Astronomical observations made in the voyages which were undertaken by order of His present Majesty, for making discoveries in the southern hemisphere

and successively performed by Commodore Byron, Captain Wallace, Captain Carteret, and Captain Cook, in the Dolphin, Tamer, Swallow, and Endeavour : drawn up and published by order of the Commissioners of Longitude, from the journals which were kept by the several commanders, and from the papers of Mr. Charles Green, formerly assistant at the Royal Observator