PAGE. 



Notes on the Seedless Persimmon, by Wm. L. Woodburn 99 



Testing Seed Corn by Specific Gravity, by Herbert A. Dunn 103 



Notes on the Flora of Cass County, Indiana, by Robert Hessler 107 



A New Anthracnose Attacking Certain Cereals and Grasses, by A. D. 



Selby and Thomas F. Manns Ill 



Dissemination of Disease by Means of the Seed of the Host Plant, by 



M. F. Barms 113 



The Histological Difference between Pinus taeda and P. palustris, by 



Katherine Golden Bitting 127 



Report of Work in Corn Pollination, by M. L. Fisher , 133 



The Killing of Mustard and Other Noxious Weeds in the Grain Fields 



of Dakota, by E. W. Olive 135 



The Meyer Molecular Weight Calculation, by Percy N. Evans 139 



The Relation of Fats to Moisture Content of Butter, by O. F. Hunzi- 



ker 141 



The Use of the Polariscope in Testing High Tension Insulators, by 



C. Francis Harding 147 



Some Contributions to the Chemistry of Mucoid, by C. E. May 151 



The Estimation of Lead by Titration of Lead Chromate, by W. C. 



Brooks . 157 



An Evolution Method for the Determination of Sulfur in Sulfides and 



Sulfates, by F. C. Mathers 159 



The Destruction of Platinum Crucibles through Ignition of Magnesium 



Ammonium Phosphate, by R. E. Lyons 161 



Probable Origin of the Depressions in the Mesa South of the Tijeras 



Canyon, New Mexico, by Albert B. Reagan 165 



Headwaters of the Tippecanoe River, by J. T. Scovell 167 



Caves and Cave Formations of the Mitchell Limestone, by F. C. 



Greene 175 



Life Zones of Indiana as Illustrated by the Distribution of Orthoptera 



and Coleoptera Within the State, by W. S. Blatchley 185 



Animals of the Olympic Peninsula, Washington, by Albert B. Reagan . 193 

 The Circulation of Mixed Blood in the Embryo Mammal and Bird and 



in the Adult Reptile, Amphibian and Fish, by A. G. Pohlman. . . 201 



The Indiana Academy of Science, by J. T. Scovell 209 



Index 211 



