1. A mutant affecting the crystal cells inDrosophila melanogaster

   • T. M. Rizki
   • Rose M. Rizki
   • E. H. Grell

   OriginalPaper Pages: 91 - 99

2. The fate ofDrosophila hydei anlagen in heteroplastic transplantations

   • Ž. Srdić
   • H. Gloor

   OriginalPaper Pages: 101 - 105

3. Cytophotometric evidence for cell ‘transdifferentiation’ in planarian regeneration

   • Vittorio Gremigni
   • Cristina Miceli

   OriginalPaper Pages: 107 - 113

4. A mechanism for tooth pattern reversal in sharks: The polarity switch model

   • Wolf-Ernst Reif

   OriginalPaper Pages: 115 - 122

5. Inducing effects of the grey crescent region of early developmental stages of ambystoma mexicanum

   • Makoto Asashima

   OriginalPaper Pages: 123 - 126

6. The isolation of functional pole cells from theDrosophila melanogaster maternal effect mutantmat(3)1

   • Urs Regenass
   • Hans Peter Bernhard

   OriginalPaper Pages: 127 - 132

7. Properties of the foot inhibitor from hydra

   • Tobias Schmidt
   • H. Chica Schaller

   OriginalPaper Pages: 133 - 139

8. Size, shape and orientation of cells in budding hydra and regulation of regeneration in cell aggregates

   • Lynn Graf
   • Alfred Gierer

   OriginalPaper Pages: 141 - 151

9. Expression of the zygotic genome in blastoderm stage embryos ofDrosophila: Analysis of a specific protein

   • Herwig O. Gutzeit

   Short Communication Pages: 153 - 156

10. Compartments and distal outgrowth in theDrosophila imaginal wing disc

    • Michael Wilcox
    • R. J. Smith

    Short Communication Pages: 157 - 161

11. Announcement

    Announcement Pages: 162 - 162