1. Large scale isolation of nuclei and nucleoli from vitellogenic oocytes of Xenopus laevis

   • Franco Scalenghe
   • Marino Buscaglia
   • Marco Crippa

   OriginalPaper Pages: 299 - 308

2. Lebendbeobachtungen der Chromosomen-Aufregulation bei der Gallmücke Heteropeza pygmaea (Cecidomyiidae, Diptera)

   • Maurizio Zanazzi

   OriginalPaper Pages: 309 - 330

3. Multiple complexes in human spermatocytes

   • Alberto J. Solari
   • Oscar Vilar

   OriginalPaper Pages: 331 - 340

4. Constitutive heterochromatin distribution in monocentric and polycentric chromosomes

   • James H. Ray
   • S. Venketeswaran

   OriginalPaper Pages: 341 - 350

5. Factors involved in differential giemsa-staining of sister chromatids

   • Keiko Goto
   • S. Maeda
   • T. Sugiyama

   OriginalPaper Pages: 351 - 359

6. Chromosome banding in Amphibia

   • M. Schmid

   OriginalPaper Pages: 361 - 388

7. ³H-Actinomycin-D binding to mitotic chromosomes of Drosophila melanogaster

   • S. Pimpinelli
   • G. Santini
   • M. Gatti

   OriginalPaper Pages: 389 - 395

8. Errata

   Erratum Pages: 396 - 396