CONTENTS OF VOLUME XIX. 



PAGE 



Present and Past Officers of the Aoaf^emy 2 



Membership of the Academy January 10, 1905 6 



Historical Sketch of the Academy , 10 



Constitution of the Academy 11 



By-laws of the Academy 12 



Minutes of the Thirty- sixth Annual Meeting, at Manhattan, 1903 13 



Minutes of the Thirty-seventh Annual Meeting, at Topeka, 1904 20 



ADDRESSES DELIVERED AND PAPERS READ AT THE MANHATTAN AND TOPEKA 



MEETINGS. 



I. — Presidential, Addresses: 



Oxygen in its Relation to Geology. J. C. Cooper SS- 



Water-supplies of Southeastern Kansas. Edward Bartow 39 



II. — Chemical and Physical Papers: 



Food Preservatives — How Far are they Injurious to Health ? L. E. 



Sayre 51 



Kansas Petroleum. Edward Bartow and Elmer V. McCoIlum 56 



Composition of Gas from a Well at Dexter, Kan. D. F. McFarland, 60 



Native Zinc. J. T. Willard 63 



Progress in the Production of High-protein Corn. J. T. Willard ... 64 



The Quality of Commercial Cream of Tartar. L. D. Havenhill 66 



A New Derivative of Diazo amido-benzene. Edward Bartow and 



H. C. Allen 69^ 



The Action of Ethyl Chlorsulfonate upon Aniline. F. W. Bushong, 71 



Reactions in Liquid Ammonia. Edward Curtis Franklin 74 



Properties and Composition of Some Typical Flours. W. E. 



Matthewson 78' 



The Effect of Clay and Loam on the Strength of Portland Cement 



Mortar. W. C. Hoad 81i 



An Autographic Recording Instrument for Tension Tests. Geo. J. 



. Hood 87 



Notes on Some Kansas Paving Brick. F. O. Marvin 90 



III. — Geological Papers: 



A Collecting Trip to Patagonia, South America, H. T. Martin 101 



Coal-mining in Atchison County. E. B. Knerr 105 



A Fossil Forest in Jackson County. C. H. Shattuck 107 



Origin of Gypsum, with Special Reference to the Origin of the 



Michigan Deposits. G. P. Grimsley HO 



Some Notes on Kansas Geology. L. C. Wooster 118 



The Fauna of the Mentor. Alfred W. Jones 122 



Protostega gigas and other Cretaceous Reptiles and Fishes from 



the Kansas Chalk. Chas. H. Sternberg 123 



(3) 



