FIELD OF BIOLOGICAL STATION OPERATIONS. 



AFTER U. S. GOVERNMENT SURVEYS, REVISED BY MEMBERS OF THE STATION STAFF. 



LOW WATER. 



Drawn nv LYDIA M. HART. 



Plate II. 



=^= CVaoon Road 

 ,«'«!&.«'" Bluff. 



iSuisraton. 



Scale of Mih 



iJS-j.-J! Marsh 

 ^"a'P Forest 

 ; ''.V-.:> Sandbar. 



