II- 



CHEMICAL AND PHYSICAL PAPERS. 



"Coffee and Estimation of its Value." 



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



•'The Relation of the New Food and Drug Law to the Official 

 Preparations." 



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



"Drug Standards with Reference to the Pure Food and Drug 

 Law." 



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



"A Most Wonderful Tool." 



By John H. Klopfer, Topeka. 



"The Modulus of Lunar Influence — not in a Lifting, but in a 

 Falling Movement." 



By John J. Jewett, Sawtelle, CaL 



"The Spectrum and Spectrum Scales." 



By J. T. LOVEWELL, Topeka, 



"The Quantitative Estimation of Iron and Cobalt by the Rotat- 

 ing Cathode." 



By R. W. Curtis and S. A. McReynolds. 



"Notes on Kansas Road Metal." 



By F. O. Marvin, University of Kansas. 



"The Development of Forest Belts in the Northwestern Part of 

 Clay County, Kansas." 



By John H. Schaffner. Columbus, Ohio. 



"Helium in Natural Gas." 



By H. p. Cady and D. F. McFarland, Lawrence. 



"A Note on the Detection of Cyanides." 



By H. P. Cady, University of Kansas. 



"Note on Mercurous Sulfate for Standard Cells." 



By H. P. Cady, University of Kansas, Lawrence. 



"A Proposed Test for Bleached Flour." 



By J. T. WiLLARD, Agricultural College, Manhattan. 



"On Some Ferrocyanides of Calcium, Barium, and Magnesium." 



By F. B. Dains, Topeka. 



"Determination and Comparison of Sound Intensities." 



By Bruce V. Hill, Lawrence, 



(35) 



