Jan. 12 7.793 grams. 7.33 grams. 13 9.992 7.64 21 grams. 14 7.388 6.21 26 15 8.560 8.18 52 16 7.282 7.92 37 17 8.349 7.26 11 ------ ------ ------ 147 grams contain 6.97% N. 49.364 44.54 + 10.24 grams nitrogen. ------ ---------------------- 49.364 grams nitrogen. 54.78 grams nitrogen. Nitrogen balance for six days = -5.416 grams. Nitrogen balance per day = -0.902 gram. Daily diet same as Oakman’s, except that a smaller amount of coffee was taken at breakfast on the 14th. Nitrogen correction made accordingly. [Illustration: COFFMAN STELTZ _Photographs taken at the close of the experiment._] NITROGEN BALANCE.—_Steltz._ Nitrogen Output. Taken in. Nitrogen in Urine. Weight of Fæces (dry). Jan. 12 7.793 grams. 4.61 grams. 15.0 grams. 13 9.463 7.90 34.0 14 7.412 4.99 21.0 15 8.560 9.05 31.5 16 7.282 7.56 33.0 17 8.349 8.55 18.0 ------ ------ ------ 152.5 grams contain 6.52% N. 48.859 42.66 + 9.94 grams nitrogen. ------ ---------------------- 48.859 grams nitrogen. 52.60 grams nitrogen. Nitrogen balance for six days = -3.741 grams. Nitrogen balance per day = -0.623 gram. Daily diet same as Oakman’s, except on January 13, when 8 grams of boiled rice were uneaten at breakfast and 100 grams of fried rice at supper. Correction in nitrogen-content made accordingly. NITROGEN BALANCE.—_Bates._ Nitrogen Output. Taken in. Nitrogen in Urine. Weight of Fæces (dry). Jan. 12 7.706 grams. 7.46 grams. 13 9.916 7.03 14 7.375 7.13 36 grams. 15 8.439 8.04 30 16 7.226 7.66 34 17 8.349 7.38 34 ------ ------ ------ 134 grams contain 7.17% N. 49.011 44.70 + 9.61 grams nitrogen. ------ ---------------------- 49.011 grams nitrogen. 54.31 grams nitrogen. Nitrogen balance for six days = -5.299 grams. Nitrogen balance per day = -0.883 gram. Daily diet same as Oakman’s, with the following exceptions: