1. Gap junction formation between normal and reaggregated endoderm cells ofXenopus laevis neurulae

   • K. Sugimoto
   • W. J. Hage
   • J. G. Bluemink

   OriginalPaper Pages: 143 - 148

2. Forelimb regeneration in thyroidectomized adult newts following organ culture and autografting of the thyroid glands

   • Richard A. Liversage
   • Pauline J. Brandes

   OriginalPaper Pages: 149 - 158

3. Sugar binding properties of the vitellogenic proteins in the Colorado beetle, demonstrated by hemagglutination and precipitation experiments

   • Dirk Stynen
   • Arnold De Loof

   OriginalPaper Pages: 159 - 162

4. Cyclic nucleotide metabolism during amphibian forelimb regeneration

   • Thomas M. Laz
   • Raymond E. Sicard

   OriginalPaper Pages: 163 - 168

5. Effects of tunicamycin on protein glycosylation and development inVolvox carteri

   • Nurith Kurn
   • Dan Duksin

   OriginalPaper Pages: 169 - 175

6. Pattern of structural differentiation in the optic nerve of trout (Salmo gairdneri)

   • Gunnar Jeserich

   OriginalPaper Pages: 176 - 184

7. Hemoglobin switching in the salamanderPleurodeles waltlii

   • M. Flavin
   • H. Ton That
   • A. M. Duprat

   OriginalPaper Pages: 185 - 190

8. Maternal effects of zygotic mutants affecting early neurogenesis inDrosophila

   • F. Jiménez
   • J. A. Campos-Ortega

   OriginalPaper Pages: 191 - 201

9. Transient recovery from trypsin-caused reduction in fertilizability of sea urchin eggs

   • G. Czihak
   • K. Aketa
   • W. Wolf

   OriginalPaper Pages: 202 - 204

10. Ultrastructural evidence for inhibition of chitin synthesis by nikkomycin

    • Ulrich Schlüter

    Rapid Communication Pages: 205 - 207

11. The presence of an endogenous lectin in early embryos ofXenopus laevis

    • Harriet Lorena Harris
    • Sara E. Zalik

    Rapid Communication Pages: 208 - 210

12. Clonal analysis ofsex-lethal, a gene needed for female sexual development inDrosophila melanogaster

    • Lucas Sánchez
    • Rolf Nöthiger

    Rapid Communication Pages: 211 - 214