Bull. U. S. B. F., 1924. (Doc. 968.) 
Fig. 29.— Plankton dominated by half-grown Calanus finmarchicus, Massachusetts Bay, May 4, 1915 
(station 10266), vertical haul from 125-0 meters. X 9 
Fig. 30. — Plankton dominated by large Calanus finmarchicus off Cape Cod, July 22, 1916, haul from 40-0 
meters (station 10344). This sample is from the most productive catch of Calanus yet made in the Gulf 
of Maine. X 9 
