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Volume 66, Annual Issue (1959)

Front Matter

General Interest Articles

Research

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Flower Development and Gametogenesis in Oenothera laciniata Hill p. 91-97
R. L. Hulbary and A. Nagaraja Rao

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Yield Losses from Atypical Oat Blast in Central Iowa in 1957 p. 129-136
K. J. Frey and J. A. Browning

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Introduced Weedy Grasses in Iowa p. 160-162
Richard W. Pohl

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Studies of Complexes of the Transition Metals. II. Cobalt Complex with Dithioloxalate p. 189-193
Ralph E. Christoffersen and William A. Deskin

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Chemical Source of Oxygen p. 194-199
John F. O'Brien

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Dissociation of Carbon Dioxide p. 200-204
Mary Pat Dorgan

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The Separation of Salicylate Metabolites By Paper Electrophoresis p. 205-209
Janice Franz, Dorothy Schottelius, Emilio Arredondo, W. D. Paul, and J. I. Routh

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Extent of the Muscatine Series in Muscatine County, Iowa p. 257-262
Pierce Ryan, S. M. Smith, and F. F. Riecken

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Naturally Occurring Radioelements in the Ground Waters of Iowa p. 270-271
Charles N. Brown and R.L. Morris

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Large Erratics in Jasper County, Iowa p. 280-282
Sherwood D. Tuttle

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Petrography and Engineering Properties Of Kansan Till in Southern Iowa p. 283-301
A. R. Dahl, D.T. Davidson, and C. J. Roy

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The Varied Character of the Des Moines River Valley in Central Iowa p. 312-316
Gene R. DeKoster, Keith M. Hussey, and Robert D. Munson

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The Multiple-Working Hypothesis As Applied to Alaska's Oriented Lakes p. 334-349
Charles E. Carson and Keith M. Huddey

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The Mineralogy of Warsaw Formation Geodes p. 350-356
Richard B. Tripp

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An Application of Generalized Means p. 357-361
Sidney D. Nolte

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Teaching Aids in Astronomy p. 365-368
Paul B. Selz

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Who Are the Fatal Accident Drivers in Iowa? p. 395-398
C. O. Swanson and A. R. Lauer

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A Multiple Point Recorder for Small Animal Locomotor Activity p. 407-412
Harold W. Shipton, John W. Emde, and G. Edgar Folk Jr.

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Studies on the Effects of Maintenance of Hamster Adrenals in Vitro p. 413-425
Philip A. Kendall, Mona R. Miltzer, and George R. Zimmerman

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DNA, RNA, Lipid Phosphorus, and Acid Soluble Phosphorus in Normal A-Jax Mouse Livers p. 426-431
D. S. Dudley, William H. Coppock, and Leland P. Johnson

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A New Method of Marking Fresh-water Mussels for Field Study p. 455-457
Ben Thoma, George Swanson, and Virgil E. Dowell

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Notes on the Mites of an Iowa Cave p. 477-483
Michael T. Irvin

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Some Characteristics of Bacteria Isolated From Diseased Larvae of the European Corn Borer p. 504-507
Russell J. Beers, William R. Lockhart, and Earle S. Raun

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Microorganisms Found in Field Specimens Of Diseased Corn Borer Larvae p. 508-512
Earle S. Raun, William R. Lockhart, and Russell J. Beers

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Evaluation of Effectiveness of Pheasant Flushing Bars in Iowa Hayfields p. 534-552
Eugene D. Klonglan, Russel L. Robbins, and Bromfield L. Ridley

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An Interesting Cardiac Anomaly: Two Cases of Chiari's Network p. 558-563
A. R. Dzmura, S. D. Miroyiannis, and E. V. Enzmann

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Birth Weight Relations in Human Multipara p. 564-568
E. V. Enzmann and S. D. Miroyiannis

Back Matter

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Author Index p. 569-569