NATURE OF ANTIBODIES • 207 



Tiselius, A.: Biochem. J. 31: 1464, 1937. (Cited by Chase and Land- 



steiner, 1939.) 

 Weil, E.: See Eeview of Literature on Aggressins by Scott, J. P., J. Bait. 



22: 323, 1931. 

 Wells, H. G., and Osborne, T, B.: (Cited by Wells in Chemical Aspects of 



Immunity, New York, 1929, Chemical Catalogue Company, p. 68.) 

 Zinsser, H., Enders, J. F., and Fothergill, L. D.: Immunity, New York, 



1939, The Macmillan Co., p. 175. 



tiupplcmcntarii References 



Boyd, W. C: The Time Factor in Solubility of Precipitates in Excess of 



Antigen, J. Immunol. 38: 143, 1940. 

 Hooker, S. B., and Bovd, W. C: Antibodies to Strychnine, J. Immunol. 38: 



479, 1940. 

 Howe, A, E.: A Note on the Calculation of Antibody- Antigen Eatio, J. 



Immunol. 37: 77, 1939. 

 Landsteiner, K.: The Specificity of Serological Eeactious, Baltimore, 1930, 



Charles C. Thomas. 

 Libby, K. L.: A Simplified Photronreflectometric Technic for the Titration 



of the Antibody-Potency of Antipneumococcal Horse and Rabbit 



Serum, J. Immunol. 35: 289, 1938. 

 Little, P. A.: On a Rapid Method for the Standardization of Antimeningo- 



coccal Horse Serum Type I, J. Immunol. 35: 117, 1938. 



