Vol. 17 No. 1-12 (1928)
Article 1 - Epidemic Diseases of Grain Crops in Illinois, 1922-1926 The Measurement of Their Prevalence and Destructiveness and An Interpretation of Weather Relations Based on Wheat Leaf Rust Data. L. R. Tehon
Article 2 - A Manual of Woodlot Management. C. J. Telford
Article 3 - An Epidemic of Leeches on Fishes in Rock River. David H. Thompson
Article 4 - The Plankton of Lake Michigan. Samuel Eddy
Article 5 - Some Properties of Oil Emulsions Influencing Insecticidal Efficiency. L. L. English
Article 6 - Some Causes of Cat-facing in Peaches. B. A. Porter, S. C. Chandler, R. F. Sazama
Article 7 - The Biological Survey of a River System--- Its Objects, Methods and Results. Stephen A. Forbes
Article 8 - The "Knothead" Carp of the Illinois River. David H. Thompson
Article 9 - Methods and Principles for Interpreting the Phenology of Crop Pests. L. R. Tehon
Article 10 - An Account of Changes in the Earthworm Fauna of Illinois and a Description of One New Species. Frank Smith
Article 11 - The Hessian Fly and the Illinois Wheat Crop. W. P. Flint, W. H. Larrimer
Article 12 - The Bottom Fauna of the Middle Illinois River, 1913-1925 Its Distribution, Abundance, Valuation, and Index Value in the Study of Stream Pollution. R. E. Richardson