Welch, M.B. Woman in the home. 303

Butrica, A.J. The influence of Neoplatonist thought on William Harvey, 311

Hollander, W.F. and W.J. Miller. Hereditary variants of behavior in the pigeon. 323

Compton. C.W. Female and male entrepreneurs: A comparison of their businesses and background characteristics. 333

Bueno, A. and R.E. Atkins. Estimation of individual leaf areas in grain sorghum. 341

Hsu, S. and P.A. Peterson. Relative stage duration of microsporogenesis in maize. 351

Chu, C. and W.A. Brindley. Effects of diflubenzuron on alfalfa weevil larvae and upon toxicity of methidathion and carbofuran. 387

Hammond, E.G. and R.J. Smith. Survey of some molecularly dispersed odorous constituents in swine-house air. 393

Contents, Iowa State Journal of Research, Vol. 5 (August 1980-May, 1981). 401