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11. ANIMAL MECHANISM. A Treatise on Terrestrial and Aerial Locomotion. By 



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12. THE HISTORY OF THE CONFLICT BETWEEN RELIGION AND SCI- 



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14. THE CHEMISTRY OF LIGHT AND PHOTOGRAPHY. By Dr. HERMANN 



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15. FUNGI; their Nature, Influence, and Uses. By M. C. COOKE, LL. D. Edited 



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16. THE 'LIFE AND GROWTH OF LANGUAGE. Bv Prof. W. D. WHITNEY, of 



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18. THE NATURE OF LIGHT. By Dr. E. LOMMEL. 88 Illustrations and a Plate 



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19. ANIMAL PARASITES AND MESSMATES. By M. VAN BENEDEN, Professor 



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21. THE FIVE SENSES OF MAN. By J. BERNSTEIN, O. O. Professor in the Uni- 



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22. THE THEORY OF SOUND IN ITS RELATION TO MUSIC. By Prof. 



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23. STUDIES IN SPECTRUM ANALYSIS. By J. NORMAN LOCKYER. Illus- 



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24. A HISTORY OF THE GROWTH OF THE STEAM-ENGINE. By ROBERT 



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26. MODERN CHROMATICS. By OG'DKN N. ROOD, Professor of Physics in Co- 



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30. ANIMAL LIFE AS AFFECTED BY THE NATURAL CONDITIONS OF 



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81. SIGHT: An Exposition of the Principles of Monocular and Binocular Vision. By 

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