1. Somatische Konversion (Paramutation) am sulfurea Locus von Lycopersicon esculentum Mill.

   • Rudolf Hagemann

   OriginalPaper Pages: 295 - 305

2. Rate, composition and efficiency of growth in mice selected for large and small body weight

   • B. J. Lang
   • J. E. Legates

   OriginalPaper Pages: 306 - 314

3. Desynapsis and the blockage of meiosis in Pennisetum orientale Rich.

   • Prem P. Jauhar
   • Udai Singh

   OriginalPaper Pages: 315 - 319

4. Certationsversuch zur Gonenkonkurrenz unter dem Einfluß des Locus Ga bei Oenothera

   • Cornelia Harte

   OriginalPaper Pages: 320 - 325

5. Mutant gene frequencies in cats of Southern England

   • Roy Robinson
   • Maureen Silson

   OriginalPaper Pages: 326 - 329

6. Formaldehyde-induced mutations in Drosophila melanogaster in dependence of the presence of acids

   • Bertha F. A. Stumm-Tegethoff

   OriginalPaper Pages: 330 - 334

7. Book reviews

   • L. v. Károlyi
   • Jörg Schöneich
   • P. Hanelt

   BookReview Pages: 335 - 338