142 REFERENCES. 



Sewage Streptococci of Houston in Polluted and Unpolluted 

 Waters. Journal of Medical Research, VIII, 502. 



WINSLOW, C.-E. A., and NIBECKER, C. P. 1903. The Significance 

 of Bacteriological Methods in Sanitary Water Analysis. Tech- 

 nology Quarterly, XVI, 227. 



WINSLOW, C.-E. A. See SEDWICK, W. T. 



WINSLOW, C.-E. A. See WOODMAN, A. G. 



WOLFFHUGEL, G. 1886. Erfahrungen iiber den Keimgehult 

 brauchbarer Trink- und Nutzwasser. Arbeiten aus dem 

 Kaiserlichen Gesundheitsamte, I, 546. 



WOLFFHUGEL, G., and RIEDEL, O. 1886. Die Vermehrung der 

 Bakterien im Wasser. Arbeiten aus dem Kaiserlichen Gesund- 

 heitsamte, I, 455. 



WOODMAN, A. G., WINSLOW, C.-E. A., and HANSEN, P. 1902. A 

 Study of Self-purification in the Sudbury River. Technology 

 Quarterly, XV, 105. 



WRIGHT, F. R. See MOORE, V. A. 



WURTZ, R. 1892. Note sur deux caracteres differentiels entre le 

 bacille d'Ebcrth et le B. coli commune. Archives de Medecine 

 Experimental, IV, 85. 



ZAGARI, G. 1887. Esperienze sulla concorrenza vitale dei microor- 

 ganism! e sopra un nuovo mezzo di profilassi carbonchiosa. 

 Giornale internazionale della Scienze Mediche, IX, 617. 



