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NATURE 



\_Nov. 14, 187J5 



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GEGENBAUR'S COMPARATIVE ANATOMY. 



A Translation by F. Jefrey Bell, B.A. Revised with Preface by Prof, E. Ray Lankester, F.K.S. Wiihnwmerous 

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COAL, ITS HISTORY AND ITS USES. 



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A TREATISE ON CHEMISTRY. 



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FOWNES' CHEMISTRY BY WATTS. 



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The ART of SCIENTIFIC DISCpVERY; 



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AN ELEMENTARY TREATISE 

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HUMBOLDT'S NATUR UND REISE 



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