THE DECOMPOSITION OF CELLULOSE IN SOILS 481 



Acknowledgements 



The studies reported in tliis paper were submitted to the Faculty of 

 the Graduate School of the University of CaHfornia in partial fulfilment 

 of the requirements for the degree of doctor of philosophy, March, 1916. 



The writer wishes to extend his thanks to Dr. C. B. Lipman and Dr. 

 J, T. Barrett for many valuable suggestions offered from time to time, 

 and for the great interest shown. 



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