Demy 8vo. 7s. 6d. net. Four English Philosophers of the Nineteenth Century Illustrated By A. B. Griffiths, Ph.D. Gold Medallist and Hon. Member of the Royal Academy of Sciences of Lisbon . Hon. Member of the Academy of Sciences of Montpellier; Gold Medallist of the Academic Rationale de Paris ; Hon. Member of the Societies of Sciences of Bttcharest, Mexico, Biarritz, and Rio Janeiro; Author of" Biographies of Scientific Men" "Respiratory Proteids" " The Physiology of the Invertebrate" "A Manual of Bacteriology" "Researches on Micro-organisms" etc. t etc. LONDON ROBERT SUTTON WALPOLE HOUSE, 28 HENRIETTA STREET, W.C.
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