Supplement to ''Nature'' Dece^nber 29, 1923 



^C 



Guichard, Marcel. Conferences de chimie minerale 

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Kolthoff, I. M. Konduktometrische Titrationen. 8vo. 

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Loring, F. H. The Chemical Elements. Demy 8vo. 

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Luff, B, D. W. The Chemistry of Rubber. Cr. 4to. 

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M'Intosh, John Geddes. Industrial Alcohol : the Pro- 

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Mellor, J. W. A Comprehensive Treatise on Inorganic 

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Sherrill, Miles S. A Course of Laboratory Experi- 

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Walden, Paul. Elektrochemie der crigen 



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McMillan, Walter G. A Treatise on Electro-Metal- 

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Muller, Erich. La Pratique electrochimique : les be- 

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