General survey 
Field selection in 11)13 
Field selection in 11*14 
Field selection in 1915 
Effect of early freezing on varieties, 1915.... 
Effect of more severe freezing, 1915 
Variation within a single ear 
Effect of first killing frost on varieties. 11)17.. 
Degree of maturity selected at different dates 
in the fall and winter of 1917 
Condition of corn in cribs on January 20, 1918 
The danger line of freezing injury 
Occurrence of autumn frosts in Nebraska 
Freezing injury inevitable in occasional years 
Selection for earliness 
Alternatives in seed selection 
Combination of methods for selecting seed 
Ascertaining viability 
Relative corn yields for the state of Nebraska in years fol- 
lowing severe seed corn injury 
Effect of time of selection and preservation of seed corn 
upon the yield 
Relative yields of different ear types 
Effect of uniform stand on yield 
Effect of imperfect hills in checked corn 
Probable distribution of plants when seed of low germina- 
tion is planted 
Distribution of sound kernels when seed tests 75 per 
cent 
Distribution of sound kernels when seed tests (55 per 
cent 
Distribution of sound kernels when seed tests 50 per 
cent 
Literature cited 
