98 TRANSACTIONS OF THE 
5.588 milligrams of nitrogen were fixed in twenty days 
by type No. 3. 
These three organisms which appeared rather con- 
stantly in the Utah soil examined are thus shown to be pow- 
erful fixers of atmospheric nitrogen. Investigations are 
proposed to determine the effect upon these and other germs 
of various cultural methods of various seasons and climatic 
conditions in Utah. 
