Parts. Urea 18.5 Potassic hippurate 16.5 Alkaline lactates 17.2 Potassium bicarbonate 16.1 Magnesium carbonate 4.7 Lime carbonate 0.6 Potassium sulphate 3.6 Common salt 1.5 Silica Trace Phosphates 0.0 Water and undetermined substances 921.3 _______ Total 1,000.0 The following table after Tereg[1] gives the different conditions of the urine, and especially the amount of urea and hippuric acid under different rations. The subjects were two oxen, weighing, respectively, 1,260 pounds and 1,060 pounds: --------------+------+-----+-----+-----+-----+-----+------+-----+-----+---- Food per day.|Water. (pounds) | |Urine | |Passed. | | |Density. | | | |Solids | | | |in urine. | | | | |Hippuric | | | | |acid. | | | | | |Urea. | | | | | | |Nitrogen | | | | | | |in hippuric | | | | | | |acid and | | | | | | |urea. | | | | | | | |Total | | | | | | | |nitrogen. | | | | | | | | |Urea | | | | | | | | |per day. | | | | | | | | | |Hip- | | | | | | | | | |puric | | | | | | | | | |acid | | | | | | | | | |per | | | | | | | | | |week --------------+------+-----+-----+-----+-----+-----+-----+-----+-----+----- |_Lbs._|_Lbs_| |_Pct_|_Pct_|_Pct_|_Pct_|_Pct_|_Ozs_|_Ozs_ 16.90 wheat | | | | | | | | | | straw, and | 46.46| 7.40|1,036| 8.41| 2.66| 1.33| 0.83| 0.94| 1.63|3.23 1.30 bean | | | | | | | | | | meal | | | | | | | | | | | | | | | | | | | | 14.70 oat | | | | | | | | | | straw, and | 61.10|15.26|1,039| 6.93| 2.09| 0.84| 0.55| 0.49| 2.2 |5.3 2.30 bean | | | | | | | | | |