INDEX. 



471 



Water, quantitative bacterial 

 analysis of, dilution of 

 sample in, 431 

 obtaining sample for, 



428-430 

 preliminary tests, 430 

 selection of culture me- 

 dium, 431, 432 

 source of error, 436 

 relation to epidemics, 418, 



419 

 typhoid bacilU in, 420-422 



Water, value of bacteriological 

 examinations of, 421, 

 422 

 of chemical examina- 

 tions of, 422, 423 

 Welch, 231, 240, 243 

 Wound infection, studies upon, 

 21-26 



rOOGLGEA, 40 



