1. Laurent Chabry (1855–1893) and the “Age d'or” of biology

   • Jean-Louis Fischer

   Essay Pages: 61 - 61

2. Spatial and temporal expression of an Antennapedia/lac Z gene construct integrated into the endogenous Antennapedia gene of Drosophila melanogaster

   • Ylva Engström
   • Stephan Schneuwly
   • Walter Jakob Gehring

   Original Articles Pages: 65 - 80

3. Developmental potential for tissue differentiation of fully dissociated cells of the ascidian embryo

   • Hiroki Nishida

   Original Articles Pages: 81 - 87

4. Cell lineage of flight muscle fibers in Drosophila: a fate map of the induced shibire phenotype in mosaics

   • Margaret Raper Hummon
   • Walter J. Costello

   Original Articles Pages: 88 - 94

5. Analysis of pattern formation during embryonic development of Hydractinia echinata

   • Michael Kroiher
   • Günter Plickert

   Original Articles Pages: 95 - 104

6. Gradual acquisition of the developmental capacity to differentiate adult structures by the genital disc of Drosophila melanogaster

   • Lucas Sánchez
   • Begoña Granadino

   Original Articles Pages: 105 - 112

7. Isolation and developmental expression of an oogenesis-specific Xenopus cDNA clone

   • Sophie Vriz
   • Yannick Andéol
   • Marcel Méchali

   Original Articles Pages: 113 - 119

8. The expression of PS integrins in Drosophila melanogaster imaginal disc cell lines

   • David John Peel
   • Martin John Milner

   Short Communication Pages: 120 - 123