1. Chromosome mosaics in synthetic amphiploids in the Avenae

   • H. Thomas
   • W. T. H. Peregrine

   OriginalPaper Pages: 123 - 131

2. Cytological studies of pentaploid hybrids and a synthetic decaploid in Avena

   • Hugh Thomas
   • Mair Lloyd Jones

   OriginalPaper Pages: 132 - 139

3. Some theoretical aspects of selective segregation in interchange complexes

   • G. K. Rickards

   OriginalPaper Pages: 140 - 155

4. Localized chromosome breakage induced by ethyl-methane-sulfonate and hydroxylamine in Vicia faba

   • A. T. Natarajan
   • M. D. Upadhya

   OriginalPaper Pages: 156 - 169

5. Chromosome cycles of the basidiomycete Cyathus stercoreus (Schw.) De Toni

   • Benjamin C. Lu

   OriginalPaper Pages: 170 - 184

6. Über die Karyologie des Radiolars Aulacantha scolymantha und die Feinstruktur seiner Chromosomen

   • Karl G. Grell
   • August Ruthmann

   OriginalPaper Pages: 185 - 211

7. Population cytology of British grasshoppers

   • G. M. Hewitt

   OriginalPaper Pages: 212 - 230