318 



bulletin: museum of comparative zoology. 



to Station 10246 on the one hand, and probably around Cape Cod to 

 connect with the "rich" water off Marthas Vineyard (Station 10258) 

 on the other (Fig. 96); and there was a second "rich" area over the 

 northeastern part of Georges Bank, a third off Cape Sable. On the 

 other hand the northeastern, eastern, and southeastern parts of the 

 Gulf, including the Eastern Channel, the extreme northern edge of 



1 , ^ V ^, 



UpsF 



Fig. 96. — Large Calanus per square meter of sea area, July-August, 1914. 

 5, very rich 50,000 + 



4, rich 30,000-50,000 



3, intermediate 10,000-30,000 

 1, scanty 10,000- 



Georges Bank, Brown's Bank, the outer part of the continental shelf 

 south and southwest of Halifax, and the oceanic water on the conti- 

 nental slope were very barren. 



The numbers of copepods as a whole, and of large Calanus, per 

 square meter, in 1915 is listed in the following table: — 



