1. Distribution and localization of induced breaks on the chromosomes of Bellevalia romana

   • E. Gläss
   • H. Marquardt

   OriginalPaper Pages: 307 - 316

2. Transmission and phenotypic effect of a duplicate chromosome segment in maize

   • A. Ghidoni

   OriginalPaper Pages: 317 - 332

3. Studies on the morphopoiesis of the head of phage T-even

   • U. K. Laemmli
   • F. A. Eiserling

   OriginalPaper Pages: 333 - 345

4. Characteristics of tobacco rattle virus

   • H. L. Sänger

   OriginalPaper Pages: 346 - 367

5. Stimulation of the differential rate of β-galactosidase synthesis in E. coli by trimethoprim

   • F. Lacroute
   • G.S. Stent

   OriginalPaper Pages: 368 - 375