PLANKTON OF THE GULF OF MAINE 



185 



Anomalocera is likewise least plentiful in the North Sea region generally in 

 February, but from year to year may reach its maximum there at any time from 

 May to November (T. Scott, 1911). llecognition of the brevity of its period of maxi- 



Porllartd 



Fio. 63. — Occurrence of the blue copepod Anomalocera pattersoni in August. X, locality records for August, 1912 to 1914; 

 #, locality records for August, 1S95 (from Dr. W. C. Kendall's field notes) 



mum abundance (now sufficiently established as usual if not invariable) forces me 

 to correct a previous statement that it markedly diminished in the Gulf of Maine 

 from 1913 to 1915 (Bigelow, 1917, p. 292). Its more frequent occurrence in the 



