1. Transgenic markers for mammalian chimeras

   • James Alexander Thomson
   • Davor Solter

   OriginalPaper Pages: 63 - 65

2. Synthesis and secretion of salivary gland proteins in Drosophila gibberosa during larval and prepupal development

   • Paul David Shirk
   • Paul Alfred Roberts
   • Chee Hark Harn

   OriginalPaper Pages: 66 - 74

3. Developmental analysis of fs(1)gastrulation defective, a dorsal-group gene of Drosophila melanogaster

   • Kenneth D. Konrad
   • Thomas J. Goralski
   • Anthony P. Mahowald

   OriginalPaper Pages: 75 - 91

4. Synthesis of serum proteins by cultured aggregates from endodermal cells of the area opaca of the primitive streak chick embryo

   • E. Anne Darragh
   • Sara E. Zalik

   OriginalPaper Pages: 92 - 100

5. Cellular and molecular markers of anteroposterior and dorsoventral organisation in the vitellogenic follicles of adult Sarcophaga bullata (Diptera) and dorsoventral orientation of follicles in the ovary

   • Johan Geysen
   • Johan Cardoen
   • Arnold De Loof

   OriginalPaper Pages: 101 - 109

6. Contribution of midbody channels to embryogenesis in the mouse

   • Gerald M. Kidder
   • Douglas J. Barron
   • Joanna B. Olmsted

   OriginalPaper Pages: 110 - 114

7. Dominant maternal interactions with Drosophila segmentation genes

   • Hervé Tricoire

   OriginalPaper Pages: 115 - 123

8. Flow cytometric determination of nuclear DNA content during differentiation (spherulation and germination) of the myxomycete Physarum polycephalum

   • I. Lacorre-Arescaldino
   • B. Toublan
   • C. Pastisson

   Short Communication Pages: 124 - 127

9. Announcement

   Announcement Pages: 129 - 129