NOTES ON THE SOURCES OF CONTAMINATION 269 



REFERENCES IN CHAPTER XVI 

 The Sources of Milk Contamination 



BARTON. See Hewlett and Barton. 



HEWLETT AND BARTON, ' Examination of Samples of London Milk/ Journ. 



of Hyg. 1907, vii. 22. 



HOUSTON, Report to the L.C.C. on the Bacteriological Examination of Milk, 1905. 

 RULLMANN, ' Ueber den Enzym- und Streptokokkengehalt aseptisch- 



gewonnener Milch/ Arch.f. Hyg. 1911, Ixxiii. 81. 

 SAVAGE, Milk and the Public Health, 1912. 

 SEIBOLD, ' Ueber den Keimgehalt unter aseptischen Kautelen gewonnener 



Milch, und dessen Bedeutung fur die Praxis/ Centralb. f. Bakt. Abt. I, 



1910, Iv. 301. 



