412 Qn the Variability of Streptococci. 



EEFEEENCES. 



1. Gordon. " Report on some Characters by which various Streptococci and Staphylo- 



cocci may be Differentiated and Identified," 1 Reports Med. Officer Local Gov. 

 Board/ 1905, p. 388. 



2. Ainley "Walker. "On the Value of 'Sugar' Tests for Streptococci," 'Journal of 



Pathology and Bacteriology, 3 1910, vol. 15, p. 124 ; ' Proceedings of the Patho- 

 logical Society of Great Britain and Ireland.' 



3. Ainley Walker. " On Variation and Adaptation in Bacteria, Illustrated by Observa- 



tions upon Streptococci, with special Reference to the Value of Fermentation Tests 

 as Applied to these Organisms," 'Roy. Soc. Proc.,' 1911, B, vol. 83, p. 541. 



4. Gordon. " The Differentiation of Streptococci," ' Journal of Pathology and 



Bacteriology,' 1911, vol. 15, p. 323. 



5. Beattie and Yates. " Sugar Tests and Pathogenicity in the Differentiation of 



Streptococci," 'Journal of Pathology and Bacteriology,' 1911, vol. 15, p. 247. 



6. Gordon. " A Ready Method of Differentiating Streptococci, and some Results 



already Obtained by its Application," ' Lancet,' 1905. vol. 2, p. 1400. 



7. Andrewes and Horder. " A Study of the Streptococci Pathogenic for Man," ' Lancet,' 



1906, vol. 2, pp. 708, 775, 852. 



8. Cumpston. " The Relative Frequency of Various Types of Streptococci in Scarlatina,'' 



' Journal of Hygiene,' 1907, vol. 7, p. 599. 



9. Houston. "Report on the Bacteriological Examination of (1) The Normal Stools of 



Healthy Persons ; (2) The Intestinal Contents of Sea-fowl and Fish ; and 

 (3) Certain of our Public Water Supplies," ' Reports Med. Officer Local Gov. 

 Board,' 1905, p. 472. 



