PLANKTON OF THE WOODS HOLE REGION Wal 
Fic. 74.—Occurrence of Urophycis sp. during successive years, 
1893 to 1907 
Fie. 75.—Occurrence of Steno- 
tomus chrysops during suc- 
cessive years, 1893 to 1907 
Fic. 77.—Occurrence of Syngnathus 
Fic, 76.—Occurrence of Clupea harengus during successive years, 1893 to fuscus during successive years, 1893 
1907 to 1907 
