SELECTED BIBLIOGRAPHY.
* Papers giving extensive bibliographies.
[1] Cunningham, A., Journ. Agric. Sci., 1915, vol. xvii., p. 49.
[2] Cunningham, A., and Löhnis, F., Centrlb. f. Bakt. Abt. II., 1914, vol. xxxix., p. 596.
[3] Cutler, D. W., Journ. Agric. Sci., 1919, vol. ix., p. 430.
[4] Cutler, D. W., Journ. Agric. Sci., 1920, vol. x., p. 136.
[5] Cutler, D. W., Ann. App. Biol., 1923, vol. x., p. 137.
[6] Cutler, D. W., and Crump, Ann. App. Biol., 1920, vol. vii., p. 11.
[7] * Cutler, D. W., Crump and Sandon, Phil. Trans. Roy. Soc. B., 1922, vol. ccxi., p. 317.
[8] Delf, E. M., New Phytologist, 1915, vol. xiv., p. 63.
[9] Dobell, C. C., Arch. f. Protisenk., 1911, vol. xxiii., p. 269.
[10] * Goodey, T., Roy. Soc. Proc. B., 1916, vol. lxxxix., p. 279.
[11] Goodey, T., Roy. Soc. Proc. B., 1913, vol. lxxxvi, p. 427.
[12] Hartmann, M., and Nägler, K., Sitz-Ber. Gesellsch. Naturf. Freunde, 1908, Berlin, No. 4.
[13] Koch, G. P., Journ. Agric. Res., 1916, vol. li., p. 477.
[14] Kofoid, C. A., Bull. Illinois State Lab. Nat. Hist., 1903 and 1908.
[15] * Kopeloff, N., Lint, H. C., and Coleman, D. A., Centrlb. f. Bakt. Abt. II., 1916, vol. xlvi., p. 28.
[16] Kopeloff, N., Lint, H. C., and Coleman, D. A., Centrlb. f. Bakt. Abt. II., 1916, vol. xlv., p. 230.
[17] Lipman, J. G., Blair, A. W., Owen, L. L., and McLean, H. C., N.J. Agric. Exp. Sta. 1912, Bull., No. 248.
[18] Martin, C. H. and Lewin, K. R., Journ. Agric. Soc., 1915, vol. vii., p. 106.
[19] Martin, C. H., Roy. Soc. Proc. B., 1912, vol. lxxxv., p. 393.
[20] * Nasir, S. M., Ann. App. Biol., 1923, vol. x., p. 122.
[21] Russell, E. J., Roy. Soc. Proc. B., 1915, vol. lxxxix., p. 76.
[22] * Russell, E. J., “Soil Conditions and Plant Growth,” 1921, 4th ed.
[23] * Sherman, J. M., Journ. Bact., 1916, vol. i., p. 35, and vol. ii., p. 165.
[24] Truffaut, G., and Bezssonoff, H., Compt. Rend. Acad. Sci., 1920, vol. clxx., p. 1278.
[25] West, W., and West, G. S., Journ. Linn. Soc. Bot., 1912, vol. xl., p. 395.