CONTENTS xix 



B. How to Examine a Sample of Unsound Meat . . 122 



C. Trichina spiralis . 123 



D. Cysticercus 123 



E. Psorosperms ......... 124 



EXAMINATION OF ICE CREAMS 



(a) Quantitative Examination 124, 125 



(b) Qualitative Examination 



Bacillus of Enteric Fever 125 



Bacterium coli commune 125 



LESSON X 



EXAMINATION OF ANTISEPTICS AND DISINFECTANTS 



A. Method of Testing Antiseptics 126 



B. Methods of Testing Disinfectants 



(1) Koch's Method 



(a) Carbolic Acid 128 



(b) Mercuric Chloride 128 



(2) Sternberg's Method 129 



C. Disinfectant Action of Gases 



(a) Sulphur Dioxide 129, 130 



(b) Chlorine 131 



(c) Ammonia 131 



LESSON XI 



EXAMINATION OF AN ANIMAL DEAD OF A BACTERIAL DISEASE 



(a) Anthrax ......... 132 



(b) Pyocyaneus septicaemia ...... 132 



(c) Cholera Asiatica 132 



METHODS OF HARDENING AND EMBEDDING 



(a) Quick Method 133, 134 



(b) Slow Method 134, 135 



