They returned home on the HMS Beagle, along with a traveler named Charles Darwin.

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Their remote, pristine beauty beckons to us as it did to the British geologist and naturalist, Charles Darwin, who first arrived on the HMS Beagle in 1831.

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The giant tortoises of the Galapagos helped Charles Darwin formulate his theory of evolution after he visited the islands in the 1830s, on his five year voyage aboard HMS Beagle.

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Other texts appearing online for the first time include the first editions of the Journal Of Researches (1839), The Descent Of Man (1871), The Zoology Of The Voyage Of HMS Beagle (1838-43) and the 2nd, 3rd, 4th and 5th editions of the Origin Of Species, the pivotal tome that elucidated his thoughts on evolution.

BBC: NEWS | Science/Nature | Charles Darwin's works go online