page_title: HMS Beagle
section_title: Second voyage (1831–1836)
hierarchical_section_title: HMS Beagle / Second voyage (1831–1836)
caption_attribution_description: English: Nautical chart of the Galapagos Islands. Surveyed by Captn. Robt. Fitz Roy R.N. and the officers of H.M.S. Beagle 1836. No current - not to be used for navigation!
context_page_description: HMS Beagle was a Cherokee-class 10-gun brig-sloop of the Royal Navy, one of more than 100 ships of this class. The vessel, constructed at a cost of £7,803, was launched on 11 May 1820 from the Woolwich Dockyard on the River Thames. Later reports say the ship took part in celebrations of the coronation of King George IV of the United Kingdom, passing through the old London Bridge, and was the first rigged man-of-war afloat upriver of the bridge. There was no immediate need for Beagle so she "lay in ordinary", moored afloat but without masts or rigging. She was then adapted as a survey barque and took part in three survey expeditions.
  The second voyage of HMS Beagle is notable for carrying the recently graduated naturalist Charles Darwin around the world. While the survey work was carried out, Darwin travelled and researched geology, natural history and ethnology onshore. He gained fame by publishing his diary journal, best known as The Voyage of the Beagle, and his findings played a pivotal role in the formation of his scientific theories on evolution and natural selection.
context_section_description: FitzRoy had been given reason to hope that the South American Survey would be continued under his command, but when the Lords of the Admiralty appeared to abandon the plan, he made alternative arrangements to return the Fuegians. A kind uncle heard of this and contacted the Admiralty. Soon afterwards FitzRoy heard that he was to be appointed commander of HMS Chanticleer to go to Tierra del Fuego, but due to her poor condition Beagle was substituted for the voyage. FitzRoy was re-appointed as commander on 27 June 1831 and Beagle was commissioned on 4 July 1831 under his command, with Lieutenants John Clements Wickham and Bartholomew James Sulivan.
  Beagle was immediately taken into dock at Devonport for extensive rebuilding and refitting. As she required a new deck, FitzRoy had the upper-deck raised considerably, by 8 inches (200 mm) aft and 12 inches (300 mm) forward. The Cherokee-class ships had the reputation of being "coffin" brigs, which handled badly and were prone to sinking. Apart from increasing headroom below, the raised deck made Beagle less liable to top-heaviness and possible capsize in heavy weather by reducing the volume of water that could collect on top of the upper deck, trapped aboard by the gunwales. Additional sheathing added to the hull added about seven tons to her burthen and perhaps fifteen to her displacement.
  The ship was one of the first to be fitted with the lightning conductor invented by William Snow Harris. FitzRoy spared no expense in her fitting out, which included 22 chronometers, and five examples of the Sympiesometer, a kind of mercury-free barometer patented by Alexander Adie which was favoured by FitzRoy as giving the accurate readings required by the Admiralty. To reduce magnetic interference with the navigational instruments, FitzRoy proposed replacing the iron guns with brass guns, but the Admiralty turned this request down. (When the ship reached Rio de Janeiro in April 1832, he used his own funds for replacements: the ship now had a "six-pound boat-carronade" on a turntable on the forecastle, two brass six-pound guns before the main-mast, and aft of it another four brass guns; two of these were nine-pound, and the other two six-pound.)
  FitzRoy had found a need for expert advice on geology during the first voyage, and had resolved that if on a similar expedition, he would "endeavour to carry out a person qualified to examine the land; while the officers, and myself, would attend to hydrography." Command in that era could involve stress and loneliness, as shown by the suicide of Captain Stokes, and FitzRoy's own uncle Viscount Castlereagh had committed suicide under stress of overwork. His attempts to get a friend to accompany him fell through, and he asked his friend and superior, Captain Francis Beaufort, to seek a gentleman naturalist as a self-financing passenger who would give him company during the voyage. A sequence of inquiries led to Charles Darwin, a young gentleman on his way to becoming a rural clergyman, joining the voyage. Fitzroy was influenced by the physiognomy of Lavater, and Darwin recounted in his autobiography that he was nearly "rejected, on account of the shape of my nose! He was an ardent disciple of Lavater, & was convinced that he could judge a man's character by the outline of his features; & he doubted whether anyone with my nose could possess sufficient energy & determination for the voyage."
  Beagle was originally scheduled to leave on 24 October 1831 but because of delays in her preparations the departure was delayed until December. Setting forth on what was to become a ground-breaking scientific expedition she departed from Devonport on 10 December. Due to bad weather her first stop was just a few miles ahead, at Barn Pool, on the west side of Plymouth Sound. Beagle left anchorage from Barn Pool on 27 December, passing the nearby town of Plymouth. After completing extensive surveys in South America she returned via New Zealand, Sydney, Hobart Town (6 February 1836), to Falmouth, Cornwall, England, on 2 October 1836.
  Darwin had kept a diary of his expe
caption: Admiralty Chart of the Galapagos Islands, one of the charts resulting from Fitzroy's hydrographic surveys
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