LETTER OF TRANSMITTAL. 
Des Moines, Iowa, July 1, 1910. 
To His Excellency, Beryl F. Carroll, Governor of Iowa: 
In accordance with the provisions of title 2, chapter 5, section 136, 
code, 1897, I have the honor to transmit herewith the proceedings of the 
twenty-fourth annual session of the Iowa Academy of Science and re- 
quest that you order the same to be printed. 
\ 
Respectfully submitted, 
' • L. S. Ross, 
Secretary loiva Academy of Science. 
