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he attached the greater physiological importance, believing them to be the sole source of mechanical energy of the body, while the latter group served for the production of animal heat. This distinction cannot be maintained in the light of later investigations. That LIEBIG clearly had it in mind, however, in writing the above paragraph, is shown by the fact that he elsewhere mentions specifically alcohol, beer, and wine as "respiratory foods/' It is, therefore, evident, that to make the above statement accurately express LIEBIG'S view, it should be altered so as to read "contains more ni- trogenous nutriment than eight quarts," etc. Taken by it- self, it entirely misrepresents Liebig's position* *Italics are mine. 44 Misrepresents Liebig's View. R. O. NEUMANN calls attention to the above quotation from LIEBIG in an article on the Significance of Alcohol as Food in the Archiv fur Hygiene, 1899, Vol. xxxvi, pp. 2, 3, He gives the quotation in more detail as follows : "As much flour as can be held on the point of a knife- blade is more nutritious than five (Bavarian) quarts of the best Bavarian beer. A man who should be in condition to drink daily five quarts of beer would thus have in a year, under favorable circumstances, exactly as much nutritive material as in a five-pound loaf of bread or in three pounds of meat." A calculation based on the combustion warmth of starch