Literature. 



All the names of the persons mentioned in the text will 

 be found in the index of literature with only a few exceptions 

 where it will be clear that no literary reference can be ex- 

 pected. 



The following abbreviations are used: 



B. kl. W. = Berliner klinische Wochenschrift. 



B. M. J. = British Medical Journal. 



C. f. B. = Centralblatt fur Bakteriologie, I. Abt., from vol. 31: Originale. 



C. f. B. Ref. = Centralblatt fur Bakteriologie, I. Abt., Referate. 

 C.f.B.II.= „ „ „ , II. Abt. 



D. m. W. = Deutsche medizinische Wochenschrift. 



./. A. M. A. = Journal of the American Medical Association. 



J. E. M. = Journal of Experimental Medicine. 



J. I. D. = Journal of Infectious Diseases. 



./. P. B. = Journal of Pathology & Bacteriology. 



M. m. W. = Miinchener medizinische Wochenschrift. 



W. m. W. = Wiener medizinische Wochenschrift. 



W. kl. W. = Wiener klinische Wochenschrift. 



Z. f. H. = Zeitschrift fur Hygiene. 



Abrahams, Hallows, Eyre, &. French, Lancet 1917, II, 377. 



Agulhon & Legroux, Comptes rendus de l'Acad6mie des Sciences, 167, 597 

 (1918). 



Albrecht & Ghon, Zeitschrift fur Heilkunde, 22 (1901). 



Almquisl, Ernst, (1) C. f. B. 45, 491 (1909). 

 (2) „ 48, 175 (1909). 



Anderson, Ruth & Oscar Schultz, J. E. M. 33, 653 (1921). 



Andrewes, Frederick W., Report of the pandemic of influenza (1918-19) (Mi- 

 nistry of health, London 1920), p. 115. 



Arnelh, D. m. W. 1916, 628. 



Auerbach, Max, Z. f. H. 47, 259 (1904). 



Avery, O. T., J. A. M. A. 72, 2050 (1918). 



Axenfeld, Theodor, C. f. B. 21, 1 (1897). 



Baumler, Ch , M. m. W. 1894, 161. 



Beall, J. A. M. A, 46, I, 1442 (1906). 



Beck, M., Z. f. H. 16, 363 (1893). 



Belfanti, S., Atti della riunione per lo studio dell'influenza (Milano 1919), p. 73. 



