xxviii Trans. Acad. Sci. of St. Louis. 



RECORD. 



Feom January 1 to December 31, 1913. 



The following list of papers were presented at the 

 meetings during this period: 



January 15, 1913: 



S. Bent Russell. — Demonstration and Design of 

 Apparatus to Simulate the Working of Nerv- 

 ous Discharges. 



(Published in Journal of Animal Behavior, Vol. 3, 

 No. 1, 1913.) 



J. L. Van Ornum. — Experiments on the Pointing 

 of Pressure Tubes, to Eliminate Velocity Ef- 

 fects, in Water Pipes. 



F. E. Nipher.— The Strength of a Steel Magnet 

 Dependent upon its Electric Potential. 



February 3, 1913 : 



Moses Craig. — Plant Improvement by Selection. 

 C. H. Turner. — An Apparent Reversal of the Light 



Responses of the Common Roach. 

 F. E. Nipher. — The Strength of a Steel Magnet 



Dependent upon its Electric Potential. 



February 17, 1913 : 



F. E. Nipher. — Effect of Electrification of Air on 

 its Magnetic Permeability. 



LeRoy McMaster. — The Preparation and Proper- 

 ties of Some Ammonium Salts of Organic 

 Acids. « 



(Published in American Chemical Journal, Vol. XLIX, 

 No. 4, 1913.) 



Leo Loeb. — Some Biological Aspects of Tumor In- 

 vestigation. 



March 3, 1913 : 



F. E. Nipher. — The Behavior of the Magnetic 

 Needle on Windy and Calm Days. 



(Published in Transactions, Academy of Science of 

 St. Louis, Vol. XXII, No. 2, 1913.) 



