272 IMMUNOLOGY 



Neill, J., Fleming, W., Sugg, J., and Gaspari, E. L.: Hypersensitiveness 

 to Diphtheria Bacterial Products. Prevention of Hypersensitive 

 Eeactions by Neutralization of the Toxin Previous to Intradermal 

 Injection, J. Immunol. 18: 455, 1930. 



Nicolle, M., Cesari, E., and Debains, E.: Etudes sur la precipitation 

 mutuelle des anticorps et des antigenes, Ann. Inst. Pasteur 34: 596, 

 1920. 



Northrop, J. H.: Purification of Diphtheria Anti-toxin, Science 93: 

 92, 1941. 



Olitsky, P. K., and Kligler, I. J.: Toxins and Antitoxins of Bacillus Dys- 

 enteriae Shiga, J. Exper. Med. 31: 19, 1920. 



Olitsky, P. K., and McCartney, J. E.: Separation of the Toxins of Bacillus 

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Pappenheimer, A. M., Jr., and Eobinson, E. S. : A Quantitative Study of 

 the Ramon Diphtheria Flocculation Reaction, J. Immunol. 32: 291, 

 1937. 



Park, W. H.: 1897. Cited by Park and Williams, Pathogenic Microor- 

 ganisms, Philadelphia, 1933, Lea & Febiger, p. 406. 



Park, W. H., Zingher, A., and Serota, M. H.: 1914. Cited by Park and 

 Williams, Pathogenic Microorganisms, Philadelphia, 1933, Lea & 

 Febiger. 



Park, W. H.: See Park and Schroder, 1932. 



Park, W. H.: (1903) Cited by Park and Williams, Pathogenic Micro- 

 organisms, Philadelphia, 1933, Lea & Febiger. 



Park, W. H.: (1919) The Schick Reaction and Its Practical Application, 

 Monthly Bull. Dept. Health, New York City 9: 65, 1919. Also cited 

 by Park and Williams, Pathogenic Microorganisms, 1933, Phila- 

 delphia, Lea & Febiger. 



Park, W. H., and Schroder, M. C: Diphtheria Toxin-Antitoxin and Toxoid. 

 A Comparison, Am. J. Pub. Health 22: 7, 1932. 



Park, W. H., and Williams, A. W. : Pathogenic Microorganisms, Phila- 

 delphia and New York, 1933, Lea & Febiger, p. 403. 



Parker, J. T. : The Production of an Exotoxin by Certain Strains of 

 Staphylococcus Aureus, J. Exper. Med. 40: 761, 1924. 



Pick, E. P.: Handbuch der Technik und Methodik der Immunitats- 

 forschung, Kraus and Levaditi, Jena, 1908, Gustav Fischer, p. 331. 



Pope, C. G.: Disaggregation of Proteins by Enzymes, Brit. J. Exper. Path. 

 19: 245, 1938. 



Provitsky, O. R.r Ramon Flocculation Test for Determining Potency of 

 Antiscarlatinal Serum, Proc. Soc. Exper. Biol. & Med. 22: 426, 1925. 

 Degree of Immunization from Injection of Diphtheria Toxoid (a) of 

 a Different Strength Toxoid (b) at Varying Intervals (c) of Treated 

 Toxoids, Am. J. Pub. Health 22: 29, 1932. 



Ramon, G.: Floculation dans un melange neutre de toxine-antitoxine diph- 

 teriques, Compt. rend. Soc. de Biol., Paris 86: 661, 1922. Sur une tech- 

 nique de titrage in vitro du serum antidiphteriques. Ibid. 86: 

 711, 1922. A propos du titrage in vitro du serum antidiphterique 

 par la flocculation. Ibid. 86: 813, 1922. 



Ramon, G. : La floculation dans les melanges de toxine et de serum anti- 

 diphterique, Ann. Inst. Pasteur 37: 1001, 1923. Sur la toxine et 

 sur 1 'anatoxine diphteriques pouvoir floculant et properietes im- 

 munisantes. Ibid. 38: 1, 1924. 



Ramon, G. : Combined (Active-Passive) Prophylaxis and Treatment of Diph- 

 theria or Tetanus, J. A. M. A. 114: 2366, 1940. 



Renaux, E. : Sur le floculation de la toxine diphterique par le serum anti- 

 diphterique, Compt. rend, Soc. de Biol., Paris 90: 964, 1924. 



