106 



Kmisas Academy of Science. 



From this we conclude that for some reason this organism 

 is not likely to persist long in ordinary water unless more 

 organic material is added to furnish it with food. Perhaps 

 this would not keep it alive either. We have not had time to 

 determine whether it could be again it^olated and restored to 

 its former power. We hope to continue the experiment longer. 



WATER TESTS, KANSAS STATE NORMAL; EMPORIA, 1915. 



We have charted (Figs. 2, 3) the results of the regular 

 water tests made by us during the year 1915. These include 

 11 tests of well water, 35 of cisterns, and 117 of the city 

 water; 163 in all. The chart does not give a very accurate 



FliMiiK 2. — I-;iiiporhi city water. Monthly averages 

 of fermeiitaticiii — tube tests, 1915. 



FlGTRK 8. — Water tests, Kansas State Normal. 

 Emporia, 1915. 



