ON THE SECRETION OF SALIVA. 
141 
Per cent. 
Sodium chloride. 7'730 
Potassium ctloride.4'600 
Sodium carbonate.4‘510 
Potassium sulphate.1'045 
Calcium carbonate. ’750 
Calcium phosphate. '565 
19-200 
COg was passed tlirough this to dissolve as far as possible the calcium salts, and the 
mixture was then filtered. 
