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Figure /j. Survey of whaling activities in about 1950. The chief land stations are marked on the map- \^"Mwes show the division of the Antarctic into areas. Shaded regions are closed to pelagic whalers, 



but Area I (S. Pacific) was opened in 1955. The dimensions of the circles reflect the size of the '""*'^°,', ' '^^ -shading reflects the proportion of the various species in it. {Both are calculated from 5-year 



averages.) Some land stations have since ceased operating, while others {e.g. Saldanha Bay and HaiL- "' «"H have resumed activities after a prior interruption. In 1958, China opened a land station {with 



three catchers) at Dairen, and she is at present building another station on Ha'"" * """• Sperm Whales have been caught also at Cape Lopez and Sao Thome. 



