1. Segmental organisation of the tail region in the embryo of Drosophila melanogaster

   • Gerd Jürgens

   OriginalPaper Pages: 141 - 157

2. Development of in vitro fertilized embryos of the polyclad flatworm, Hoploplana inquilina, following blastomere separation and deletion

   • Barbara Conta Boyer

   OriginalPaper Pages: 158 - 164

3. Inhibition of yolk formation in locust oocytes by trypan blue and suramin

   • Axel Röhrkasten
   • Hans -Jörg Ferenz

   OriginalPaper Pages: 165 - 168

4. The effects of retinoic acid on mitosis during tail and limb regeneration in the axolotl larva, Ambystoma mexicanum

   • Paul Pietsch

   OriginalPaper Pages: 169 - 175

5. Endogenous β-d-galactoside binding lectin during the expansion of the yolk sac in the developing chick embryo

   • Geraldine M. Mbamalu
   • Sara E. Zalik

   OriginalPaper Pages: 176 - 184

6. Towards the isolation of embryonal stem cell lines from the sheep

   • Alan Handyside
   • Martin Leslie Hooper
   • Ian Wilmut

   OriginalPaper Pages: 185 - 190

7. The cell biology of Drosophila wing metamorphosis in vitro

   • Martin J. Milner
   • Jonathan Muir

   OriginalPaper Pages: 191 - 201