From the Editors. 123

Isely, D. Iowa State Journal of Research (1926-1988). 127

Barnum, S.R. and S.M. Gendel. Heterotrophic growth of nine strains of filamentous cyanobacteria. 147

Beran, J.A. Daughters of the Middle Border, Iowa women in sport and physical activity 1850-1910. 161

Dekker, J., R. Burnmester, K.C. Chi, and L. Jensen. Mutant weeds of Iowa: S-triazine-resistant plastids in Kochia scoparia. 183

Flosi, J.W. and E.R. Hart. Endocuticular growth rings as an indicator of age structure in Belostoma flumineum Say (Hemiptera: Belsotomatidae). 189

Hinz, P.N. Nearest-neighbor analysis in practice. 199

Hira, T.K. and M.J. Mueller. The application of a managerial system to money management practices. 219

Jungst, S.E. and K.-S. Lee. A ground cover inventory on land-capability classes V-VIII. 235

Lin, S.-C. J. and W.D. Wolanksy. Factors influencing attrition from teacher education programs. 247

Mbata, K.H., E.R. Hart, and R.E. Lewis. Reproductive behavior in Zelus renardii Kolenati 1957 (Hemiptera: Reduviidae). 261

Mize, C.W. and J.B. Paulissen. Yield equations and empirical yield tables for the oak-hickory type in Iowa. 267

Mulder, P.G. and W.B. Showers. Corn growth response to larval armyworm (Lepidoptera: Noctuidae) defoliation. 279

Owen, W.J. Initial analysis of a valid food animal disease database for Iowa. 293

Takeda, K, K.J. Frey, and T.B. Bailey. Relationships among traits in F₉-derived lines of oats.

Zeff, E.E. Women in the Iowa legislature: A 1986 update. 329

Ziehl, M.A. and W.F. Hollander. Dun, a new plumage-color mutant at the I-locus in the fowl (Gallus gallus). 337