Histological Development of "Accessory Blade" and Associated Abnormalities in Maize. John E. Sass and G.F. Sprague pages 301-310

Life History of The White Bass in Storm Lake, Iowa. William F. Sigler pages 311-316

The Warmouth, Chaenobryttus coronarius (Bartram), in Red Haw Hill Reservoir, Iowa. William M. Lewis and Thomas S. English pages 317-322

Influence of Normal and Immune Duck Plasmas on Chick Infections of Plasmodium lophurae Induced With Parasites in Duck Erythrocytes. Elery R. Becker, Charles E. Brodine, Alice A. Marousek, and Dorwin A. Byrd pages 323-342

Growth and Food Habit Studies of Smallmouth Black Bass In Some Iowa Streams. William Harold Tate pages 343-354

Fisheries Investigations on Two Artificial Lakes in Southern Iowa. I. Limnology and Vegetation. William M. Lewis pages 355-362

The Bionomics of Dermestes maculatus Deg.: I. Oviposition, Longevity, Period of Incubation. John K. Scoggin and Oscar E. Tauber pages 363-374

Center of Flexure of Beans of Triangular Section. R.N. Gross pages 375-380

Torsion of Composite Sections. L.E. Payne pages 381-396

Stress Distribution Due to Hydrostatic Pressure On A Parabolic Boundry. Karl Leroy Conrad pages 397-404