.Diagram of the appearance of Venus at internal contact, as seen at Tahiti in 1769 by James Cook and Charles Green. From “Observations Made, by Appointment of the Royal Society, at King Georges Island in the South Sea; By Mr. Charles Green, Formerly Assistant at the Royal Observatory at Greenwich, and Lieut. James Cook, of His Majestys Ship the Endeavour”, Philosophical Transactions, 61 (1771), 397-421, facing p. 410.