TABLE OF CONTENTS. 



Part I. Official: pagb 



Constitution and By-Laws 6 



Past Officers of the Academy 10 



Officers of the Academy, 1918 10 



Minutes of the Fiftieth Annual Meeting 11 



Report of the Delegate to the Illinois Academy of Science. 



E. H. S. Bailey 13 



Part II. Fiftieth Annual Meeting — Semicentennial Program: 



List of Delegates from Other Academies 16 



Greetings from Other Academies, and from Individuals 16 



President's Address: A Half Century of Bacteriology. Frank 



Ulysses Grant Agrelius 23 



Symposium: Fifty Years of Scientific Development in Kansas. 



The Academy of Science. W. A. Harshbarger 35 



Botany. Lyman C. Wooster 41 



Chemistry. E. H. S. Bailey 44 



Early History of Medicine. J. M. McWharf 46 



Early History of Pharmaceutical and Medical Chemistry. 



L. E. Sayre 49 



Lecture: The Progress of Science Since the Foundation of the 



Kansas Academy of Science. Samuel W. Williston 53 



Part III. General Program 64 



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