Discovery reports (1937) Discovery reports discoveryreports14inst Year: 1937 MATERIAL 199 the Antarctic and sub-Antarctic and the coldest parts of the subtropical Zones, encircling the Antarctic continent east-about from South Africa to South America, was made in the winter months (April-October) of 1932. A line of stations from South Georgia to the ice-edge off the Antarctic continent near the meridian of Greenwich and from there to the Cape was made in March 1933 (Fig. 3). 10 20 30 46 50 60 Antarctic Zone Souivt - 40 6d 80° 70 60° 50° 40° 30° 20° 10 10° 20 30' Fig. 4. Chart showing the
Discovery reports (1937) Discovery reports discoveryreports14inst Year: 1937 MATERIAL 199 the Antarctic and sub-Antarctic and the coldest parts of the subtropical Zones, encircling the Antarctic continent east-about from South Africa to South America, was made in the winter months (April-October) of 1932. A line of stations from South Georgia to the ice-edge off the Antarctic continent near the meridian of Greenwich and from there to the Cape was made in March 1933 (Fig. 3). 10 20 30 46 50 60 Antarctic Zone Souivt - 40 6d 80° 70 60° 50° 40° 30° 20° 10 10° 20 30' Fig. 4. Chart showing the probable average positions of the Antarctic, subtropical and tropical convergences in the South Atlantic (from Hart, 1934, Discovery Reports, viii, p. 5). The southern limit of the two sets of stations in the Falkland sector was the edge of the pack-ice—which had different positions in the two seasons—with the exception that the stations in the Weddell Sea during the first season were made in loose pack-ice itself. Each of the southern turning points of the circumpolar cruises was at the edge of the ice fringing the continent except that to the south-west of South America, where the amount of fuel remaining on the cruise from New Zealand was not enough for the ship to go on to the ice-edge. Among the eleven hauls of plankton nets made at most of these stations were two oblique hauls, one from approximately 250 to 100 m., the other from approximately 100 m. to the surface, taken with a conical net with a mouth i m. in diameter and the greater portion of its fishing part of stramin. This is the N 100 fully described by Kemp and Hardy (1929, p. 184). The specimens of Euphausia in almost all those net
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