APPENDIX 177 



PENFOLD, W. J. (a) "Variability in the Gas-forming power of Intestinal 

 Bacteria." Proc. of Royal Soc. of Medicine, Feb. 1911. 



(>) "Studies in Bacterial Variation." Journal of Hygiene, April 8th, 



1911, vol. xi, No. 1, p. 30. 



(c] "Bacterial Variation." Reports to Science Committee Brit. Med. 



Association. Brit. Med. Journ. supplement, vol. u, 1911, p. 363. 



"Discussion on Variability among Bacteria and its bearing on Diag- 

 nosis." Brit. Med. Journ., 1914, vol. n, p. 710. 



PETRIE, G. F. Quoted Arkwright, 1909. Journal of Hygiene, 1905, vol. v, 

 p. 134. 



PETRUSCHKY. Quoted by J. Lorrain Smith, Clifford Allbutt and Rolleston's 

 Syst. of Medicine, vol. I, p. 1091. (Article "Enteric Fever.") 



PREBLE. "Pneumococcic and Meningococcic Infections." Trans. ofAssoc. of 

 American Physicians, vol. xxiv, p. 203. 



PRESCOTT, S. C. and BAKER, S. K. " On some Cultural Relations and Antago- 

 nisms of Bacillus coli and Houston's Sewage Streptococci." Journal of 

 Infectious Diseases, 1904, p. 193. 



RETTGER, L. F. and SHERRICK, J. L. "Studies in Bacterial Variation." 

 Journal of Medical Research, Boston, vol. xxiv(N.S. xix), 1911, p. 265. 



REVIS, Cecil. "Milk and the Physiological Properties of Coliform Organisms." 

 Journal of Pathology and Bacteriology, 1908, vol. xn, p. 228. 



RITCHIE, J. "On Meningitis associated with an Influenza-like Bacillus." 

 Journal of Pathology and Bacteriology, 1910, vol. xxiv, p. 615. 



ROBERTS, E. H. and FORD, A. P. "A Case of Cerebro-spinal Fever simulat- 

 ing Acute Nephritis with Uraemic Convulsions." Brit. Med. Journ., 

 1915, vol. i, p. 998. 



ROSENOW, E. C. "On the Nature of the Toxic Substance from Pneumococci." 

 Journal of Infectious Diseases, 1912-13, vol. xi-xn, p. 235. 



"A Study of Streptococci from milk and from epidemic sore throat and 



the Effect of Milk on Streptococci." Journal of Infectious Diseases, 

 1912-13, vol. xi-xn, p. 338. 



"Transmutation within the Streptococcus-Pneumococcus group." 



Journal of Infectious Diseases, 1914, vol. xiv, p. 1. 



Roux, E. "Bacteridie Charbonneuse Asporog&ne." Annales de Vlnstitut 



Pasteur, 1890, iv, p. 25. 

 Roux and YERSIN. "Mutation of Diphtheria and Hofmann's bacillus." 



Annales de I'Institut Pasteur, 1890, iv, p. 385. 

 Russ, C. "Changes Produced in Coli bacilli after Electrolysis." Proc. ofJRoy. 



Soc. of Medicine, 1914, vol. vm, p. 54. 

 SALTER. Quoted by Clark, 1910. Transactions ofJenner Inst., 2nd series, 



1899, p. 113. 

 SANARELLI. "Etudes sur la fievre typhoide experimentale." Annales de 



Ulnstitut Pasteur, 1894, vin, p. 193. 

 SAVAGE, W. G. " Report on the Differentiation of the Streptococci by the 



Goat test." Reports to Local Gov. Board, 1908-9, vol. xxxvui, p. 295. 



