1. Letter to Subscribers

   EditorialNotes Pages: A3 - A3

2. Histone genes are located at the sphere loci of newt lampbrush chromosomes

   • Joseph G. Gall
   • Edwin C. Stephenson
   • Giuseppina Barsacchi-Pilone

   OriginalPaper Pages: 159 - 171

3. Cytogenetic and genetic mapping of a salivary gland secretion protein in Drosophila melanogaster

   • V. Velissariou
   • M. Ashburner

   OriginalPaper Pages: 173 - 185

4. Evolution of muntjac DNA

   • J. Schmidtke
   • H. Brennecke
   • K. Sperling

   OriginalPaper Pages: 187 - 193

5. Interstrain heterochromatin polymorphisms in Drosophila melanogaster

   • Carlotta Halfer

   OriginalPaper Pages: 195 - 206

6. Cytogenetic analysis of the 2B3-4-2B11 Region of the X chromosome of Drosophila melanogaster

   • E. S. Belyaeva
   • I. E. Vlassova
   • I. F. Zhimulev

   OriginalPaper Pages: 207 - 219

7. The double-stranded DNA replication intermediates formed in Chironomus polytene chromosomes consist of two populations

   • Ulf Lönn

   OriginalPaper Pages: 221 - 229

8. The distribution of SCEs within and between the genomes of an interspecific hybrid

   • Peter Sharp
   • David Hayman

   OriginalPaper Pages: 231 - 242

9. Methyl methane-sulphonate (MMS) induced SCEs are reduced by the BrdU used to visualise them

   • C. H. Ockey

   OriginalPaper Pages: 243 - 256

10. Selective differential staining of sister chromatids of the facultative heterochromatic X chromosome in the female mouse

    • N. Kanda

    OriginalPaper Pages: 257 - 263

11. Two repeated DNA sequences from the heterochromatic regions of rye (Secale cereale) chromosomes

    • R. Appels
    • E. S. Dennis
    • W. J. Peacock

    OriginalPaper Pages: 265 - 277

12. Different chromatin structures in Physarum polycephalum

    • Ulrich Scheer
    • Hanswalter Zentgraf
    • Helmut W. Sauer

    OriginalPaper Pages: 279 - 290

13. Chromosome evolution in the Gibasis linearis alliance (Commelinaceae)

    • A. Kenton

    OriginalPaper Pages: 291 - 304