of the human workmanship of the (now unfavoured) 'Pre-palaeolithic' implements and rostro-carinates, and championed their cause at the Royal Society in 1910–1912. Through correspondence he became the scientific mentor of the Suffolk prehistorian James Reid Moir (1879–1944). He was a friend of Karl Marx in the latter's later years and was among the few persons present at his funeral. Lankester was active in attempting to expose the frauds of Spiritualist mediums during the 1920s. He was an important writer of popular science, his weekly newspaper columns over many years being assembled and reprinted in a series of books entitled Science from an Easy Chair (first series, 1910; second series, 1912). Publications His professional writings include the following: A Monograph of the Cephalaspidian Fishes (1870) On comparative longevity in man and the lower animals (1870) Contributions to the Developmental History of the Mollusca (1875) Notes on the embryology and classification of the Animal Kingdom: comprising a Revision of Speculations relative to the Origin and Significance of the Germ-layers Quarterly Journal of Microscopical Science Vol 17 Pages 399-454 (1877) (1880) Limulus an Arachnid Quarterly Journal of Microscopical Science Vol 21 Pages 504-548 (1881) The Advancement of Science (1889), collected essays A Treatise on Zoology (1900–09), (editor) Part 1, fascicle 1: Introduction and Protozoa (1909) by S.J. Hickson, J.J. Lister, F.W. Gamble, A. Willey, H.M. Woodcock, W.F.R. Weldon and E. Ray Lankester Part 1, fasc. 2: Introduction and Protozoa (1903) by S.J. Hickson, J.J. Lister,F.W. Gamble, A. Willey, H.M. Woodcock, W.F.R. Weldon and E. Ray Lankester Part 2: The Porifera and Coelentera (1900) by E.A. Minchin, G. Herbert Fowler and Gilbert C. Bourne ('Introduction' by E. Ray Lankester) Part 3: The Echinoderma (1900) by F.A. Bather, J.W. Gregory and E.S. Goodrich Part 4: The Platyhelmia, Mesozoa, and Nemertini (1901) by W. Blaxland Benham Part 5: Mollusca (1906) by Paul Pelseneer Part 7, fasc. 3: Appendiculata—Crustacea (1909) by W.T. Calman Part 9, fasc. 1: Vertebrata Craniata (1909) by E.S. Goodrich Extinct Animals (1905) Nature and Man (1905) (Romanes Lecture for 1905) The Kingdom of Man (1907) Science from an Easy Chair (1910) Great and Small Things (1923) Fireside Science (1934) Lankester, R. (1925) Some diversions of a Naturalist, Methuen & Co, Ltd., London. pp. 220. The Lankester Pamphlets are held at the National Marine Biological Library at the Marine Biological Association in Plymouth. These consist of 43 volumes of reprints, with an author index.