20 Kansas Academy of Science. 



fiftieth anniversary of the Kansas Academy of Science. I am very 

 sorry to say that I cannot be there in person, largely owing to the illness 

 of my mother, but, on tfehalf of the Indiana Academy of Science, I ex- 

 tend greetings to the Kansas Academy of Science, expressing the hope 

 that it -wiW continue to fill the place in the scientific w^orld which it has 

 done previously. Very sincerely yours, Mary T. Harman, 



OHIO ACADEMY OF SCIENCES. 



Delaware, Ohio, March 13, 1918. 

 Secretary, Katisas Academy of Science, Lawrence, Ka,n.: 



Hearty congratulations from Ohio Academy to the Kansas Academy 

 on the completion of your half century of service. We are asking Pro- 

 fessor Coghill of your university and formerly one of our members to 

 represent us. Edward L. Rice, Secretary. 



Prof. George E. Coghill, Ph. D., M. D., University of Kansas, Law- 

 rence, as delegate of the Ohio Academy of Sciences gave their greetings. 



MICHIGAN ACADEMY OF SCIENCE. 



Kalamazoo, Mich., March 12, 1918. 

 Secretary Kansas Academy of Science, Lawrence, Kan.: 



Dear Sir — Replying to your kind invitation of February 5, which 

 has just come to hand, I am sorry to state that it Avill not be possible for 

 us to send a delegate to your semicentennial anniversary, though we 

 should be only too happy to join you in your celebration were it possible. 



May I take this opportunity to extend to the Kansas Academy greet- 

 ings and best wishes from the Michigan Academy of Science and to wish 

 you another half century of as equally valuable scientific work as 

 stands to your credit for past labors. Kansas has given many splendid 

 men to the field of science and I am sure that the Academy has been no 

 small factor in this output. 



Very cordially yours, LeRoy H. Harvey, President. 



NORTH CAROLINA ACADEMY OF SCIENCE. 



Greensboro, N. C, February 27, 1918. 

 The North Carolina Academy of Science offers hearty congratulations 

 to the Kansas Academy on its semicentennial anniversary and sends best 

 wishes for another fifty years of scientific endeavor and progress. The 

 North Carolina Academy returns thanks for the invitation to attend 

 this anniversary and regrets that distance makes it impossible for it 

 to send a delegate. For the Academy, E. W. Gudger, Secretary. 



THE SOUTH DAKOTA ACADEMY OF SCIENCE. 



Represented by Prof. T. E. McKinney, Ph. D., University of South Dakota, 

 Vermilion, S. D. 



Mr President — Cooperation and organization are necessary to the 

 rapid advancement of science. This truth finds expression in the exist- 

 ence of the scientific societies of the world; in none more certainly than 

 in the state academies of science. Here are grouped the scientific workers 

 of the state to contribute each according to his ability to the increase of 



