40 IMMEDIATE PRINCIPLES OF THE TISSUES. 



4th. Fatty and saponaceous compounds, 13 in number. 

 C. The third class organic substances has three divisions: 

 1st. Substances naturally in a liquid state (7). 

 2d. Those naturally solid or demisolid (7). 

 3d. Pigmentary substances, also solid or demisolid (4). 



The following table indicates the particular compounds included 

 in each of the classes and divisions just mentioned. 



Tabular Classification of the Immediate Principles. 



Group I. PRINCIPLES CRYSTALLIZABLE OR VOLATILE, INDEPEND- 

 ENTLY OF DECOMPOSITION. 



FIEST CLASS. PRINCIPLES OF MINERAL ORIGIN (24). 



First Division. GASEOUS AND NOT SALINE (5). 

 Oxygen, Carbonic acid 



Hydrogen, Water. 



Nitrogen, 



Second Division. SALTS (19). 



Chloride of Sodium, Sulphate of Soda, 

 " Potassium, " Lime, 



Fluoride of Calcium, Basic Phosphate of Lime (Bones), 



Hydrochlorate of Ammonia, Acid Phosphate " 



Carbonate of Lime, Phosphate of Magnesia, 



" Magnesia, Neutral Phosphate of Soda, 



" Potassa, Acid " " 



" Soda, Phosphate of Potassa, 



Bicarbonate " Ammonio-Magnesian Phosphate. 

 Sulphate of Potassa, 



SECOND CLASS. PRINCIPLES OF ORGANIC ORIGIN, FORMED WITHIN THE 



BODY BY DIS- ASSIMILATION' (42). 

 First Division. ACID OR SALINE PRINCIPLES (23). 



Lactic Acid, Hippuric Acid, 



Lactate of Soda, Hippurate of Lime, 



Potassa, " Soda, 



" Lime, " Potassa, 



Oxalate of Lime, Inosate of Potassa, 



Uric Acid, Pneumic Acid, 



Neutral Urate of Soda, Pneumate of Soda, 



Acid " " Taurocholate " 



Urate of Potassa, Hyocholinate " 



" Magnesia, Glycocholate " 



" Lime, Lithofellic Acid. 

 " Ammonia, 



