gcUi\'D (9^° 



WHITNEY LIBRARY, 

 HARVARD UNIYERSITY. 



THE GIFT OF 

 J. D. WHITNEY, 



Sturyis Hooper Professor 



MUSEUM Ol COMPARATIVE ZOÖLOGY 



/z f 62 & 



tfltH> TO GEOLÖGICM. 

 IciENCES LIBRARY 



