1. The pattern of proliferation of the neuroblasts in the wild-type embryo of Drosophila melanogaster

   • Volker Hartenstein
   • Eberhard Rudloff
   • Jose A. Campos -Ortega

   OriginalPaper Pages: 473 - 485

2. Absence of sensory input does not affect persistent neurons in Tenebrio molitor metamorphosis (Insecta: Coleoptera)

   • Olaf Breidbach

   OriginalPaper Pages: 486 - 491

3. Cell-surface enrichment of fucosylated glycoconjugates in the 8- to 16-cell mouse embryo

   • Susan J. Kimber
   • Peter R. Bagley

   OriginalPaper Pages: 492 - 498

4. The organizing role of the D quadrant as revealed through the phenomenon of twinning in the polycheate Chætopterus variopedatus

   • Jonathan J. Henry
   • Mark Q. Martindale

   OriginalPaper Pages: 499 - 510

5. Ether-induced segmentation disturbances in Drosophila melanogaster

   • Mae -Wan Ho
   • Alistair Matheson
   • Anna Smallcombe

   OriginalPaper Pages: 511 - 521

6. Rates of juvenile hormone synthesis control caste differentiation in the stingless bee Scaptotrigona postica depilis

   • Klaus H. Hartfelder

   Rapid Communications Pages: 522 - 526

7. Vertebrate insulin induces diapause termination in Pieris brassicae pupae

   • Martine Arpagaus

   Rapid Communications Pages: 527 - 530

8. Changes in acethylcholinesterase activity and total protein in the developing fetal brain

   • David O. Adejumo
   • Gabriel N. Egbunike

   Rapid Communications Pages: 531 - 533

9. Acknowledgement to referees

   Acknowledgments Pages: 535 - 535