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Partly from curiosity and partly from idleness, I went into the

lecturing room, which M. Waldman entered shortly after. This

professor was very unlike his colleague. He appeared about fifty

years of age, but with an aspect expressive of the greatest

benevolence; a few grey hairs covered his temples, but those at

the back of his head were nearly black. His person was short but

remarkably erect and his voice the sweetest I had ever heard. He

began his lecture by a recapitulation of the history of chemistry

and the various improvements made by different men of learning,

pronouncing with fervour the names of the most distinguished

discoverers. He then took a cursory view of the present state of

the science and explained many of its elementary terms. After

having made a few preparatory experiments, he concluded with a

panegyric upon modern chemistry, the terms of which I shall never

forget: