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XXVI. The HUMAN SPECIES. By Professor A. DE QUATREFAGES, Membre de l’Institut. Fifth Edition.
XXVII. MODERN CHROMATICS. With Application to Art and Industry. By OGDEN N. ROOD. Third Edition. With 130 original Illustrations.
XXVIII. The CRAYFISH: an Introduction to the Study of Zoology. By T. H. HUXLEY, F.R.S. Sixth Edition. With 82 Illustrations.