334
J. R. 9. BLAXTER AND F. 0 . T. HOLLIDAY
7'
F I ~ .
14. Dietribution of horring in Flndon ground area related to tornperaturn.
(Itu-drtrwn with porrriis&n from Diotrich el al., 1069.)
- - ieotlitrriiis
-- - - - isohalines
. . . . isoplath for I000 herring per half-hour trawl
MX frequent
. . . . :rare
concentrations of herring from echo-sounding record
. . . .