104 Journal or the Mitchell Society. [Nov. 



157th Meeting, January 10, 1905. 



Professor William Cain, President, in the chair. 

 The following papers were presented: 



The Theory of Metal or Re-enforced Concrete Domes — 

 William Cain. 

 Steel Hardening Metals—/. H. Pratt. 



A. S. Wheeler, 

 Recording Secretary. 



158th Meeting, February 14, 1905. 



Professor William Cain, President, in the chair. 

 The following- papers were presented: 



Mode of Inspection of the Hookworm Disease — R. H. 

 Whitehead. 

 The Mystic Hexagram — Archibald Henderson. 

 Statistics of Cotton Manufacturing in the South — C. L. 

 Raper. 



A. S. Wheeler, 

 Recording Secretary. 



159th Meeting, March 14, 1905. 



Professor William Cain, president, in the chair. 

 The following papers were presented: 

 Normal Paper — A. S. Wheeler. 

 The Mutation Theory— W. C. Coker. 



Chemical Affinity: A Method for Distinguishing Chemical 

 Energy from Simultaneous Physical Energy Changes—/. E. 

 Mills. 



A. S. Wheeler, 

 Recording Secretary. 



160th Meeting, April 11, 1905. 



Professor William Cain, president, in the chair. 



A motion was made and carried that the old arrangement 



