1. Types of visible variations induced by X-rays inDrosophila

   • H. J. Muller

   OriginalPaper Pages: 299 - 334

2. Oenothera-like linkage of chromosomes inDrosophila

   • H. J. Muller

   OriginalPaper Pages: 335 - 357

3. Theoretical genetics of autopolyploids

   • J. B. S. Haldane

   OriginalPaper Pages: 359 - 372

4. Experiments on the genetics of wild populations

   • J. W. Gregor
   • F. W. Sansome

   OriginalPaper Pages: 373 - 387

5. Inheritance inLolium perenne L.

   • T. J. Jenkin

   OriginalPaper Pages: 389 - 394

6. Genetic studies in poultry

   • R. C. Punnett
   • M. S. Pease

   OriginalPaper Pages: 395 - 397

7. Chromosomal aberrants and gene mutations inNicotiana obtained by grafting

   • Dontcho Kostoff

   OriginalPaper Pages: 399 - 418

8. The mode of origin and chromosome behaviour in pollen mother cells of a tetraploid seedling tomato

   • Margaret M. Lesley
   • J. W. Lesley

   OriginalPaper Pages: 419 - 424