Illustrations on lining papers. Includes index. When the Beagle sailed in 1831, she carried a young naturalist, Charles Darwin, at age 22 still unknown. Destined for the church, Darwin was cosily at ease with creation as explained in Genesis. But everything he encountered on the voyage -- from the primitive people of Tierra del Fuego to the finches of the Galapagos Islands, from earthquakes and eruptions to fossil seashells gathered at 12,000 feet in the Andes -- challenged biblical assumptions and led finally to ‘Origin of the species’.