378 HUMAN BIOLOGY 



he has been at such pains to ward off and hmit In his urban 

 hfe. 



REFERENCES 



Arnold, L. 1927. Diarrhea in infants. Arab. Pediat., 44: 71. 



Bailey, L. H. 1925. Standard Cyclopedia of Horticulture. N. Y., Macmillan. 



Chapin, C. V. 191 2. Sources and Modes of Infections. N. Y., Wiley. 



De Porte, M. V. 1928. Recorded and resident death rates from tuberculosis 



in New York State, 1926. Am. Rev. Tuberc, 17: 634-662. 

 DoANE, R. W. 1910. Insects and Disease. N. Y., Holt. 

 Dublin, L. I. 1928. Health and Wealth. N. Y., Harper. 



Gruenberg, B. C. 1926. Modern Science and People's Health. N. Y., Norton. 

 Hazen, a. 1914. Pure Water and How to Get It. N. Y., Wiley. 

 McCoLLUM, T. 1925. TIae Newer Knowledge of Nutrition. N. Y., Macmillan. 

 Newsholme, Sir A. 1923. Vital Statistics. N. Y., Appleton. 

 Phelps, E. B. 1925. Public Health Engineering. N. Y., Macmillan. 

 Weber, A. F. 1899. The Growth of Cities. N. Y., Macmillan. 

 Winslow, C. E. a. 1926. Fresh Air and Ventilation. N. Y., Dutton. 



