New York Agricultural Experiment Station. 1 83 



The experiment was discontinued on April 11, too soon to make it 

 certain that the numbers of bacteria would not, eventually, have 

 returned to their original level. 



o 



SO 



m * o 



S 2 ° 



LO "^ KJ "-« — 



i-l 2 



The multiplication of bacteria in frozen 

 analyses made at Ithaca, was so unexpected 



soil, indicated by 

 that some question 



the 

 has 



