The following determinations of basal metabolism were calculated by indirect calorimetry from the oxygen absorption and the R. Q., these factors being obtained by means of Benedict's unit apparatus (mouthpiece and spirometer). At least three ten-minute periods were run, and the average taken for that day's basal metabolism. In case I the calculation included the estimation of calories due to non-protein metabolism and to this was added that due to protein. In the other cases the protein

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... sm was ignored. None of these cases had over 6-7 grams urinary nitrogen per day, so that the protein element would not affect the total calorie calculation by more than I to 2 per cent. The body surface has been calculated by Meeh's formula and also by DuBok"~. The results are given in the table. Cases studied were : Case I .