138 



DISCOVERY REPORTS 



THE WEDDELL SEA 

 A line of stations (WS 535-61) taken in the 1930-1 season gives a useful indication 

 of the plankton conditions in the Weddell Sea water east of the South Sandwich Islands 

 and, farther south, on the eastern side of the Weddell Sea itself (see Fig. 14). Table IX 

 shows, for each station, the numbers of the ten most important species taken on this 

 line, together with the total number of all species excluding those which tend to form 

 shoals. Most of the stations were taken on the outward journey, but some were taken 

 on the return, which was on very much the same course. The latter stations are 

 inserted in the table in their proper positions relative to the others. 



Table IX. South Georgia to eastern Weddell Sea 



Many of these stations were in high latitudes where there was little darkness at night 

 and where there seems to be little diurnal variation. The total numbers of organisms 

 are, however, shown above in italics where the hauls were made in daytime between the 



