1. Immunofluorescent localization of collagen types I, III, IV, fibronectin and laminin during morphogenesis of scales and scaleless skin in the chick embryo

   • Annick Mauger
   • Michel Demarchez
   • Philippe Sengel

   OriginalPaper Pages: 205 - 215

2. Duration of cleavage cycles and asymmetry in the direction of cleavage waves prior to gastrulation inXenopus laevis

   • Elze C. Boterenbrood
   • Jennifer M. Narraway
   • Koki Hara

   OriginalPaper Pages: 216 - 221

3. Differential patterns in the temporal experession ofBombyx mori chorion genes

   • Susan Clark Bock
   • David Charles Tiemeier
   • Marian Ruth Goldsmith

   OriginalPaper Pages: 222 - 227

4. Cell fusions during formation of the oocyte-nurse chamber complex in the ovary of the dipteran insectMycophila speyeri

   • Peter Michael Schüpbach
   • Dirk Frederik Went

   OriginalPaper Pages: 228 - 233

5. Influence of a transepithelial NaCl gradient on the moulting cycle, keratinization and active sodium transport of isolated frog skin cultured with or without aldosterone

   • Jean-Pierre Denèfle
   • Henri Goudeau
   • Jean-Pierre Lechaire

   OriginalPaper Pages: 234 - 247

6. Local surface modulation correlated with ooplasmic segregation in eggs ofSabellaria alveolata (annelida, polychaeta)

   • J. E. Speksnijder
   • M. R. Dohmen

   OriginalPaper Pages: 248 - 255

7. Transdifferentiation of putative neuronal cells of neural retina into lens: A demonstration by chick-quail chimeric cultures

   • Hisato Kondoh
   • Shin Takagi
   • T. S. Okada

   OriginalPaper Pages: 256 - 261

8. Dye-coupling between blastomeres in early embryos ofPatella vulgata (mollusca, gastropoda): Its relevance for cell determination

   • Adriaan W. C. Dorresteijn
   • Huibert A. Wagemaker
   • Jo A. M. van den Biggelaar

   OriginalPaper Pages: 262 - 269

9. Three-dimensional fate map of the female genital disc ofDrosophila melanogaster

   • Felix Epper

   OriginalPaper Pages: 270 - 274

10. The evagination of the genital imaginal discs ofDrosophila melanogaster

    • Felix Epper

    OriginalPaper Pages: 275 - 279

11. The evagination of the genital imaginal discs ofDrosophila melanogaster

    • Felix Epper

    OriginalPaper Pages: 280 - 284

12. Cell degeneration and elimination in the imaginal wing disc, caused by the mutationsvestigial andUltravestigial ofDrosophila melanogaster

    • David O'Brochta
    • Peter J. Bryant

    OriginalPaper Pages: 285 - 294

13. Test for intercalary regeneration of the metameric pattern of the leafhopperEuscelis plebejus fall. (homoptera)

    • Otto Vogel

    Rapid Communication Pages: 295 - 298

14. The effect of 5-azacytidine and cytidine analogs onDrosophila melanogaster cells in culture

    • Nicole Bournias-Vardiabasis
    • Carolyn H. Buzin
    • J. G. Reilly

    Rapid Communication Pages: 299 - 302