PLATE XIV. 





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Fig. 1. — Plankton, consisting almost Fig. 2. — The Luminescent Dinoflagel- 

 whoUy of Noctiluca scintillans. late Ceratium tripos. 



rr^fi^'^ 



Fig. 3. — Copepoda {Pseudocalanus elongatus) from the surface-net. 



All magnified. 



[Photo-micrographs by A. ScOTT. 



