1. Forelimb regeneration from different levels of amputation in the newt,Notophthalmus viridescens: Length, rate, and stages

   • Laurie E. Iten
   • Susan V. Bryant

   OriginalPaper Pages: 263 - 282

2. The ultrastructure of amphibian ectoderm treated with an inductor or actinomycin D

   • Horst Grunz

   OriginalPaper Pages: 283 - 293

3. Regulation der Nematocyten-Produktion beiHydra attenuata Pall

   • Adrian Zumstein

   OriginalPaper Pages: 294 - 318

4. The formation of the mesoderm in urodelean amphibians

   • E. C. Boterenbrood
   • P. D. Nieuwkoop

   OriginalPaper Pages: 319 - 332

5. Differentiation capacities of imaginal disks of the mutantlethal-polyploid (lpl) inDrosophila hydei

   • E. Rungger-Brändle
   • J. P. van Dijk

   OriginalPaper Pages: 333 - 345

6. Developmental studies inDrosophila

   • Nicole Pasteur
   • Costas D. Kastritsis

   OriginalPaper Pages: 346 - 354