The Chemical Constituents of the Organism. 5 



Nitrogenous Bodies — Continued. 

 III.— Amides. 



1. Urea, urine, etc. 



2. Oxaluric acid, urine. 



3. Allantoin, embryonic fluids. 



IV.— Amido Acids. 



1. Glycocolle, glycocin or glycin, bile, etc. 



2. Leucin, pancreas, spleen, intestinal canal. 



3. Tyrosin, pancreas, intestinal canal. 



4. Creatin, muscles. 



5. Creatinin, urine. 



6. Taurin, muscles, lungs, feces. 



7. Cystin, urine. 



8. Sarcosin, muscle. 



V.— Nitrogenous Acids. 



1. Sulpbocyanic acid, saliva. 



2. Uric acid, urine. 



3. Hippuric acid, urine. 



4. Inosinic acid, muscle. 



b. Bile acids — glycocbolic, taurocholic, and cbolalic acids. 



VI.— Salts formed by Organic Acids and Inorganic Basks. 



1. Hippurate of soda, urine. 



2. Hippurate of lime, urine. 



3. Urate of soda, urine. 



4. Urate of lime, urine. 



5. Oxalate of lime, urine. 



6. Glycocbolate of soda, bile. 



7. Taurocholate of soda, bile. 



8. Sulphocyanide of potassium, saliva. 



0. Phenolsulphate of potassium, urine. 



VII.— Nitrogenous Bodies containing no Oxygen. 



1. Trimethylamine, urine. 



2. Indol, fseces. 



3. Skatol, faeces. 



VIII.— Pigments. 



1. Blood pigments— haemoglobin, hsematin, hiematoidin. 



2. Bile pigments— bilirubin, biliverdin, choletelin, bilifuscin, 



biliprasin, hydrobilirubin. 



3. Urine pigments — urobilin and indican. 



4. Other pigments— lutein (yolk of egg), melanin (eye), stereo 



bilin (faeces). 



