APPENDIX. 507 



NOTE 17. Ultimate composition of cholic acid. (Dumas.) 



Carbon . 

 Hydrogen 

 Oxygen . 



68-5 



9-7 



21-8 



Atoms. 

 42 

 36 

 10 



Calculated. 

 68-8 

 9-6 

 21-6 



NOTE 18. Ultimate composition of urea. 



Carbon 

 Hydrogen 

 Nitrogen 

 Oxygen 



NOTE 19. Ultimate composition of uric acid. 



NOTE 20, Ultimate composition of hippuric acid. 



The hydrated acid contains : 



Carbon 

 Hydrogen 

 Nitrogen 

 Oxygen 



NOTE 21. 



Carbon 

 Hydrogen 

 Nitrogen 

 Oxygen 



Ultimate composition of uric oxide. 

 (Liebig and Wohler.) 



