4 
“The Influence of Leaf-hopper Control on Potato Yields,” by John R. 
Eyer, State College, Pa. (5 minutes.) 
A brief discussion of results obtained in commercial potato plantings. 
“Further Experiments with Empoasca mali Concerning Its Relation to 
Potato Tipburn,” by F. A. Fenton, Ames, Iowa. (10 minutes.) 
Progress report of the season’s work on the production of tipburn. 
“Chinch-bug Resistance Shown by Certain Varieties of Corn,” by 
W. P. Flint, Urbana, Ill. (10 minutes.) Lantern. 
Results of three years’ work with certain drought resistant varieties of corn to 
test their resistance to chinch-bug. 
“Life History of the Native Corn Borer (Pyrausta ainsliei Heinr.) at 
Ames, Iowa,” by I. L. Ressler, Ames, Iowa. (10 minutes.) 
Report on biology and seasonal history of this pest. 
“Some Results of Variety Tests in the European Corn Borer Investiga¬ 
tion in Central New York,” by C. F. Turner, Schenectady, 
N. Y. (10 minutes.) 
Showing the relative susceptibility of different types of corn to corn borer 
injury. 
“European Corn Borer in New York State,” by E. P. Felt, Albany, 
N. Y. (15 minutes.) 
A summary of recent investigations with special reference to control methods. 
“The Corn Leaf Aphis (Aphis maidis Fitch) in Kansas,” by James W. 
McColloch, Manhattan, Kan. (10 minutes.) Lantern. 
Importance, life history and certain control measures. 
“The Effect of Poisoned Bran Mash on Grasshoppers and the Lapse of 
Time Between Poisoning and Death,” by A. L. Ford, Brookings, 
S. D. (To be read by title.) ’ 
“Observations on the Attractiveness of Materials Used in Grasshopper 
Baits,” by A. L. Ford, Brookings, S. D., and W. H. Larrimer, 
W. Lafayette, Ind. (To be read by title.) 
“Some Factors Influencing the Efficiency of Grasshopper Baits,” by 
W. H. Larrimer, W. Lafayette, Ind., and A. L. Ford, Brookings, 
S. D. (To be read by title.) 
“Arizona Wild Cotton and Its Insect Enemies in Relation to the Cot¬ 
ton Industry of the Arid Southwest,” by A. W. Morrill, Los 
Angeles, Calif. (15 minutes.) 
A consideration of a complicated entomological problem and methods by 
which it may be handled without unnecessarily endangering cultivated 
cotton. 
