DOUBLE NUMBER 



VOL. XXXVIII SJ^IEMPm 1922 Nos. 1 & 2 



JOURNAL 



OF THE 



Elisha Mitchell Scientific Society 



CONTENTS 



1 



Proceedings op the Twenty-First Annual Meeting of the 



North Carolina Academy of Science Held at Chapel 



Hn.L, N. C, May 5 and 6, 1922 



Proceedings of the Elisha Mitchell Scientific Society, 



October 11, 1921, to June 2, 1922 ^^ 



The Search for the Ultimate Atom. J. L. Lake. 35 



Twenty Years of the North Carolina Academy of Science. 



C. 8. Brimley 



Some Phases in the Development of Chrysemys Cinerea. ^^ 



Bert Cunningham 



Reaction of Methane and Also of Acetylene Upon 



Zirconium Tetrachloride. F. P. VenaUe and B. 0. Deitz. . . (^ 

 Some Phases of Structure and Development of Garden Pea 



and White Sweet Clover Seeds as Related to Hardness. 



L. Edwin Yocum 



Variation of Protein Content of Corn. H. B. Arhuckle and 



J. Thies Jr 



Geology of the Muscle Shoals Area, Alabama. W. F. Prouty. . . 88 



Azalea in North Carolina. W. W. Ashe 90 



Notes on the Reproduction of Hydra in the Chapel Hill 



Region. H. S. Everett 



Chemistry in Its Relation to the State Water Supplies. . 



G F Catlett 



The Laccarias and Clitocybe of North Carolina. W. C. 



Coker and H. C. Beardslee 



The Fruiting Stage of the Tuckahoe, Pachyma Cocos. ^^^ 



Frederick A. Wolf 



ISSUED QUARTERLY 



CHAPEL HILL, N. C, U. S. A. 



ENTERED AT THE POSTOFFICE AS SECOND-CLASS MATTER 



