24 Proceedings of Indiana Academy of Science 



*Plant Relations in Brazos County, Texas 



Elmer Grant Campbell 



*The Trees of Vanderburgh County A. J. Bigney 



Some Soil and Water Reactions in the Dunes 



Region of Porter County M. W. Lyon, Jr. 



Notes on Grasses Paul Weatherwax 



Indiana Plant Diseases, 1923 Max W. Gardner 



Nitrate Studies on Purdue Rotation Field No. 6 



I. L. Baldwin, W. J. Nichter, R. O. Lindsey 



Notes on Greenhouse Culture Methods Used in 



Rust Investigations E. B. Mains 



Plants of White County — VI Louis F. Heimlich 



*Notes on the Life History of the Snapdragon Rust, 



Puccinia antirrhini E. B. Mains 



*An Ecological View of Wet Waste Land 



Blanche McAvoy 



*Preliminary Notes on Comparative Growth in 

 Grazed and Ungrazed Woodlots at Purdue 



Burr N. Prentice 



*A New Station for Tipuhirid discolor (Pursh) 



Nutt Ray C. Friesner 



''The Relations of Vegetation to Bird Life in Texas 



Harry C. Oberholser 



Notes on the Functions of the Forceps of Earwigs 



W. P. Morgan 



*A Seven Somite Human Embryo F. Payne 



A Study of the Productivity and Breeding Habits 

 of the Bluegill, Lepomis jxdlidns Mitchill 



Lowell Thelwell Coggeshall 



The Relation of Size to Age in Some Common 



Freshwater Fishes Home R. Bolen 



The Diurnal Oxygen Pulse in Eagle (Winona) 



Lake Will Scott 



*An Analysis of the Contribution of Hyalella to 



the Economy of a Lake Will Scott 



*The Morphometry of Eagle (Winona) Lake. Will Scott 

 New Records of Indiana Mammals. . . .M. W. Lyon, Jr. 

 *What is the Indiana State Normal School Doing to 



Promote Public Health? R. A. Gantz 



Reclamation of Soil by Vegetation F. M. Andrews 



Midsummer Growth F. M. Andrews 



Studies on Pollen — IV F. M. Andrews 



Protoplasmic Streaming F. M. Andrews 



CHEMISTRY— PHYSICS— MATHEMATICS. 



*A Rayleigh Di.sk of New Design and Increased 



Pitch Range Arthur L. Foley 



*A Proposed Phonometer Based on a New Prin- 

 ciple Arthur L. Foley 



♦ Papers starred not published in this Proceedings. 



