BY R. GREIG-SMITH. 



663 



bacterial flora, but with no other protozoa. Half of the suspen- 

 sion was heated at 65° ior 30 minutes. The soil had been ti'eated 

 with 10% of chloroform to destroy any native amoebae. 



i3^^ig Jl^iLT&ac 



J? Lad jlrnjGbac 



5" 7 ^5 36 doyz). 



Experiment iia. — The Addition of Amceb^e. 



