1. The effect of selection on the standardized variance of gene frequency

   • F. W. Nicholas
   • A. Robertson

   OriginalPaper Pages: 263 - 268

2. Germinal derivatives of the En controlling-element system in maize: Characterization of colored, pale and colorless derivatives a2-m

   • A. R. Reddy
   • P. A. Peterson

   OriginalPaper Pages: 269 - 278

3. The phylogenesis of protein α-amylase inhibitors from wheat seed and the speciation of polyploid wheats

   • L. Vittozzi
   • V. Silano

   OriginalPaper Pages: 279 - 284

4. Oxygen affinity of red cells hemolysates of different hen breeds

   • R. Gondko
   • A. Kołątaj
   • B. Rózga

   OriginalPaper Pages: 285 - 287

5. Frequency — dependent advantage in wheat

   • T. K. Phung
   • A. J. Rathjen

   OriginalPaper Pages: 289 - 297

6. Male gametophyte in maize: Influences of the gametophytic genotype

   • Claire M. Johnson
   • D. L. Mulcahy
   • W. C. Galinat

   OriginalPaper Pages: 299 - 303

7. Book reviews

   • R. Hagemann
   • W. Laux
   • W. Dedek

   OriginalPaper Pages: 305 - 308