References. 227 



Organic Matter and the Number and Character of the Bacteria 

 contained in them. Supplement to the Twenty-seventh Annual 

 Report of the Local Government Board, containing the Report 

 of the Medical Officer for 1897-98, 251.- 



Houston, A. C. 1899. a. Chemical and Bacteriological Exam- 

 ination of the "Washings" of Soils, with Reference to the 

 Amount and Nature of the Organic Matter and the Number 

 and Character of the Bacteria contained in them. Supplement 

 to the Twenty-eighth Annual Report of the Local Govern- 

 ment Board containing the Report of the Medical Officer for 

 i898=-9, 439. 



Houston, A. C. 1899. h. Bacterioscopic Examination of Drink- 

 ing-water with Particidar Reference to the Relations of Strep- 

 tococci and Staphylococci with Water of this Class. "Supple- 

 ment to the Twenty-eight Annual Report of the Local Govern- 

 ment Board containing the Report of the Medical officer for 

 1898-9, 467. 



Houston, A. C. 1900. a. Chemical and Bacteriological Examina- 

 tion of the "Washings" of Soils, with Reference to the Amount 

 and Nature of the Organic Matter, and the Number and Char- 

 acter of the Bacteria contained in them. Supplement to the 

 Twenty-ninth Annual Report of the Local Government Board 

 containing the Report of the Medical Officer for 1899-1900, 

 489. 



Houston, A. C. 1900. 6. On the Value of Examination of Water 

 for Streptococd and Staphylococci with a view to detection of 

 its Recent Contamination with Animal Organic Matter. Sup- 

 plement to the Twenty-ninth Annual Report of the Local 

 Government Board containing the Report of the Medical 

 Officer for 1899-1900, 458. 



Houston, A. C. 1901. Report on the Chemical and Bacterio- 

 logical Examination of Chichester Well-water. Supplement 

 to the Thirtieth Annual Report of the Local Government Board 

 containing the Report of the Medical Officer for 1900-01, 511. 



