234 References. 



MACCONKEY, A., and HILL, C. A. 1901. A simple Test for Faecal 

 Contamination. The Thompson- Yates Laboratories Report, 

 IV, 151. 



MAKGILL, R. H. 1901. The Neutral-red Reaction as a means of 

 detecting Bacillus coli in Water-supplies. Journal of Hygiene, 

 I, 43- 



MASCHEK, J. 1887. Bakteriologische Untersuchungen des Leit- 

 meritzer Trinkwasser. Jahresbericht der Oberrealschule zu 

 Leitmeritz. 1887. 



MASSACHUSETTS STATE BOARD OF HEALTH, 1899. Thirtieth 

 Annual Report, for 1898. 



MASSACHUSETTS STATE BOARD OF HEALTH, 1900. Thirty-first 

 Annual Report, for 1899. 



MASSACHUSETTS STATE BOARD OF HEALTH, 1901. Thirty-second 

 Annual Report, for 1900. 



MASSACHUSETTS STATE BOARD OF HEALTH, 1902. Thirty-third 

 Annual Report, for 1901. 



MATHEWS, A. P. 1893. On Wurtz's Method for the Differentia- 

 tion of Bacillus typhi abdominalis from Bacillus coli communis 

 and its Application to the Examination of Contaminated 

 Drinking-water. Technology Quarterly, VI, 241. 



MAYER, G. 1902. Untersuchungen von Wasserlaufen in China. 

 Centralblaff fiir Bakteriologie, Abth. I, Orig., XXXIII, 412. 



McGowAN, G., HOUSTON, A. C., and KERSHAW, G. B. 1904. 

 Reports on Land Treatment of Sewage. Fourth Report of the 

 Royal Commission on Sewage Disposal, Vol. IV. 



MCWEENEY, E. J. 1904. Report on the Shellfish Layings on the 

 Irish Coast as Respects their Liability to Sewage Contamina- 

 tion. British Medical Journal, 1904, II, 497. 



MIQUEL, P. 1886. De la richesse en bactdries des eaux d'essan- 

 geage. Revue d'Hygiene, VIII, 388. 



