204
THE BIOLOGY OF EUPHAUSIIDS
a
R
M.mrvegica
[I
FIG. 71. Seasonal variation in the average values for the mounts and percentages of
lipids (upper graphs) and for the percentages of lipids i n different weight classes
(lower graphs) of Meganyctiphanea norvegica and ThysmoLsa raachii. (After
Fiuher, 1962a.)