III. Foods. By Edward Smith, M.D., LL.B., F.R.S. With numerous Illustrations. Fifth Edition. Crown 8vo. Cloth, price 5s.
IV. Mind and Body: The Theories of their Relation. By Alexander Bain, LL.D. With Four Illustrations. Fifth Edition. Crown 8vo. Cloth, price 4s.
V. The Study of Sociology. By Herbert Spencer. Sixth Edition. Crown 8vo. Cloth, price 5s.
VI. On the Conservation of Energy. By Balfour Stewart, M.A., LL.D., F.R.S. With 14 Illustrations. Fourth Edition. Crown 8vo. Cloth, price 5s.
VII. Animal Locomotion: or, Walking, Swimming, and Flying. By J. B. Pettigrew, M.D., F.R.S., etc. With 130 Illustrations. Second Edition. Crown 8vo. Cloth, price 5s.
VIII. Responsibility in Mental Disease. By Henry Maudsley, M.D. Third Edition. Crown 8vo. Cloth, price 5s.
IX. The New Chemistry. By Professor J. P. Cooke, of the Harvard University. With 31 Illustrations. Fourth Edition. Crown 8vo. Cloth, price 5s.
X. The Science of Law. By Professor Sheldon Amos. Third Edition. Crown 8vo. Cloth, price 5s.
XI. Animal Mechanism. A Treatise on Terrestrial and Aerial Locomotion. By Professor E. J. Marey. With 117 Illustrations. Second Edition. Crown 8vo. Cloth, price 5s.
XII. The Doctrine of Descent and Darwinism. By Professor Oscar Schmidt (Strasburg University). With 26 Illustrations. Third Edition. Crown 8vo. Cloth, price 5s.