Table 3, Average monthly plankton volumes in the area off southern California and 

 adjacent northern Baja California (lines 80-107) for the months of January 

 through July and October through December, 1951-1958. 



Table 4. Average monthly plankton volumes in the area off central Baja California 

 (lines 110-137) for the months of January throu^ October, 1951-1958 



* Not occupied. 

 ** Volumes for 1958 are imderlined when they are the lowest in the series of eight years. 

 *** An oceanographic survey of the North Pacific Ocean. 



