66 Mr. A. G. E. Foulerton and Dr. A. M. Kellas. [Mar. 30, 



Table II. 



Species. 



Duration 

 of 



exposure 



to the 

 discharge. 



Current and 

 voltage 

 (primary 

 coil). 



Acidity (calcu- 

 lated as nitric 

 acid) of 

 bacterial 

 emulsion at 



end of 

 experiment. 



Percentage 

 of acid in 

 emulsion 

 at end of 

 experiment 

 (calculated as 

 nitric acid). 



Result of experi- 

 ment. 



Distance of Platinum Brush above Surface of Fluid, 2-5 cm. 



Series 1. 













mins. 





gramme. 







JB. anthracis 



20 



4 amperes 



-0004 



0-04 



+ 







74 yolts 















a 'ftftft^ 



\J uo 





JB. dysenteries ... 



20 



3) 



o-oooi 



o-oi 







JB. coli communis 



20 





-0009 



0-09 







JB. pyocyaneus ... 



20 



33 



-0004 



0-04 









20 



33 



-0009 



0-09 







Series 2. 















15 



6 amperes 



0-0005 



0-05 



+ 







80 volts 











15 



33 



-0006 



0-06 







JB. dysenteries ... 



15 



33 



-0007 



0-07 







JB. coli communis 



15 



33 



-0004 



0-04 







JB. pyocyaneus . . . 



15 





-0005 



0-05 







M. agilis 



15 



33 



o-ooi 



o-i 







Series 3. 















10 



6 amperes 



-0005 



0-05 



Some growth, but 







84 volts 







marked inhibition 



JB. typhosus 



10 



JJ 











J3. dysenteries ... 



10 



)) 











JB. coli communis 



10 



S) 



0-0008 



0-08 







JB. pyocyaneus . . . 



10 



3 J 



-0006 



0-06 









10 













Distance of Platinum Brush above Surface of Fluid, 



5 cm. 



Series 4. 













JB. coli communis 



10 



6 amperes 







Some growth 







80 volts 









33. pyocyaneus . . . 



12 















10 



j) 













6 



33 











Series 5. 













JB. coli communis 



5 



6 amperes 







Some growth 







80 volts 







JB. pyocyaneus . . . 



5 



j» 











,j ••• 



5 



j> 









Distance of Platinum Brush above Surface of Fluid, 2 -5 cm. 



Series 6. 















10 



5 '5 amperes 







+ 







70 yolts 











10 



33 











JB. coli communis 



10 



33 











JB. pyocyaneus . . . 



10 



33 











JB. prodigiosus . . . 



7 



33 











