1. Transcription during early embryogenesis ofLeptinotarsa (Coleoptera)

   • Heide Schenkel
   • Wolfgang Schnetter

   OriginalPaper Pages: 179 - 188

2. Analysis of head and foot formation inHydra by means of an endogenous inhibitor

   • Stefan Berking

   OriginalPaper Pages: 189 - 210

3. Pattern stability in the insect segment

   • Katharina Nübler-Jung

   OriginalPaper Pages: 211 - 233

4. Regulation and metamorphosis of the abdominal histoblasts ofDrosophila melanogaster

   • Craig R. Roseland
   • Howard A. Schneiderman

   OriginalPaper Pages: 235 - 265

5. A clonal analysis of the relationship of duplicated bristles inDrosophila

   • F. M. A. van Breugel
   • Q. J. M. van der Aart

   Short Communication Pages: 267 - 271