. Fig. 1. Chart showing diagrammatically the distribution of marked whales and the boundaries of the Antarctic whaling areas. probably in the meantime undertaken a long migration, possibly of 2000 miles to the north and back. Even when a mark is recovered after a few weeks the whale may have wandered a long way from the direct line from the position of marking to the position of recovery.

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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti