PROCEEDINGS OF THE THIRTY-SECOND 

 ANNUAL SESSION 



Held in Ames, April 26 and 27, 1918 



The Iowa Academy of Science held its thirty-second annual 

 session at the Iowa State College at Ames, beginning at 1:30 

 P. M. on Friday, April 26. After the general program in the 

 Assembl}' Room of Agricultural Hall sectional meetings were 

 held for the reading of papers of special interest and these were 

 resumed on Saturday morning. The general business meeting 

 was held on Saturday morning at 11 o'clock. Dean E. A. Birge, 

 of the University of AVisconsin, gave the annual address at 8 

 P. M. Friday, on "The Warming of an Inland Lake." The 

 Iowa Section of the Mathematical Association of America and 

 the Ames and Iowa Sections of the American Chemical Society 

 held their meetings in connection with the sessions of the 

 Academy. President Ross delivered his presidential address: 

 "Does the History of Science have a place in the College Cur- 

 riculum?" at the general meeting on Friday afternoon. 



REPORT OF THE SECRETARY. 



Members of the Iowa Academy of Science: 



The Academy is to be congratulated that ^t this time, when 

 so much stress and anxiety is weighing on all hearts and minds, 

 so great interest is manifested in the progress and advancement 

 of scientific achievement. Our program is a little shorter this 

 year than last, it is true, but this is of itself a matter for felicita- 

 tion and pride, for it indicates how many of our members are 

 occupied with the public good in the widest fields and how much 

 of our energy is being devoted toward making the world "a 

 decent place to live in." We are proud of the work which our 

 fellow members are doing in their service for their country and 

 ours and we rejoice that their scientific attainments and training 

 are of such value in a time of so great need. The scientific 



