1. Cell division during the development ofArtemia salina

   • Clark S. Olson
   • James S. Clegg

   OriginalPaper Pages: 1 - 13

2. Melanin synthesis activation dependent on inductive influences

   • Olga A. Hoperskaya

   OriginalPaper Pages: 15 - 28

3. Species-specific aggregation factor in sponges

   • Werner E. G. Müller
   • Rudolf K. Zahn
   • Isabel Müller

   OriginalPaper Pages: 29 - 40

4. A study of the female germ line in mosaics ofDrosophila

   • Trudi Schüpbach
   • Eric Wieschaus
   • Rolf Nöthiger

   OriginalPaper Pages: 41 - 56

5. Etude de la migration des cellules somitiques dans le mésoderme somatopleural de l'ébauche de l'aile

   • Alain Chevallier

   OriginalPaper Pages: 57 - 73

6. fs(1)K10, a germline-dependent female sterile mutation causing abnormal chorion morphology inDrosophila melanogaster

   • Eric Wieschaus
   • J. L. Marsh
   • Walter Gehring

   OriginalPaper Pages: 75 - 82

7. Quantitative morphogenetic investigations on fine structural changes in the optic tectum of the rainbow trout (Salmo gairdneri) during ontogenesis

   • Hinrich Rahmann
   • Gunnar Jeserich

   OriginalPaper Pages: 83 - 94