III. 



PHYSICAL AND CHEMICAL PAPERS. 



1. "Measurement of the Internal Forces of Seeds." 



By CliARl.KS A. Sini.l.. 



2. "Heating Values of Natural Gases of the Midcontinental Field." 



P.y ?I. C. Al.MON. 



3. "Corn Oil." 



By I,. K. S.WKi;. 



4. "Municipal Illumination." 



By .1. A. (t. Shirk. 



5. "A Study of the Gelatinizing Agents, Pasty Materials and 



Thickeners Used in Food Products." 



By Leon .\. Cunijdon. 



6. "The Loss of Nitrogen and Organic Matter in Cultivated Kan- 



sas Soils." 



■ By ('. O. SWANSON. 



7. "The Determination of Sulphates in Water." 



By F. \V. BkI( K.MII.l.EK. 



8. "The Quantitative Separation f)F Quinine and Strychnine." 



By Ct. N. Watson. 



9. "The Composition and Properties of the Yucca Plant." 



By (). .\. Bkatii. 



10. "MuscALE Buttons." 



By L. E. Saykh and .\. !•;. Stkvk.nsdn. 



11. "Prunella VULGARIS." 



By L. E. Savrk. 



12. "Cultivation of Medicinal Plants in the United States." 



By L. K. Savrk, 



(63) 



