4 Procffdiiif/s of Indiana Acadrtny of Scioice. 



Page 



The Uredinales of Indiana, III — H. S. Jackson 165 



A Convenient Laboratory Plant Press — H. S. Jackson 183 



Indiana Plant Diseases, 1920 — Max. W. Gardner 187 



Indiana Fungi, V — J. M. Van Hook 209 



The Pycnidium of Cicinnobohis — J. M. Van Hook 215 



A Tricotyledonous Bean — J. M. Van Hook 217 



Native Plants of White County, III— Louis F. Heimlich 219 



Plants New to Indiana — Chas. C. Deam 225 



A Species of Cuscuta not hitherto reported from Indiana — T. CJ. Yuneker 229 



A List of Indiana Mosses — T. G. Yuneker 231 



A Curious Variation in the Common Milkweed, Asclepias syriaea L. — 



C. A. Ludwig 243 



Some Evidence Indicating the Importance of Frost Action in Widening 



Valleys — Glenn Culbertson 247 



Planation Stream Piracy — Clyde A. Malott 249 



What Puts "Pop" in Pop Corn?— R. H. Carr and E. F. Ripley 261 



Recent Progress in the Use of Ozone in VentUation — F. O. Anderegg. . 271 



Training Research Chemists in Indiana — E. G. Mahin 275 



Slow Recovery and Permanent Set in Copper, Aluminium, and Lead — 



Albert E.'Woodruff 281 



A Resistance Radio Telephone — R. R. Ramsey 287 



Note on Antennae Resistance — R. R. Ramsey 289 



A Long Wave Receiver — R. R. Ramsey 289 



Segregation and Recombination of the Genes for Tinged, Blood, Buff, 



Coral in Drosophila Melanogaster — Roscoe R. Hyde 291 



Behavior of the Gene for the Mutant Curved of Drosophila Melanogaster 



in Crosses Involving Genes in the Same and Other Chromosomes — 



Roscoe R. Hyde 301 



Notes on the Birds of Carroll, Monroe, and Vigo Counties, Indiana. — 



Barton W. Evermann 315 



