NATURAL AND ACQUIRED IMMUNITY 125 



Picado, C. : Proprietes antigeniques diflferentes des serums d 'Aniniaux jeunes 



et des serums d 'Animaux ages, Compt. rend. Soc. de biol. 102: (531, 



1929. 

 Pritchett, I. W.: Microbic Virulence and Host Susceptibility in Paratyphoid- 



Enteritidis Infection of White Mice. VI. The Relative Susceptibility 



of Different Strains of Mice to Per Os Infection With the Type II 



Bacillus of Mouse Typhoid (Bacillus pestis caviae), J. Exper. Med. 41: 



195, 1925. Further studies, Ibid. 43: 161, 1926. 

 Raistrick, H., and Topley, W. W. C. : Immunizing Fractions Isolated From 



Bact. Aertrycke, Brit. J. Exper. Path. 15: 113, 1934. 

 Rivers, T. M.r Filterable Viruses, Newer Knowledge of Bacteriology and 



Immunology, Jordan and Falk, Chicago, 1928, Univ. of Chicago 



Press, p. 517. 

 Rivers, T. M.: The Nature of Viruses, Physiol. Rev. 12: 423, 1932. 

 Rivers, T. M., and Ward, S. M. : Further Observations on the Cultivation of 



Vaccine Virus in Lifeless Media, J. Exper. Med. 57: 741, 1933. 

 Rivers, T. M., and Schwentker, F. F. : Louping 111 in Man, J. Exper. Med. 59: 



669, 1934. 

 Rivers, T. M., Ward, S. M., and Baird, R. D. : Amount and Duration of 



Immunity Induced by Intradermal Inoculation of Cultured Vaccine 



Virus, J* Exper. Med.' 69: 857, 1939. 

 Robertson, E. C. : The Vitamins and Resistance to Infection, Medicine 13: 



123, 1934. 

 Robinson, E. S. : Methods of Preparation and Use of Smallpox Vaccine 



Viru.s. Virus and Rickettsial Diseases, Harvard Univ. Press, 1940, 



p. 201. 

 Rogoff, J. M., and DeNecker, J.: The Influence of the Adrenals on the 



Toxicity of Morphine, J. Pharmacol. & Exper. Therap. 26: 243, 1926. 

 Rogofl', J. M., and Ecker, E. E.: Suprarenalectomy and Susceptibility to 



Tetanus Toxin, Tr. Arch. Path. Lab. Med. Soc. 1: 309, 1926. 

 Rosling, E.: Zur Kritic der Hirszfeldschen Hypothese iiber den genctischen 



Zusammenhang zwischen Blutgruppe und Schickschcr Reaktion, Ztschr. 



f. Immunitatsforsch. u. exper. Therap. 59: 521, 1928. 

 Sauer, L. W. : Immunization With Bacillus Pertussis Vaccine, J. A, M. A. 



101: 1449. 1933. 

 Sauer, L. W.: Whooping Cough, Ibid. 100: 239, 1933. 

 Sauer, L. W. : Preparation of Bacillus Pertussis Vaccine for Immunization, 



Ibid. 102: 1471, 1934. 

 Sauer, L. W.: Whooping Cough, Ibid. 112: 305, 1939. 

 Scammon, R. E.: New Phases of Work on Immunization and Prophylaxis, 



Morris' Human Anatomy, Philadelphia, 1925, The Blakiston Co., p. 30. 

 Schott, R. G.: The Inheritance of Resistance to Salmonella Aertrycke in 



Various Strains of Mice, Genetics 17: 203, 1932. 

 Scott, \V. .1. M. : The Influence of the Adrenal Glands on Resistance. II. 



The Toxic Efl'ect of Killed Bacteria on Adrenalectomized Rats, J. 



Exper. Med. 39: 457, 1924. 

 Sherwood, N. P., Nigg, C, and Baumgartuer, L.: Studies on the Dick Test 



and Natural Immunity to Scarlet Fever Among the American 



Indians, J. Immunol. 11: 343, 1926. 

 Simmons, J. S. : Immunization Against Infectious Disease in the United 



States Army, South. M. J. 34: 62, 1941. 

 Smitli, W., Andrews, C. H., and Stuart-Harris: Great Britain Medical Re- 

 search Council Special Report Series 228, 1938. 

 Smith, Theobald : The Degree and Duration of Passive Immunity to 



Diphtheria Toxin Transmitted by Immunized Female Guinea Pigs to 

 Tiicir Immediate Oif spring, J. M'. Research 16: 359, 1907. 



