II. 



CHEMICAL AND PHYSICAL PAPERS. 



"Food Preservatives — How Far are they Injurious to Health?" 

 By L. E. Sayre, University of Kansas, Lawrence. 



"Kansas Petroleum." 



By Edward Bartow and Elmee V. McColldm, University of Kansas, Law- 

 rence. 



"Composition of Gas from a Wbll at Dexter, Kan," 

 By D. F. McFarland, University of Kansas, Lawrence. 



"Native Zinc." 



By J, T. Willaed, Kansas State Agricultural College, Manhattan. 



"Progress in the Production of High-protein Corn." 



By J. T. Willard and R. H. Shaw, Kansas State Agricultural College, Man- 

 hattan. 



"The Quality of Commercial Cream of Tartar." 



By L. D. Havenhill, Uaiversity of Kansas, Lawrence. 



"A New Derivative of Diazo-amido benzene." 



By Edwaed Baetow and H. C. Allen, University of Kansas, Lawrence. 



"The Action of Ethyl Chlorsulfonate upon Aniline." 



By F. W. Bdshong, Kansas City University, Kansas City, Kan. 



" Eeactions in Liquid Ammonia." 



By Edwaed Ccetis Feanklin, Leland Stanford Jr. University, California. 



"Properties and Composition of Some Typical Flours." 



By W. E. Matthewson, Kansas State Agricultural College, Manhattan. 



"An Autographic Recording Instrument for Tension Tests." 

 By Geo. J. Hood, University of Kansas, Lawrence. 



"The Effect of Clay and Loam on the Strengh of Portland Cement 

 Mortar." 



By W. C. Hoad, University of Kansas, Lawrence. 



"Notes on Som^e Kansas Paving Brick." 



By F. O. Maevin, University of Kansas, Lawrence." 



—4 



