as cooled in air and quenched just below the freezing point. of difficulty of reproduction these are not published. the original conception of the problem and also the metliotl ol :itt,ick. URBANA, ILLINOIS.

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Briefly describes the lives and scientific contributions of some of Liebig's American pupils, including John Lawrence Smith, Eben Norton Horsford, Oliver Wolcott Gibbs, Charles Mayer Wetherill, John Addison Porter, Frederic Augustus Genth, and Samuel William Johnson.

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