Iowa State College Journal of Science 38.2

Corn borer control with Bacillus thuringiensis Berliner. Earle S. Raun. 141 Small mammal prey of some owls wintering in Iowa. Milton W, Weller and Leigh H. Fredrickson. 151 Review of the genus Ilnacora Reuter with descriptions of ten new species (Hempitera, Miridae). Harry H. Knight. 161 Some effects of fire on tree species in Missouri prairie. C.L. Kucera,John H. Ehrenreich and Carl Brown. 179 Development of potential ears in corn belt Zea mays. W.K. Collins. 187 Probabilities of daily maximum and minimum air temperatures for Ames, Iowa. R.H. Shaw. 201 List of Masters\u27 Theses, 1962-63. 211 List of Doctoral Dissertations, 1961-63. 224 List of ISU Staff Publications, 1962-63. 23