to a certain time of the year. Pursuant to this Act the Norwegian Government resolved on July 13, 1934 «that baleen whales may. be killed in waters south of 50° S. only during the period December 1—March 31». At the same time the Government issued regulations as to the best possible utilisation of the whale, and enjoined the managers of whaling expeditions to take care that they do not kill more whales than the fac- tory has the capacity to deal with within thirty- six hours from the time the whales are shot. Factory ships and whaling boats (chasers) with appurtenant equipment are not allowed to be sold to any foreign country for a period of two years from the date on which the Act comes into force. On September 13, 1934 an Order in Council was made prohibiting the killing also of blue whales under 65 feet and fin-whales under 55 feet. On the initiative of the Norwegian Government the League of Nations passed a Convention in 1931, based on the Norwegian Whaling Act. The terms of this convention totally prohibit the killing of members of such whale species as are becoming very rare and of young whales and female whales accompanied by their calves. The convention further determines that there shall be co-operation between the Government of a country and its whalers, and that all scientific information relating to whale biology shall be sent in by the respective governments to the Statistical Office for Whaling in Oslo. The signatories to the 154