1 



UNIVERSITY OF CALIFORNIA PUBLICATIONS 



IN 



AGRICULTURAL SCIENCES 



Vol. 1, No. 1, pp. 1-20 October 15, 1912 



THE DISTRIBUTION AND ACTIVITIES 



OF BACTERIA IN SOILS OF 



THE ARID REGION 



BV 



CHARLES B. LIPMAN 



UNIVERSITY OF CALIFORNIA PRESS 

 BERKELEY 



