THE AUTOGENOUS DISEASES. 363 



lactic acid. In the urine of three epileptics there were 

 found albumin and lactic acid directly after the seizure. 

 The factor conamon to all these cases is diminished oxygen- 

 ation of the blood, and to this is ascribed the appearance of 

 the abnormal constituents of the urine. These investiga- 

 tions demonstrate the influence of impure air upon the 

 chemistry of the living cells of the animal body. 



