280 



The Philippine Journal of Science 



Table V. — Showing the preserving action of pure ox bile on cholera vibrios. 



DIEUDONNfiS PLATE. 



Amount of cholera vibrios in terms 

 of loop. 



2 



1 



0.5 



0.1 



0.01 



0.005 



0.001 



0.0OO5 



0.0001 



0.00005 .... 



0.00001 



0. 000005.. _. 

 0.000001____ 

 0.0000001— 

 0.00000005.. 

 0. 00000001. _ 

 0. 000000005 

 0.000000001. 

 0. 0000000005 

 0. 0000000001 



In days. 



+ 



+ 



+ 



+ 



4- 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



In weeks. 



* Not tested after two days. 



b Not tested after three weeks. 



