MACROFORMATIONS I45 



(6) Forsyth, W. G. C. and Webley, D. M. (194K) Proc. Soc. Appl. Bact. 34. 



(7) Henrici, a. T. and Johnson, D. E. (1935)]. Bact. 30. 61. 



(8) HouwiNCK, A. L. (1949) Address to Soc. Gen. Microbiol. 



(9) Klieneberger-Nobel, E. (1947a) J. Hyg., Camb. 45. 410. 



(10) Klieneberger-Nobel, E. (1947b) J. Gen. Microbiol, i. 22. 



(11) Krzemieniewski, H. and S. (1926) Act. Soc. Bot. Pol. 4. i. 



(12) Krzemieniewski, H. and S. (192S) ibid. 5. 46. 



(13) Kvittingen, J. (1939) Act. Path. Microbiol. Scand. 26. 24. 



(14) Lev, M. (1954) Nature, Lond. 173. 501. 



(15) LoMiNSKi, I. and Lendrum, A. C. (1947) J. Path. Bact. 59. 355. 



(16) Stanier, R. Y. (1942) J. Bact. 44. 405. 



