Volume s1-31, Issue 2
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



  • 1.  The mixed bacterial flora accompanying our culture of the strain of was analyzed into its components: , and an unnamed paracolon bacillus ().
  • 2.  A series of monobacterial cultures were established by chemical treatment of cysts with 1:50,000 mercuric chloride for 90 minutes at 4°C.
  • 3.  was established separately with the following bacteria in aqueous eggyolk infusion: , and .
  • 4.  Populations of bacteria and amebas were plotted in the form of growth curves for the first six types listed above, with the relative growth response of the amebas in the same order as the above list. No correlation could be observed between the relative ranking of bacterial and amebic growth, and within rather wide limits no controlling influence of inoculum could be determined.
  • 5.  The highest growth response of the amebas was obtained with the original mixed flora.


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