328 NOTES AND AUTHORITIES 



The following works have also been frequently 

 consulted with great advantage: Food and 

 Principles of Dietetics, by R. Hutchinson, 

 1903; Bibliographia Lactaria, by Dr. H. de 

 Rothschild (contains over eight thousand 

 titles) ; Milk and Its Products, by H. H. Wing, 

 1897; Milk: Its Nature and Composition, by 

 C. M. Aikman, 1899; The Problem of the 

 Milk Supply, by F. Lawson Dodd ; Bacteriology 

 of Milk, by Swithinbank and Newman, 1903; 

 many of the publications of the United States 

 Department of Agriculture, and of the agricul- 

 tural experiment stations in New York, Wis- 

 consin, Illinois, Maine, California, etc. 



Also the following journals : Hoard's Dairyman; 

 The American Farmer; British Medical Jour- 

 nal; Journal of Hygiene; Public Health. 



IV. Filth as Infants' Food 



1. Pearson, op. cit., p. 10. 



The Problem of the Milk Supply, by F. Lawson 

 Dodd, p. 13. 



2. Information received in a personal letter from 



Dr. Park. 



3. See Archives of Pediatrics, December, 1906, p. 943. 



4. See the descriptive scores of exhibits at the 



National Dairy Show, 1906, published in Bul- 

 letin 87 of the Bureau of Animal Industry. 



