DOUBLE NUMBER 



VOL. XXXV JUNE, 1920 Nos. 3 & 4 



JOURNAL 



OF THE 



Elisha Mitchell Scientific Society 



CONTENTS 



Chlorination by Mixed Carbon Monoxide and Chlorine. 



Fraricis P. Vendble and D. H. Jackson 87 



A Rapid Volumetric Method for the Determination of 



Arsenic in Arsenates. James M. Bell 90 



The Land of Ferns. John K. Small 92 



The Regional Geograi^hy of South Carolina Illustrated by 



Census Statistics. Roland M. Harper 105 



Notes on the Lower Basidiomycetes of North 



Carolina. W. C. Coker 113 



ISSUED QUARTERLY 



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

 'entered at the postoffice as second-class matter 



