PLANKTON OF THE GULF OF MAINE 



213 



it occurred in the vertical hauls at all but one of the May and June stations for 

 1915 (table, p. 297), covering the basin and coastwise waters of the gulf and Browns 

 Bank as well. 



Fig. 68.— Occurrence of the copepod Calamus hyperboTeiis at different seasons. •. locality records, February to May; X. 

 July to November; A. December and January. The hatched curve marks the offshore limit to the occurrence of this 

 species in summer 



During the summer and # early autumn it continues widespread in the northern 

 and'western parts of the gulf 13 over a belt some 60 to 70 miles wide paralleling the 



" Iniaddition to the localities marked (fig. 68), Willey (1821) found it forming about 8 per cent of a sample of copepods col- 

 ected in aJlO-fatbom tow ofl Eastport, Me., Aug. 2 1916. 



