1. Basic loci in cultivation of certain crops in the past and modern times

   • A. J. Kupzow

   OriginalPaper Pages: 209 - 215

2. Isolation and characterization of X-linked lethal mutants affecting differentiation of the imaginal discs in Drosophila melanogaster

   • I. Kiss
   • G. Bencze
   • J. Szidonya

   OriginalPaper Pages: 217 - 226

3. Die biometrische Bewertung des Univalenten-Verhaltens in konjugationsgestörten Mutanten von Pisum sativum

   • H. -D. Klein
   • H. -D. Quednau

   OriginalPaper Pages: 227 - 235

4. Polymorphism of blood serum amylase and leptospirosis of pigs of large white polish breed

   • T. Przytulski
   • D. Porzeczkowska

   OriginalPaper Pages: 237 - 242

5. Pollen protein synthesis and control of incompatibility in Brassica

   • T. E. Ferrari
   • D. H. Wallace

   OriginalPaper Pages: 243 - 249

6. Molecular heterosis at the conalbumin locus in the ring-necked pheasant (Phasianus colchicus)

   • G. Lucotte
   • M. Kaminski

   OriginalPaper Pages: 251 - 253

7. Variety x line cross — A suggested breeding procedure for maize in developing countries

   • A. Shlomi
   • Y. Efron

   OriginalPaper Pages: 255 - 260

8. Book reviews

   • R. Hagemann
   • G. Peters
   • H. Stäber

   BookReview Pages: 261 - 262