PRECIPITINS 239 



Francis, T., Jr.: The Identity of the Mechanism of Type-Specific Ag- 

 glutinin and Precipitin Eeactions with Pnenmococcus, J. Exper. 

 Med. 55: 55, 1932. 



Green, R. G., and Halvorson, H. O.: Surface Energj- as the Controlling 

 Factor in Agglutination and Dispersion, J. Infect. Dis. 35: 5, 1924. 



Gordon, M. H.: Flocculation Test for Smallpox, Brit. Med. Res. Council 

 Spec. Rept. Series 98 (1928). 



Hazen, E. L.: The Relation of the Bacterial Precipitin Reaction to the 

 Ramon Flocculation Phenomenon, J. Immunol. 19: 393, 1930. 



Hektoen, L.: The Specific Precipitin Reaction of the Normal and Calarac- 

 tous Lens, J. Infect. Dis. 31: 72, 1922. 



Hektoen, L.: The Precipitin Reactions of Extracts of Various Animal 

 Parasites, J. Infect. Dis. 39: 342, 1926. 



Hektoen, L., Fox, H., and Schulhof, K.: Specificness of the Precipitation 

 Reaction of Thyroglobulin, J. Infect. Dis. 40: 641, 1924. 



Hektoen, L., and Cole, A.: The Preparation and Precipitin Reactions of 

 Egg Albumen and Blood Proteins of the Domestic Fowl, J. Infect. 

 Dis. 40: 647, 1927. 



Hektoen, L., and Schulhof, K.: On Specific Erythroprecipitins (Hemo- 

 globin Precipitins), J. Infect. Dis. 31: 32, 1922. 



Hektoen, L., and Schulhof, K.: Further Observations on Lens Precipitins; 

 Antigenic Properties of Alpha and Beta Crystallins, J. Infect. Dis. 

 34: 433, 1924. 



Hektoen, L., and Welker, W. H.: The Precipitation Reaction of Fibrinogen, 

 J. Infect. Dis. 40: 706, 1927. 



Hektoen, L., and Welker, W. H.: Precipitin Reactions of Serum Proteins, 

 J. Infect. Dis. 35: 295, 1924. 



Hektoen, L., and Manly, L. S.: Specific Precipitin Reactions, J. Infect. Dis. 

 32: 167, 1923. 



Hirsch, E. F.: Hydrogen Ion Studies. VI. Hydrogen Ion Changes on 

 Precipitation of Human Serum by Immune Serum, J. Infect. Dis. 30: 

 666, 1922. 



Hitchcock, C. H.: Classification of the Hemolytic Streptococci by the 

 Precipitin Reaction, J. Exper. Med. 40: 445, 1924. 



Hitchcock, C. H.: Precipitation and Complement Fixation Reaction with 

 Residue Antigens in the Nonhemolytic Streptococcus Group, J. 

 Exper. Med. 40: 575, 1924. 



Hooker, S. B., and Boyd, W. C: A Quantitative Aspect of the Hypothetical 

 Incorporation of Injected Antigen in Resulting Antibody, J. Im- 

 munol. 21: 113, 193L 



Jacobs, J.: Serological Studies on lodizated Sera. Precipitins and Precip- 

 itinogens, J. Immunol. 23: 361, 1932. 



Jacobs, J.: Serological Reactions of Azoproteins Derived From Aromatic 

 Hydrocarbons and Diaryl Compounds, J. Exper. Med. 20: 353, 1937. 



Jones, L., and Fleisher, M. S.r Serum Sickness in Rabbits. II. Precipitino- 

 gen Precipitins in Relation to Appearance of the Reaction, J. Exper. 

 Med. 55: 79, 1932. 



Jones, L.: The Reaction of Cow's Milk to Blood Serum Precipitin, J. 

 Exper. Med. 43: 451, 1926. 



Jungeblut, C. W.: A Specific Flocculation Reaction Occurring Between 

 Alcoholic Extracts of Pneumococci and Antipneumococcus Sera, 

 J. Exper. Med. 45: 227, 1927. 



Kiyotsuna, Sasaki: Precipitation Test for the Sexes of Fowl Blood Serum, 

 with Special Reference to Egg Laj-ing, J. Immunol. 23: 1, 1932. 



Landsteiner, K., and Van der Scheer, J.: On the Influence of Acid Groups 

 on the Serological Specificitv of Azoproteins, J. Exper. Med. 45: 

 1045, 1927. 



