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Xin. THE DOCTEINE OF DESCENT AND DAEWINISM. By 

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XIV. THE CHEMICAL EFFECTS OF LIGHT AND PHOTOG- 

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XV. FUNGI : Their Nature, Influences, Uses, etc. By M. C. Cooke, 

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XVL THE LIFE AND GEOWTH OP LANGUAGE. By Professor 

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XVn. MONEY AND THE MECHANISM OF EXCHANGE. By W. 

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XIX. ANIMAL PARASITES AND MESSMATES. By Monsieur 

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XX. FERMENTATION. By Professor SohOtzenbeeger. With 2» 

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XXI. THE FIVE SENSES OF MAN. By Professor Beenbtein. 

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XXn. THE THEOEY OF SOUND IN ITS EELATION TO MUSIC. 

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