Volume 78, Number 1-2 (1971)
Issue cover date: October 1971
General Interest Article
New Flexible Crinoids from The Upper Devonian of North Central Iowa
Harrell L. Strimple and C. O. Levorson
Chronology of Reproduction of the Fox Squirrel in Iowa
Richard J. McCloskey and Paul A. Vohs Jr.
Comparison of Forward, Backward, and Conventional Training in the Learning of a List of CVC Trigrams
Robert A. Embree, Murray Senn, and Glenna Doering
Effect of Salicylic Acid on the Early Development of the Chick Limb-Bud
Suleiman A. Suleiman and John R. Baker
Notes on Fleshy Fungi in Iowa. VI.
Kenneth C. Miller, Michael D. Woodward, Lois H. Tiffany, and Harold S. McNabb Jr.
Overlapping of Ranges of Eastern and Western Hognose Snakes in Southeastern Iowa
J. J. Berberich, C. H. Dodge, and G. E. Folk Jr.
Growth and Reproduction of Yearling Tilapia Aurea in Iowa Ponds
Douglas W. Pelren and Kenneth D. Carlander
Notes on the Behavior of Red Foxes in a Large Enclosure
Robert L. Phillips