DISTRIBUTION OF ANTARCTIC MACROPLANKTON 



95 



Table I . Mean diurnal variations 



Throughout this paper hours are expressed according to the 24-hour notation. Bracketed figures 

 at the head of the columns represent the range in time of the observations, while the mean of the 

 4-hour period, which has been used in the construction of Figs. 18-20, is placed above. 



