Kegan Paul, Trench & Co.'s Publications. 29 



XXIV. A History of the Growth of the Steam Engine. By 



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XXV. Education as a Science. By Alexander Bain, LL.D, Fourth 



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XXVII. Modern Chromatics. With Applications to Art and In- 

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XXVIII. The Crayfish : an Introduction to the Study of Zoology. By 

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XXIX. The Brain as an Organ of Mind. By H. Charlton Bastian, 

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XXXI. The Natural Conditions of Existence as they affect 

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