APPENDIX. 



I6 7 



Noguchi's results with the butyric acid test are 

 shown in the following summary : 



(1) The cerebrospinal fluid of 40 cases of general 

 paresis was tested. 40 gave a positive reaction 

 with Noguchi's test; 34 a positive reaction with 

 Wassermann's test. 



In all the cases where a positive reaction was 

 obtained, the diagnosis agreed with that based on 

 the cytological and clinical findings. 



(2) The cerebrospinal fluid of 43 individuals, 

 comprising cases of alcoholic psychoses, dementia 

 praecox, epileptic and other cerebral affections, was 

 tested. None of these gave a positive reaction 

 with Noguchi's test; two gave a faint reaction with 

 Wassermann's test. 



(3) Tests made on the serum of syphilitic indi- 

 viduals gave the following results : 



(4) The serum of 17 normal, non-syphilitic indi- 

 viduals was tested, without a positive reaction with 

 either test. It may, however, be stated that a 



