PLANKTON OF THE GULF OF MAINE 



95 



The most abundant concentrations of plankton which we have yet encountered 

 in the Gulf of Maine have been off Cape Cod on May 26, 1915 (station 10279, nearly 

 4 cubic centimeters per cubic meter) ; on the eastern part of Georges Bank on July 



Fig. 39. — Locations where vertical hauls have taken more than 2 cubic centimeters of animal plankton per cubic meter at 

 different seasons, calculated by the method described on page 94. X, September to November; O. May; July to 

 August 15 



23, 1914 (station 10224, about 5 cubic centimeters per cubic meter); in the eastern 

 basin on September 1, 1915 (station 10309, approximately 3.5 cubic centimeters per 

 cubic meter, assuming some stratification) ; and at the mouth of Massachusetts Bay 

 7589S— 26 7 



