On the 22nd of July, 1828, the Sydney South Seaman, Indefatigable , eleven days out from the Port of Conception in Chili, was in lat 17? S. and about 127? E. long., six hundred miles distant from the nearest land—the then almost unknown Paumotu Group, which Cook had well named the Dangerous Archipelago. Five years before, the brig was named the Calder , and was then commanded by Captain Peter Dillon, a famous officer in the East India Company's service; his name is interwoven with the sea story