1923] Proceedings of the Academy of Science 21 



The following papers were presented but for various reasons ab- 

 stracts have not been furnished : 



The Importance of Calcium in Relation to Rickets. J. 0. Halverson. 

 (By title.) 



Fossil Remains of an Ancient Mammal in East Central Texas. E. 0. 

 Randolph. (By title.) 



The Present Condition as to Ether Theories. A. H. Patterson. (By 

 title.) * 



Some Methods in Anatomical Technic. W. C. George. (By title.) 



Strawberry Leaf Scorch. F. A. Wolf. 



Hydrogen-ion Concentration in Certain Trout and Sunfish ^yaters of 

 Western North Carolina. R. E, Coker. (By title.) 



Technique of the Mimeograph-mimeo-scope Method of Puhlishing 

 Temporary Illustrated Science Text-hooks and Laboratory Guides 

 for Schools and Colleges. J. P. Givler. 



The Generic Significance of the Genitalia of Insects. Z. P. Metcalf. 

 (By title.) 



Some Observations on the Righting Reaction in Starfish. B. Notes. 



Effect of Fertilizers on Germination and Seedling Growth of Corn 

 ayid Cotton. M. E. Sherwin. (By title.) 



A Discussion of the Loss of Mass in the Formation of Helium from 

 Hydrogen. J. B. Derieux. 



Tests of Results in Physics Teaching. C. W. Edwards. 



Drop of Potential in Transformer Oil. N. B. Foster. 



What Happens at Absolute Zero? A. H. Patterson. 



An Electrolytic Interrupter. A. A. Dixon. 



A Standard for the Solution of Problems. J. B. Derieux. 



A Revieiv of the Work on Isotopes. A. A. Dixon. 



The Formation of Layers in Inorganic Solutions. F. W. Cooke. 



