1. Tracheole migration in an insect wing

   • James B. Nardi

   OriginalPaper Pages: 1 - 8

2. Structure-activity relationship of retinoids on the differentiation of cultured chick foot skin

   • Andreas Kistler

   OriginalPaper Pages: 9 - 17

3. A flow fluorimetric analysis of the cell cycle during growth and differentiation inDictyostelium discoideum

   • Antony J. Durston
   • Cornelis J. Weijer
   • Willem Te Kulve

   OriginalPaper Pages: 18 - 24

4. Inhibition of protein synthesis in a polyribosome-dependent cell-free system by a specific ribonuclease prepared from the follicles of two different stages of development of the silkmothAntherea pernyi

   • Emmanuel G. Fragoulis
   • Peter Traub

   OriginalPaper Pages: 25 - 31

5. The ventral nerve cord signals positional information during segment formation in an annelid (Ophryotrocha puerilis, Polychaeta)

   • Hans-Dieter Pfannenstiel

   OriginalPaper Pages: 32 - 36

6. Immunocytochemical and electrophoretic studies on the localization of the major haemolymph proteins (ceratitins) inCeratitis capitata during development

   • Argyris Demetrius Kaliafas
   • Vassilis John Marmaras
   • Constantin Christodoulou

   OriginalPaper Pages: 37 - 43

7. Intracellular calcium mobilization on stimulation of the muscarinic cholinergic receptor in chick limb bud cells

   • Heinrich Schmidt
   • Günter Oettling
   • Ulrich Drews

   OriginalPaper Pages: 44 - 49

8. Developmental age-related cell sorting inDictyostelium discoideum

   • Sue Ann McDonald

   Rapid Communications Pages: 50 - 52

9. The effects of histones H1^o, H5 and HMG proteins on cell division of cultured murine erythroleukemia cells

   • Ronald Richman
   • Keith Gooderham
   • Reed Flickinger

   Rapid Communications Pages: 53 - 55

10. Hydra pattern is controlled by two distinct but interacting morphogen sets

    • Somdatta Sinha
    • Sivatosh Mookerjee

    Rapid Communications Pages: 56 - 60