CONTENTS 



Exercises Page 



LVII. Detennining the efficiency of disinfectants . . 1 1 1 



LVIII. Testing disinfectants (continued) . . . -113 



LIX. Pasteurizing and sterilizing milk . , . . .114 



LX. The quantitative bacteriologic examination of water . 116 



LXI. The quantitative examination of water (continued) . u8 



LXII. The qualitative examination of water ... 119 



LXIII. The qualitative examination of water (continued) 120 



LXIV. Examination of certain bacteria not studied in the 



laboratory 121 



APPENDIX 



I. Reaction of culture media .... 



II. The ocular micrometer and micrometry 



III. Animal inoculation for purposes of diagnosis 



IV. Cultivation of Bacterium. {^Bacillus) tuberculosis 

 V. Jeffer's plate and metric system . 



123 

 128 

 132 

 137 

 139 



