Bull. U. S. B. F., 1924. (Doc. 968.) 
Fig. 112. — Phytoplankton dominated by Ccratium longiprs, with only an occasional C. tripos. The photograph 
also shows eopepod nauplii. Surface haul off Cape Elizabeth, August 14, 1914 (station 10251). X 50 
Fig. 113. — Monotonous Ceratium tripos plankton, with occasional C.fusus, Peridinium, and eopepod nauplii. 
Surface haul off Cape Cod. October 26. 1915 (station 10336'. X about 25 
