BT T, HARVEY JOHNSTON, M.A,, D.SC. 91 



1912 Plimmer—J. R. Micr. Soc, Lond., 1912, p. 133-150. 



1904 Ransom— Bull 60, B.A. Ind., Dept. Agr., U.S.A., 

 p. 7-54. 



1911 Ransom— Science, 34, Nov. 1911, p. 690-2. 



1910 Sweet, Gilruth & Dodd, see Gilruth, Sweet & Dodd. 



1910 Sweet— P.KS., Vict., 23, 1910, p. 242-256. 



