1880.] Of Nitrogen excreted in the Urine by Man at Rest. 449 



Diet (as given). 

 Solids. 



Meat 4 ozs., containing of nitrogen* 76 grains. 



Bread 3 „ „ „ 16*5 „ 



Potatoes 2 „ ,, 2*0 „ 



Butter 1 „ „ „ 0-2 „ 



10 ozs. 94*7 grains. 

 or 6*3 grms. 



Liquids. 



"Water 4 ozs. 



Wine (port) 3 „ 



Tea 3 „ 



10 ozs. 



Urine (the mean of each case). 



I. II. III. 



Volume of urine 470 c.c 490 c.c 384 c.c. 



Ash 5-264 .... 6-125 .... 6-26 



C, H, and (difference) 10*434 .... 1078 .... 7*58 



Nitrogen 8*601 .... 8*624 .... 6*374 



Percentage of nitrogen 94*53 88*06 87*35 

 as urea. ■ 1 — 



Urine percentage averages upon fixed diet. 



I. II. III. 



Total nitrogen 1*83 1-76 1'66 



N as urea 1*73 1*55 .... 1*45 



Solid residue 5*17 .... 5*21 .... 5*£6 



Ash 1*12 .... 1-25 .... 163 



C, H, and O (difference) 2*22 2*2 .... 1*974 



Amount of urine 470 c.c. 490 c.c. 384 c.c. 



Specific gravity 1028 „ 1030 „ 1029 „ 



By calculation from tables given in Partes' " Hygiene.' 1 



