740 BIOLOGY OF PNEUMOCOCCUS 



dermal pneumococcus infection in the rabbit. J. Exper. Med., 



54(1) :41, July 1931 182 



1137. Rich, A. R. The mechanism responsible for the prevention of 

 spread of bacteria in the immune body. Bull. Johns Hopkins 

 Hosp., 52(3) :203, Mar. 1933. 



1138. Rich, A. R., and McKee, C. M. The mechanism of a hitherto 

 unexplained form of native immunity to Type III pneumococcus. 



Bull. Johns Hopkins Hosp., 59(3) : 171, Sept. 1936 210 



1139. Richardson, R. Pneumococcus types in rural districts. J. A. 

 M. A., 72(12): 863, Mar. 22, 1919. 



1140. Richardson, R. Types of pneumococcus in lobar pneumonia. 

 J. Lab. & Clin. Med., 4(8) : 484, May 1919. 



1141. Robertson, O. H., Coggeshall, L. T., and Terrell, E. E. Ex- 

 perimental pneumococcus lobar pneumonia in the dog. II. Pa- 

 thology. J. Clin. Investigation, 12(2) :433, Mar. 1933. 



1142. Robertson, O. H., Coggeshall, L. T., and Terrell, E. E. Ex- 

 perimental pneumococcus lobar pneumonia in the dog. III. Patho- 

 genesis. J. Clin. Investigation, 12(2) :467, Mar. 1933. 



1143. Robertson, O. H., and Cornwell, M. A. A study of the resist- 

 ance of normal human beings to recently isolated strains of patho- 

 genic pneumococci. J. Exper. Med., 52(2) : 267, Aug. 1930 435 



1144. Robertson, O. H., and Sia, R. H. P. A method for demonstrat- 

 ing growth-inhibitory and bactericidal action on the pneumococcus 

 of a normal serum-leucocyte mixture. Proc. Soc. Exper. Biol. & 



Med., 20(4) :223, Feb. 1923 394, 396, 429 



1145. Robertson, O. H., and Sia, R. H. P. Studies on pneumococcus 

 growth inhibition. II. A method for demonstrating the growth- 

 inhibitory and bactericidal action of normal serum-leucocyte mix- 

 tures. J. Exper. Med., 39(2) : 219, Feb. 1924 394, 429 



1146. Robertson, O. H., and Sia, R. H. P. Studies on pneumococcus 

 growth inhibition. III. The influence of specific antipneumococcus 

 serum on the growth-inhibitory and bactericidal action of normal 

 serum-leucocyte mixtures. J. Exper. Med., 40(4): 467, Oct. 1924. 429 



1147. Robertson, O. H., and Sia, R. H. P. Studies on pneumococcus 

 growth inhibition. VII. The relation of opsonins to natural resist- 

 ance against pneumococcus infection. J. Exper. Med., 46(2): 239, 



Aug. 1927 392, 429 



1148. Robertson, O. H., Sia, R. H. P., and Cornwell, M. A. The ac- 

 tivating effect of fresh normal serum on the pneumococcidal-pro- 

 moting action of antipneumococcus serum, Type I. J. Immunol., 

 19(5): 429, Nov. 1930. 



1149. Robertson, O. H., Sia, R. H. P., and Woo, S. T. Studies or 

 pneumococcus growth inhibition. I. The protective action of gela- 

 tin for pneumococci in suspension. J. Exper. Med., 39(2): 199, 



Feb. 1924 42 



1150. Robertson, O. H., Terrell, E. E., Graeser, J. B., and Cornwell, 

 M. A. The relation of natural humoral antipneumococcal im- 



