<Ul> <Li> Captain: John Clements Wickham (1798--1864), succeeded by John Lort Stokes (1812--1885) </Li> <Li> Physician - naturalist: Benjamin Bynoe (1804--1865) </Li> <Li> Publication: J. L . Stokes, Discoveries in Australia, With an Account of the Coasts and Rivers Explored and Surveyed During The Voyage of H.M.S. Beagle, in the Years 1837 - 38 - 39 - 40 - 41 - 42 - 43 . By Command of the Lords Commissioners of the Admiralty . Also a Narrative of Captain Owen Stanley's Visits to the Islands in the Arafura Sea . Vol. 1 and Vol. 2 (London, 1846) </Li> </Ul> <Li> Captain: John Clements Wickham (1798--1864), succeeded by John Lort Stokes (1812--1885) </Li> <Li> Physician - naturalist: Benjamin Bynoe (1804--1865) </Li> <Li> Publication: J. L . Stokes, Discoveries in Australia, With an Account of the Coasts and Rivers Explored and Surveyed During The Voyage of H.M.S. Beagle, in the Years 1837 - 38 - 39 - 40 - 41 - 42 - 43 . By Command of the Lords Commissioners of the Admiralty . Also a Narrative of Captain Owen Stanley's Visits to the Islands in the Arafura Sea . Vol. 1 and Vol. 2 (London, 1846) </Li>

What improvements were made during the age of discovery that assisted navigation