1. Eine Hypothese über die funktionelle organisation der Chromosomen höherer Organismen

   • Christoph Speiser

   OriginalPaper Pages: 97 - 99

2. Crossbred response from purebred selection, an experimental check on selection theory withTribolium

   • Ronald W. McNew
   • A. E. Bell

   OriginalPaper Pages: 100 - 105

3. Combining ability studies in Pearl millet (Pennisetum typhoides (Burm.) S.& H.)

   • Faujdar Singh
   • R. K. Singh
   • V. P. Singh

   OriginalPaper Pages: 106 - 110

4. Radiation induced semi-sterility for genetic control purposes in the onion flyHylemya antiqua (Meigen)

   • K. J. A. Wijnands-Stäb
   • C. van Heemert

   OriginalPaper Pages: 111 - 119

5. Quantitative inheritance and divergence inDrosophila populations

   • Domenico L. Palenzona
   • Maria Luisa Vanelli
   • Gabriella Rocchetta

   OriginalPaper Pages: 120 - 123

6. Amino acid comparisons in male sterile wheat derived fromTriticum timopheevi zhuk. cytoplasm and its fertile counterpart

   • R. K. Rai
   • N. C. Stoskopf

   OriginalPaper Pages: 124 - 127

7. The effect of inbreeding on male mating ability inDrosophila melanogaster

   • W. W. Pendlebury
   • J. F. Kidwell

   OriginalPaper Pages: 128 - 132

8. Pollen-wall proteins: Exine-held fractions associated with the incompatibility response in cruciferae

   • J. Heslop-Harrison
   • R. B. Knox
   • Y. Heslop-Harrison

   OriginalPaper Pages: 133 - 137

9. Experimental androgenesisin vitro inNicotiana clevelandii gray andN. sanderae hort.

   • B. Vyskot
   • F. J. Novák

   Brief Notice Pages: 138 - 140

10. Book Reviews

    • F. H. Herrmann
    • W. Witte
    • Martina Meyer

    BookReview Pages: 141 - 144