Bull. U. S. B. I'.. L924. (Doc. 968.) 



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Fig Hi Plankton dominated by adull amphipods (Euthemisto) and by Calanwfinmarchicus. Southwestern 

 edge of Georges Bank, July 24, 1916, haul from 160-0 meters (station 10351). X about 1 





Fig 17. — Pteropods (iimocina retroversa) and Co/onus n»- 

 morcMcus, northwest part of Georges Bank, July 20, 1914, 

 haul from 50-0 meters (station 10215). X about 2.5 



