to a memoir on the minute structure of Volvox (1852), his work on the structure of fossil plants established British palaeobotany on a scientific basis; Williamson ranks with Adolphe Theodore Brongniart as one of its founders. Legacy The species Bathyporeia guilliamsoniana was named in his honour by Charles Spence Bate. Notes References Attribution: Endnotes: A full account of Williamson's career can be found in his autobiography, entitled Reminiscences of a Yorkshire Naturalist, edited by his wife (London, 1896). Useful obituary notices Count Solms-Laubach, Nature (5 September 1895), and one by D. H. Scott in Proc. R.S. vol. lx. (1897) External links Obituary@Cambridge Journals Online 1816 births 1895 deaths People from Scarborough, North Yorkshire Alumni of University College London English geologists Royal Medal winners Wollaston Medal winners English naturalists Paleobotanists English botanists Fellows of the Royal Society Manchester Literary and Philosophical Society