PROCEEDINGS 



Iowa Academy of Sciences, 



I^OI^ 18Q3. 



"volxjixih: 1, i^jPli^t i\t. 



EDITED BY THE SECRETARY, 



Herbert Osborn, Ames, Iowa. 



TRINTED BY OKDEIl OK THE GENERAL ASSEMBLY, 



DES MOINES: 



G. n RAGSDALE, STATE PRINTER. 

 1894. 



