4 The International Scientific Series — continued. 



XXVIII. THE CRA YFISH : an Introduction to the Study 

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XXXIII. SIGHT: an Exposition of the Principles of Mono- 

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XXXVI. SUICIDE: An Essay on Comparative Moral 

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XXXVII. THE BRAIN AND ITS FUNCTIONS. By 

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XXXVIII MYTH AND SCIENCE. An Essay. By Tito 

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London : 

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