10 Journal of the Mitchell Society [August 



The North Carolina section of the American Chemical Society 

 meeting at the same time and place elected the following officers : 



President — J. 0. Halverson, Department of Agriculture. 



Vice-President — F. C. Vilbrandt, Department of Chemistry, Uni- 

 versity. 



Secretary-Treasurer — L. B. Rhodes, Department of Agriculture. 



The Mathematics Section elected as president, J. W. Lasley, Jr. 



The presidential address by Dr. Henderson is to appear in Science. 



Among the papers presented to the Academy the following appear 

 in full in this issue of the Journal : 

 Dedifferentiation in Hydroids and Ascidians. H. V. AVilson. 



Soil Treatments to Overcome the Injurious Effects of Toxic Materials 

 in Eastern North Carolina Swamp Land. JM. E. Sherwin. 



Contractile Vacuoles in Amoebae. ]\Iary Jane Hogue. 



Variation of Protein Content of Corn. Paper II. H. B. Arbuckle 

 and O. J. Thies, Jr. 



Density of the Cell Sap of Plants in Relation to Environmental Con- 

 ditions. C. F. Korstian. 



The Research Program of the Appalachian Forest Experim&)it Sta- 

 tion. E. H. Frothingham. 



The Breeding Habits of Limnoria at Beaufort, N. C. R. E. Coker. 



Chemical Industries in North Carolina in 1922. Frank C. Vilbrandt. 



The Common Names of Some Trees. W. W. Ashe. 



Some Points in the Bud Development of a Sitnple Ascidian, Ectein- 

 ascidia turbiuata Herdman. C. Dale Beers. 



Of other papers presented the following abstracts have been 

 received : 



The Pure Culture of Diatoms. Bert Cunningham. 



Previous reports* have been made to the Academy upon methods 



Cunningham, B. Pure Culture Method for Diatoms. This Journal 36: 123. 1921. 



