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; 0> 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 
