1. Editorial

   • H. F. Linskens

   EditorialNotes 13 June 2016 Pages: 1 - 1

2. A method for estimating the number of blastoderm cells which give rise to Drosophila imaginal discs

   • Moti Nissani
   • Carla Lipow

   OriginalPaper 13 June 2016 Pages: 3 - 8

3. Genetic variation in irradiated and control populations of Cnemidophorus tigris (sauria, teiidae) from Mercury, Nevada with a discussion of genetic variability in lizards

   • G. C. Gorman
   • Y. J. Kim
   • Ch. E. Taylor

   OriginalPaper 13 June 2016 Pages: 9 - 14

4. Sporophytic recognition of pollen S alleles in the gametophytic self-incompatibility system of Nemesia strumosa benth

   • R. J. Henny
   • P. D. Ascher

   OriginalPaper 13 June 2016 Pages: 15 - 19

5. Body composition and energetic efficiency in two lines of mice selected for rapid growth rate and their F₁ crosses

   • E. J. Eisen
   • H. Bakker
   • J. Nagai

   OriginalPaper 13 June 2016 Pages: 21 - 34

6. Biometrical analyses of some economically important characters in Antirrhinum majus

   • H. D. Rabinowitch
   • A. E. Arthur
   • C. L. Hedley

   OriginalPaper 13 June 2016 Pages: 35 - 42

7. Die Simulation quantitativer Merkmale durch Gene mit biochemisch definierbarer Wirkung

   • G. Forkmann

   OriginalPaper 13 June 2016 Pages: 43 - 48

8. Book reviews

   • H. -A. Freye
   • Erna Weber
   • F. Becker

   BookReview 13 June 2016 Pages: 49 - 52

9. Announcements

   Announcement 13 June 2016 Pages: 52 - 52