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copepods to be worth listing in the summer of 1914, but its constant presence in surface 
tows at St. Andrews the year round (p. 276), with the Grampus captures of it at the 
Fig. 83. — Occurrence of the copepod Pseudocalanus elongatus. X. locality records, June to October; 0, December to May 
surface in other harbors in midsummer, proves that it is always to be expected a few 
meters down and is brought up by the mixing effect of moderately strong tidal currents. 
I have been unable to find evidence of a stratification of this species at any 
definite depth in the gulf. The concentration of the richer catches of Pseudocalanus 
