1905.] On Tubercular Infection in a Patient's Blood, etc. 205 

 Observation 3. — Case diagnosed, Lupus erythematosus. 



Date. 



Tuberculo-opsonic index. 



Clinical data. 



10.4.05 



0-66 





Inoculation of 5 milligrammes of old tuberculin. 





11.4.05 



0-7 



Quite insignificant con- 



12.4.05 



1-2 



stitutional disturbance. 



14.4.05 



0-85 





Observation 4. — Case diagnosed as Lupus vulgaris. 



Date. 



Tuberculo-opsonic index. 



Clinical data. 



10.4.05 



Inoculation of 5 n 



11.4.05 



12.4.05 



14.4.05 



0- 55 



lilligrammes of old tuberculin. 

 1 -1 



1 -o 



1- 



Quite insignificant con- 

 stitutional reaction. 



Observation 5. — Lupus, patient had been treated for many months by 

 therapeutic inoculations of tubercle vaccine. 



Date. 



Tuberculo-opsonic index. 



Clinical data. 



24.1.05 



1 -4 





Inoculation of 30 milligrammes of tuberculin. 





25.1.05 



0-34 



Severe constitutional and 



26.1.05 



2-1 



local reaction, t. of 



27.1.05 



1-7 



103° F. 



Diagnosis of Tubercular Infection by the Comparison of the Opsonic Povjer oj 

 the Patient's Blood with the Tuberculo-crpsonic Povser of the Fluids 

 Derived from the Focus of Infection. 



Attention has already been drawn by one of us, both in a research 

 undertaken in conjunction with Lamb* and in a research undertaken in 

 conjunction with Douglas,f to the fact that we have in the actual focus of 



* 'Lancet,' December 23, 1899. 

 + 'Koy. Soc. Proc.,' vol. 74, p. 157. 



