8 
Page. 
20. Certified Milk akd Ixfaxts’ Milk Depots (by John W. Kerr) 611 
Certified milk 613 
Copy of agreement with dairymen 615 
Organization of the medical milk commissions 620 
Functions of the commissions 621 
M orking methods and standards 621 
The standards of purity 624 
Eegulations for the production of 625 
Results accomplished 628 
Infants’ milk depots 629 
Formulge for modified milks 629 
Cities in the United States in which are located infants’ milk 
depots 631 
21. Pasteueizatiox (by Milton J, Rosenau) 637 
Introduction 639 
The extent of pasteurization 642 
Laws and regulations concerning pasteurization 643 
Changes in milk produced by heating 646 
Temperature and time of heating 648 
The bacteria and toxines concerned 651 
Infant feeding 656 
Scurvey 658 
Infant mortality 663 
Home pasteurization 665 
Commercial pasteurization 675 
Resume — Advantages and disadvantages 676 
22. The Thermal Death Points of Pathogenic Miceooeganisms in Milk 
(by M. J. Rosenau) 681 
Methods 683 
Bacillus tuberculosis 684 
Conclusions 686 
23. Infant Feeding (by Joseph W. Schereschewsky ) 687 
Part I. — Infant mortality 689 
Death rates of various cities 690 
Seasonal fiuctuations 694 
Part II. — The infants’ dietary 697 
Woman’s milk 697 
Cow’s milk 702 
Part III. — Infant feeding 706 
Nutritive requirements of infants 706 
Methods of feeding 708 
Maternal nursing 708 
Artificial feeding 715 
24. The Relative Peopoetion of Bacteeia in Top IMilk (Ceeam Payee) and 
Bottom Milk (Skim Milk), and its Beaeing on Infant Feeding (by 
John F. Anderson) 737 
25. National Inspection of Milk (by Harvey W. Wiley) 741 
26. The Municipal Regulation of the Milk Supply of the Disteict of 
Columbia (by Wm. Creighton Woodward) 745 
The development of the milk-inspection service 747 
Organization and duties of the milk-inspection service 768 
Supervision and control 771 ’ 
Inspection of dairy farms 772 
