATIVE ZOOLOGY. 



GIFT OF 



ALEX. AGASSIZ. 





m 



Sl^ ,Y\^ 



r ^ 



> 





BiMer 



ve&w 



'**?* 



» f . - . 



..^JW. 

















■ 











