TABLE OF CONTENTS, THIS VOLUME. 



PAGE 



Membership of the Academy 1 



Historical Sketch 6 



Constitution and By-laws 8 



Secretary's Report 11 



Minutes of Forty-third Annual Meeting 16 



President's Address, Silliman, Hare and Cook, and Their Relations to 



American Science. By F. B. Dains 22 



II.— Chemical and Physical Papers: 



Occurrence of Manganese in Water. C. C. Young 37 



On the Coloring Matter in Fruit Juices. E. H. S. Bailey and 



E. L. Tague 41 



Recent Methods in Elementary Organic Analysis. O. S. Gro- 



ner 43 



Loco Weed and Loco Poison. L. E. Sayre 49 



Analysis of Food Accessories Under the Food-and-Drugs Law. 



L. E. Sayre 53 



Maxwell's Method of Comparing Electrostatic Capacity with 



Self-inductance. J. A. G. Shirk 56 



The Circle that is Not a Circle. E. C. Warfel 60 



III.— Geological Papers: 



Is the Dakota Formation Upper or Lower Cretaceous? J. C. 



Todd 65 



The Niobrara and Laramie Cretaceous. C. H. Sternberg 70 



Description of the Changes in the Cottonwood Limestone 



South of Cottonwood Falls, Kan. J. A. Yates 75 



An Esker at Mason, Mich. L. C. Wooster 91 



An Embryonic Plesiosaurian Propodial. Roy L. Moodie 95 



IV. -Biological Papers: 



Description of a New Fly of the Family Dolichopodidce, with 



Remarks and Corrections of Preceding Papers. E. S. Tucker, 105 

 Additions to the List of Kansas Coleoptera for 1909. W. Knaus, 108 

 Distribution, Natural Enemies and Breeding Habits of the 



Kansas Pocket Gopher. T. S. Scheffer 109 



The Prairie Dog Situation in Kansas. T. S. Scheffer 115 



Investigating the Mole. T. S. Scheffer 119 



A Rare Mexican Cycad. W. B. Wilson 132 



An Unusual Walnut. I. D. Cardiff 138 



V. —Miscellaneous Papers: 



Sketches of Indian Life and Character. A. B. Reagan 141 



An Improved Water Supply for the City of Emporia. A. J. 



Smith 150 



Fifty Years of Evolution. A. H. Thompson 154 



Pollution of Underground Waters. S. J. Crumbine 169 



