Commemorating Six Decades of the Modern Era in Botanical Science. I.E. Melhus pages 221-224

Teaching General Botany. Charles E. Friley pages 225-226

The Teaching of Botany Sixty-five Years Ago. Ernst A. Bessey pages 227-234

The Evolution and Differentiation of Laboratory Teaching in the Botanical Studies. R.J. Pool pages 235-242

The Place of Botany in Liberal Education. Edmund W. Sinnott pages 243-248

The Problems in an Elementary Botany Course in a State University. George S. Bryan pages 249-252

Content of General Botany Courses. Homer C. Sampson pages 253-258

The Development of the Group Conference System of Teaching. S.M. Dietz pages 259-280

Attainments in Teaching. W.H. Lancelot pages 281-286

Changing Emphasis in General Botany. Chas. F. Hotts pages 287-290

Botany Notebooks. H.W. Rickett pages 291-298

An Applied Course in General Botany. L.W. Durrell pages 299-302

A Use of the Placement Test in the Teaching of General Botany. Wm. A. Kreutzer pages 303-324

The Parasites of Some Lepidopterous Stalk Borers in Iowa. George C. Decker pages 567-580

Eimeria beckeri n. sp.; a New Coccidium From the Ground Squirel, Citellus pygmaeus. W.L. Yakimoff and B.D. Sokoloff pages 581-586

The Mitogenetic Effect on yeast of Oligodynamic Radiation From Metals. Margaret M. MacDonald. pages 587-596

The Deflection of an Isotropic Rectangular Plate Under the Action of Continuous and Concentrated Loads When Supported at two Opposite Edges. D.L. Holl pages 597-608

The 1934 Spring Migration of Shore Birds Through Clay and Palo Alto Counties, Iowa. Logan J. Bennett pages 609-616

The 1934 Fall Migrartion of Shore Birds Through Clay and Palo Alto Counties, Iowa. Gerald B, Spawn pages 617-624

Bob-White Winter Survival on Experimentally Shot and Unshot Areas. Paul L. Errington and F.N. Hammerstrom Jr. pages 625-640

Histological Studies of the Development of the Root and Crown of Alfalfa. Austin O. Simonds pages 641-660

Algeria-A Popping Seed Used in Mexico as a Substitute for Pop Corn (Amaranthus caudatus L.var. leucospermus Th.) A.T. Erwin pages 661-666

A Preliminary Report on the Anatomical Study of an Inherited Eye Defect in the Guinea Pig. J. H. Whitlock pages 667-676

Intracellular Abnormalities Associated With Yellow Dwarf of Onions. H.D. Tate pages 667-685

The Importance of Outdoor Plant Studies. B. Shimek pages 325-328

The Effect of Plant Cover on Soil and Water Losses. R.E. Uhland pages 329-336

Certain Aspects of the Role of Vegetation in Erosion Control. W.C. Lowdermilk pages 337-346

Mosses and Soil Erosion. H.S. Conrad pages 347-352

Challenge of Erosion to Botanists. H.L. Shantz pages 353-364

Natural Revegetation on Eroded Soils in Southern Ohio. J.A. Larsen pages 365-378

The relation of the Stages of Plant Succession to Soil Erosion. J.M. Aikman pages 379-390

Effect on Species of Grasses and Legumes Sown and Treatment Upon the Population of Meadows and Pastures. F.S. Wilkins pages 391-398

Measurement of Run-off as Influenced by Plant Cover Density. A.F. Dodge pages 399-410

Applied Botanical Research on Maize. R.E. Buchanan pages 411-412

Resistance and Susceptibility of Corn Strains to Second brood Chinch Bugs. J.R. Holbert, W.P. Flint, J.H. Bigger and G.H. Dungan pages 413-426

Loss Mutations in Maize. L.J. Stadler pages 427-428

The Effect of Inbreeding and of Selection Within Inbred Lines of Maize Upon the Hybrids Made After Successive Generations of Selfing. M.T. Jenkins pages 429-450

Some New Mutants in Maize. E.W. Lindstrom pages 451-460

The Translocation of Carbohydrates in Maize. W.E. Loomis pages 509-521

Leaf Area and Growth Rate of Corn Plants. Harold F. Eisele pages 521-526

Relation of Rate of Planning to the Effect of Corn Seed Treatment. Chas, S. Reddy pages 257-238

Genetic Investigations of Bacterial Wilt Resistance in Corn as Caused by Bacterium stwertii (Smith) Migula. E.J. Wellhausen pages 539-548

Chromosome Studies in Black Mexican Inbreds and Hybrids with Dent Types of Maize. L.M. Humphrey pages 549-558

The Future of Corn Prodcution. H.D. Hughes pages 559-560

Six Decades of Corn Improvement and the Future Outlook. Henry A. Wallace pages 561-566

Physiology of Lactobacillus fructivorans sp. nov., Isolated from Spoiled Salad Dressing. D.B. Charlton, M.E. Nelson, and C.H. Werkman pages 1-12

On the Total Blood (Hemolymph) Cell Count of the Field Cricket, Gryllus assimilis pennsylvanicus Burm. Oscar T. Tauber and J, Franklin Yeager pages 13-24

Notes on the Biology and Control of Neosciaria ocellaris (Comstock) (Diptera, Sciaridae). L.O. Ellisor pages 25-36

Thermogenesis in Hay-inhabiting Fungi. J. William Harrison pages 37-60

Shortening the Rest Period of the Tubers of the Jerusalem Artichoke, Helianthus tuberosus L. E.S. Haber pages 61-72

Notes on the Biology of Oncopeltus fasciatus (Dallas). Floyd Andre pages 73-88

Vanadium Oxytrichloride as a Solvent II. F.E. Brown and F.A. Griffiths pages 89-94

The Storage Behavior of Apples as Influenced by Nitrogen Fertilization and Storage Temperature. H,H. Plagge pages 95-114

The Relation of the Size of the Infective Dose to the Number of Oocysts Eliminated, Duration of the Infection and Immunity in Eimeria miyairii Ohira Infections in the White Rat. Phoebe R. Hall pages 115-124

Organisms Producing a Potato Odor in Milk. H.C. Olson and B.W. Hammer pages 125-128

Abstracts of Doctoral Theses page 129