21 ene 2012
British scientists have found scores of fossils the great evolutionary theorist Charles Darwin and his peers collected but that had been lost for more than 150 years.
Dr. Howard Falcon-Lang, a paleontologist at Royal Holloway, University of London, said Tuesday that he stumbled upon the glass slides containing the fossils in an old wooden cabinet that had been shoved in a “gloomy corner” of the massive, drafty British Geological Survey. He found a collection of 314 slides of specimens collected by Darwin and other members of his inner circle, including John Hooker — a botanist and dear friend of Darwin — and the Rev. John Henslow, Darwin’s mentor at Cambridge, whose daughter later married Hooker. The unearthed fossils — lost for 165 years — show there is more to learn from a period of history scientists thought they knew well.
He said one of the most “bizarre” slides came from Hooker’s collection — a specimen of prototaxites, a 400 million-year-old fungus the size of a tree. The slides contain bits of fossil wood and plants ground into thin sheets and affixed to glass in order to be studied under microscopes. Some of the slides are half a foot long (15 centimeters), “great big chunks of glass,” Falcon-Lang said.
Royal Holloway, University of London said the fossils were ‘lost’ because Hooker failed to number them in the formal “specimen register” before setting out on an expedition to the Himalayas. In 1851, the “unregistered” fossils were moved to the Museum of Practical Geology in Piccadilly before being transferred to the South Kensington’s Geological Museum in 1935 and then to the British Geological Survey’s headquarters near Nottingham 50 years later, the university said.
