1. In memoriam Theodosius Dobzhansky

   Announcement Pages: 155 - 156

2. Temporal sequence of mutation for 6-thioguanine resistance in synchronised Chinese hamster cells

   • I. Raskó
   • K. Burg
   • L. Dallmann

   OriginalPaper Pages: 157 - 162

3. Efficiency of induced mutagenesis at early stages (gametes, zygotes, proembryos) of ontogenesis in Nigella damascena L.

   • Phan Phai

   OriginalPaper Pages: 163 - 169

4. Estimation of inbreeding by random walks in pedigrees

   • R. D. Cook
   • D. L. Hartl

   OriginalPaper Pages: 171 - 178

5. Chromosome elimination in trisomics of Coix aquatica Roxb.

   • P. N. Rao

   OriginalPaper Pages: 179 - 184

6. The inheritance of pseudo-self-compatibility (PSC) in Nemesia strumosa Benth

   • R. J. Henny
   • P. D. Ascher

   OriginalPaper Pages: 185 - 195

7. Genetic relationships among the annual species of Cicer L.

   • G. Ladizinsky
   • A. Adler

   OriginalPaper Pages: 197 - 203

8. Heterozygous microspore-derived plants in rye

   • G. Wenzel
   • F. Hoffmann
   • E. Thomas

   OriginalPaper Pages: 205 - 208