vi CONTENTS 



CHAPTER PAOB 



VIII. Cells, Dirt and Debris 171 



Cells. Epithelial cells. Blood cells. Estimation of cells. 

 Centrifugal methods. Direct methods. Significance. 

 Standards. Dirt and Debris. Nature of. Sedimentation 

 and centrifugal methods. Filtration methods. Significance 

 of dirt. 



IX. Miscellaneous 185 



Pasteurised and Heated Milk. Effect of heat on cream line, 

 peroxidases, reductase, albumin, and rennin coagulation. 

 B. abortus. Acid producing organisms. Aciduric bacilh. 

 Fermentation test. Collection of samples. Recording 

 results. 



Appendix 207 



Composition of special media. Useful tables. 



Name Index 217 



Subject Index 221 



