They showed that the Indian Ocean might be linked to the World Oceans, with the eastern limit of the inhabited world beyond the Malay Peninsula being the Island of the Jewel in the Sea of Darkness. The Ptolemaic eastern shore became the Dragon's Tail peninsula.
This research indicated that the Indian Ocean might be connected to the World Oceans, with the eastern boundary of inhabited land beyond the Malay Peninsula being the Island of the Jewel in the Sea of Darkness. The Ptolemaic eastern coast became the Dragon's Tail peninsula.