CONTENTS. 



PAGE 



Introduction o 



CHAPTER I. Milk and Milking 7 



II. The Origin of Bacteria in Milk . 25 



III. Decomposition of Milk 33 



IV. Preserving Milk by Chemicals. . 37 



V. Preservation by Cooling .... 44 



VI. Preservation by Heating .... 48 



VII. Pasteurization 52 



u VIII. Sterilizing 03 



IX. The Mortality of Infants .... 78 



X. Artificial Mother's Milk; Normal 



Infants' Milk 99 



XI. The Normal Dairy 130 



" XII. Conclusion . 154 



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