Iowa State College Journal of Science 29.1

Abstract

<p>The development of Eimeria brunetti Levine in the digestive tract of chickens. Janet I. Boles and Elery R. Becker 1</p> <p>Physiology of Endoconidiophora fagacearum Bretz. I. Factors influencing growth and toxin production. P.F. Hoffman 27</p> <p>The winter-spring movements of the ring-necked pheasant in northern Iowa. Henry G. Weston Jr. 39</p> <p>The fall population European corn borer survey. T.A. Bancroft, T.A. Brindley, R. Bowles, and P.C. Tang 61</p> <p>A search for resistance to the injury caused by species o Diabrotica in the corns of Guatemala. Irving E. Melhus, Reginald H. Painter, and Frank O. Smith 75</p> <p>Relative toxicity of legume seed protectants to two species of Rhizobium. G.W. Peterson and W.F. Buchholtz 95</p> <p>Cytohistological responses of plant meristems to maleic hydrazide. John B. Carlson 105</p> <p>Isolation of cellulose-digesting microorganisms of the rumen, Warren D. Kitts, P.H. Carr, and L.A. Underkofler 129</p> <p>The development of the embryo of Zea in relation to position on the ear. Max E. Bell 133</p> <p>The rate of ammonia production in the acid hydrolysis of vitamin B₁₂. John M. Brierly, Robert R. Sealock, and Harvey Diehl 141</p> <p>Effects of heating vitamin B₁₂in a stream of dry nitrogen at various temperatures. Richard A. Murie and Harvey Diehl 143</p> <p>Effects of natural selection in segregating generations up bulk population of barley. L.H. Taylor and R.E. Atkins 147</p>