150 Journal of the Mitchell Society [February 



185th Meeting— November 9, 1909. 



H. V. Wilson. The Structure and Regeneration of the Skin 

 in Sponges. 



A. S. Wheeler. A K'ew Study of Oceanic Salts. 



A. H. Patterson. The Personal Equation in Judgment of 

 Length, Mass and Time. 



186th Meeting— December 14, 1909. 



J. E. Latta. l^otes on the Static Transformer. 

 W. B. MacN'ider. The Part Played by the Kidney Cells in 

 Determining the Quantity of Urine. 



187th Meeting— February 8, 1910. 



Wm. Cain. The Pressure of Coal in Bins (by title). 

 A. H. Patterson. The Comets of 1910. Illustrated. 



188th Meeting— March 8, 1910. 



Wm. Cain. The Influence of Cohesion in the Pressure of 

 Earth against Walls. 



J. H. Pratt. The Conservation and Utilization of our Nat- 

 ural Resources. 



189th Meeting— April 12, 1910. 



Archibald Henderson. Some Configurations on the Cubic 

 Surface. 



J. S. Holmes. A Sketch of the Forestry Work of the Several 

 Geological Surveys of N^orth Carolina. 



Business Meeting — October 17, 1910 



Election of Officers: 



President— Prof. M. H. Stacy. 

 Vice-President — Prof. P. H. Daggett. 

 Corresponding Secretary — Dr. F. P. Venable. 

 Recording Secretary — Dr. R. A. Hall. 

 Editorial Committee — Dr. W. C. Coker, Chairman, Dr. J. 

 M. Bell, Prof. A. H. Patterson. 



