1. Nucleic acid synthesis in preimplantation mouse embryos

   • H. Alexandre

   OriginalPaper Pages: 193 - 202

2. Regulation of interstitial cell differentiation inHydra attenuata

   • Hans R. Bode
   • G. Scott Smith

   OriginalPaper Pages: 203 - 213

3. Bud formation inHydra: Inhibition by an endogenous morphogen

   • Stefan Berking

   OriginalPaper Pages: 215 - 225

4. Cell clones and pattern formation: On the lineage of photoreceptor cells in the compound eye ofDrosophila

   • J. A. Campos-Ortega
   • A. Hofbauer

   OriginalPaper Pages: 227 - 245

5. Functional aspects of 5-hydroxytryptamine in early embryogenesis of the sea urchinParacentrotus lividus

   • Mark Toneby

   OriginalPaper Pages: 247 - 259

6. Influence of cyclic nucleotides on amphibian ectoderm

   • Horst Grunz
   • Hildegard Tiedemann

   OriginalPaper Pages: 261 - 265

7. Differentiation of the four animal and the four vegetal blastomeres of the eight-cell-stage ofTriturus alpestris

   • Horst Grunz

   OriginalPaper Pages: 267 - 277

8. Daughters from daughterless mothers — Rescuing a female-lethal maternal effect by cytoplasmic transplantation inDrosophila embryos

   • M. Bownes
   • Thomas W. Cline
   • Howard A. Schneiderman

   OriginalPaper Pages: 279 - 284